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1. Cancel Tloss Sed In Sed Out Sedconc Orgn_In Orgn Out Orgp_In a ww Oe SH Mm Om A a om Orgp_Out Figure 13 54 Map Chart Default Scenario Vanable s Map the first Times Map the first Charting T able Subbasir l Cancel Help 0 A w Aa N A w w Figure 13 55 For each output file there are three plotting parameters that must be defined Subbasin Variable s and Time s Only one subbasin may be selected Multiple variables and or times may be selected by holding down the Shift key while clicking the parameters of choice Once all plotting parameters are set click OK A graph will be displayed If subbasin output or the Delivery Output Table are being plotted a map of the watershed will be produced showing values for the first variable type selected in the list of variables and for the first time period selected in the list of output times Figures 13 56 259 J mew owat ANS WAT 21 Bk Edi Iele Fili window Hep a Oe gde m ARE 275 selected dal IOO TRTB9S 122450 4TZEBBL 150 E BERRA 57899 1224180 4EA5AE 130 041 i Bi PSs ee ee aea id ls SMB SASS 25M aai S T 1S S59 SASS 2S Sago AENT S11305 BES SSH 57999 1224600 40109 144 873 A 1905 Gogh ra AA 46 EJE 1E3140 HO 1305 BES T SPAS EA EE E T ETSE E H 11 1995 55598 SPAS 1223456 BO 1850 121199 EASi NaS 1I34TTi 43
2. W Tempgages write HAU General Data hru Ctrl G a Write Main Channel Data rte Ctrl H 4 Raingages Write Groundwater Data gw Ctrl l Write Water Use Data wus Ctrl y Subbasins Write Management Data rat Ctrl k Wite Soil Chemical D ata chm Crl L AS Write Pond Data pnd Ctrl M Write Stream Water Quality Data sig Chrl N 4f SoilClass EEN T27 Figure 8 13 a To write SWAT input databases individually begin by selecting the Write Configuration File fig command from the Input menu or press Ctrl C This selection generates the watershed configuration file see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 2 and Appendix B When the file has been written a message box will pop up Figure 8 14 i Completed the fig file Figure 8 14 Click OK to proceed 141 b From the Input menu select Write Soil Data sol or press Ctrl D This selection generates the HRU soil data see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 22 When the data files have been written a message box will pop up Figure 8 15 Info x i Completed the sol files Figure 8 15 Click OK to proceed c From the Input menu select Write Weather Generator Data wgn or press Ctr1l E This selection generates the subbasin weather generator data see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 13 When the data files have been wri
3. fe TMP C PRW Jan 3000 Jul 2000 C TMPMN C PR W2 Fe 3000 Auf 3000 C TMFSTDM C PEFD Ma 3000 Sep 3000 TMPSTDMN C RAINHH Mes Ap 2000 Oct f 3000 PCPMM SOLARA May 3000 Now 3000 C POPSTD Saal lun 2000 eof 20 00 PCPSKW WwNDAM Figure 14 22 c At this point the user may type the necessary data into the different fields The fields for monthly parameters are not displayed until the radio button to the left of a parameter name is clicked A unique name must be given to the station the name can include numbers but must begin with a letter d Once the weather station data is entered click the button labeled Save Save Cancel to store the data or click the Cancel button to exit the editor without saving e The user is returned to the original User Weather Station dialog box If the station data was saved the list of weather stations in the database will include the name of the weather station just added 274 To load weather station data from a file a Click the button labeled Load wgn on the User Weather Station dialog box b A prompt box will appear warning the user of potential problems if the wgn file to be loaded is not in the correct format Figure 14 23 Figure 14 23 To proceed with the load click Yes To abandon the load operation click No c A browser will be displayed if the user selects Yes Figure 14 24 Specify File A hartford wgn J map
4. mm z Figure 12 35 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the shift key while highlighting the subbasin numbers Specify in the Landuses section of the dialog box the landuse type s within the specified subbasins to which the groundwater data will be copied Select the button labeled with the name of the original landuse other additional landuses When the Selected button is active a list of landuses will be displayed Figure 12 36 f Selected Figure 12 36 Highlight the landuse s to which you would like the data to be copied from the new enabled list by clicking on the landuse code To select 195 more than one landuse hold down the Shift key while highlighting the landuse codes Specify in the Soils section of the dialog box the soil type s available for the specified subbasins landuse s to which the groundwater data will be copied Select the button labeled with the name of the original soil EAS to copy the groundwater data only in the HRUs with this other additional soil types When the Selected button is active a list of soil types will be displayed Figure 12 37 Selected Figure 12 37 Highlight the soil type s to which you would like the data to be copied from the new enabled list by clicking on the soil type code To select more than one
5. Figure 6 18 103 Industrial gt UDU Institutional UNS Residential High Density URHD Residential Low Density gt URLO Residential Med Low Density gt URML Residential hedium Density JAMD Transportation UTR ie y T Te L s Figure 6 19 Tip Prior to loading the land use map in a project edit the SWAT Land use Plant Growth or Urban data base see section 14 to add any new types of land cover required for the land use map reclassification scroll down the list and highlight the land cover code for the map category by clicking on it Click OK or double click the selection The SWAT land cover or urban code will be displayed next to the corresponding land use map category in the Definition of Land Use and Soil Themes dialog box Figure 6 20 J Definition of LandUse and Soil Themes d avewal T newcs watershedgnds LusGre E Value E Value Areal Landl seS wat i L Sine e S flame Eor Figure 6 20 104 e Repeat these steps until all LanduseSWAT codes are defined Assign land cover plant codes using a look up table a To load a look up table select the land use look up table by clicking on the button labeled Look up table Grid Values gt Land cover classes Lookup Table Grid Values gt Land cover classes b Adialog box will be displayed Figure 6 21 ey Table Grid Values gt Land cover classes SWAT land coverplant codes table Built
6. Watershed Delineation DEM ch aera c eS d basins datastutoralsiwatexample dem Properties W Focusing watershed area option d basins datastutorial watershedsbetastyqr Mask grid if Burr in option d basins Sdatastutoriah watershed betast Digitized streams Preprocessing of the Dem to remove sinks Apply Stream definitior Threshold Area 00 ha gt Number of cells Fro blin 25 0295 Suggested around BOO Apply Max 10011 8 Outlet and inlet definition hd Table SI ee eji Add by table f inet Outlet Sdd Remove Badatina Main Watershed outlet s selection and definitio Whole Watershed outlet s Calculation of subbasin parameters Apply Select Undo Aessen Add Remove Current number of outletssubbasins 4 Help Minimize Figure 5 1 The dialog is divided into five sections DEM Setup Stream Definition Outlet and Inlet Definition Main Watershed Outlet s Selection and Definition and Reservoirs 62 SECTION 5 2 DEM SETUP 1 The DEM Setup section is shown in Figure 5 2 DEM Set Up Dem ond d basins data stutorialswatexamplexdem Properties iV Focusing watershed area option a d basins data tutorialwatershedsbeta gl Mask grid if Bumin option dd basinsdata tutorial watershed betachsh Digitized streams Preprocessing of the Dem to remove sinks Apply Figure 5 2 One bu
7. If no inlet sources are defined in the watershed See Section 5 a dialog box notifies the user Figure 10 3 154 Figure 10 3 The Edit Inlet Discharges Inputs dialog pops up Figure 10 4 if at least one inlet discharge was set in the watershed See Section 5 lt Edit Inlet Discharges Inputs x Figure 10 4 All subbasins into which inlet discharges drain will be listed To edit the inlet discharges data associated with a subbasin click on the number of the subbasin on the list The Inlet Discharges data dialog box will open displaying the data for the inlet discharge associated with the selected subbasin Figure 10 5 155 ay Inlet Discharges data Subbasin 4 Constant C Annual Records Co Monthly Recorde Daily Records Constant Daily Loading o_a o4e qe cr Water Flow 0 000 m3 Sediment 0 000 ton Organic Nitrogen 0 000 kg Organic Phosphorus o ooo kal Nitrate NO3 0 000 kg Mineral soluble Phosphorus gogoo kal Ammonia MH gogog ka itrite N02 oooo ka Conservative Metal 1 ogogo ka LConservatrve Metal 2 ooog fka Conservative Metal 3 0 000 kg Persistent Bacteria ooga Bact 100ml Less Persistent Bactena gogog H Bact 00ml PERRE RRRRRER venge annual neti ime le Mintel Daily loadings L ailp Loadings Senco Figure 10 5 Inlet discharge data may be summarized in one of four fo
8. Qe a ies Figure 15 19 Eek ela peel SOT I Berke eve Dasa Ya gg Ee Ed wee Dee die Daie Ginhior Mido dawai Helo w eed E e a E Figure 15 20 325 For the example project set the threshold area to 1000 Once the proper area is displayed in the text field next to Threshold Area click Apply 15 The stream network will be displayed upon completion of the calculations Figure 15 20 Subbasin outlets defined by the junction of two streams are denoted on the network by blue dots The user may modify the number of subbasin outlets manually or by importing an Avenue database dbf table containing outlet location coordinates Points added via the table or manually will be snapped to the closest point on the delineated stream channels 16 A table of locations where nutrient data was collected has been included in the example data set To load the table first verify that the Outlet radio button is selected Mt Sutllet Then click next to the text field labeled Table on the Watershed Delineation dialog box 17 A browser will be displayed Figure 15 21 lt 2 Table of locations File Hame Directories nik nutrient dbf d Vavswat Sayvsimatdb example hop4pcp dbf F gt dA Cancel luc dbf gt avewal7 IO O nutrient dbf gt avewatdb Py pcpfork dbf ge example fA sail dbf C amask FA strilow dbt C dem Py trp 2902 dbf C info PL tmo 4483 dbf x a_landuse x L
9. Selected Figure 12 72 Highlight the landuse s to which you would like the data to be copied from the new enabled list by clicking on the landuse code To select more than one landuse hold down the Shift key while highlighting the landuse codes Specify in the Soils section of the dialog box the soil type s available for the specified subbasins landuse s to which the management data will be copied Select the button labeled with the name of the original ee ee other additional soil types When the Selected button is active a list of soil types will be displayed Figure 12 73 i Selected Figure 12 73 Highlight the soil type s to which you would like the data to be copied from the new enabled list by clicking on the soil type code To select more than one soil type hold down the Shift key while highlighting the soil type codes Once you have made all your selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 216 SECTION 12 9 EDIT SOIL CHEMICAL INPUT DATA CHM 1 3 Click Chm in the Select Input File list of the Edit Subbasin Inputs dialog box Soil chemical parameters are displayed in a new dialog box titled Chm Subbasin _Landuse type_Soil name Figure 12 74 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 23 Chm 5_FRSD_PA022 Sail
10. RNGE UREN E WATR af Outlets amp Linking strear Figure 15 37 2 The Weather Data dialog box will be displayed Figure 15 38 336 Fima date Eos Al nated ots M gidin F Smrudahon r Fanaa r Solegagec Tama oaks Waj Epse debe e E piniis D Ciis stations Mo windgege Fa UE daka E m rrise ni daskama D Fial Hurray gagan Hap Clara Figure 15 38 The example data set contains data files with measured precipitation and temperature for weather stations around the watershed To load the table containing the locations of the rain gage stations click the radio button next to Raingages in the section of the dialog box labeled Rainfall data A text box will appear at the bottom of the Rainfall data section Click beside the text field A browser will be displayed Click the name of the rain gage location table ocpfork db then click OK The locations of the rain gages will be displayed as squares Figure Figure 15 39 To load the table containing the locations of the temperature gage stations click the radio button next to Climate stations in the section of the dialog box labeled Temperature data 337 A text box will appear at the bottom of the Temperature data section Click beside the text field A browser will appear Click the name of the climate station location table tmpfork dbf and then click OK The locations of the temperature gages will be displayed as triangles 5 For
11. dBASE d Figure 9 9 iv Select the file and click OK or double click the selection Average monthly daily loadings If the point source loadings are to be input as average daily loadings summarized on a monthly basis verify that the radio button labeled Monthly Records Month Records is selected The Average Monthly Daily Loadings section of the dialog box is now enabled Figure 9 10 Average Monthly Daly Loadings Figure 9 10 This option requires the user to Summarize average daily loadings by month see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 31 Prior to creating the project a data table should be set up following the format specified for Monthly Loadings in Section 3 3 i Click on the open file folder button rar the left of the text box ii A prompt box will appear so that the user can specify the format of the file containing the monthly point source loadings Figure 9 11 Select dBASE dbf or text file txt and click OK 150 F 3 Average Monthly Daily Loadings dbf tile string fields bet file comma delimited Figure 9 11 iii A browser will be displayed allowing the user to select the dBASE file dbf or text file txt file containing the point source data from disk Figure 9 12 2 Average Monthly Daily Loadings hopUpep dbf hop pcp dbf hopepcp dbf hop 3pcp dbf hop4ocp dbf luc dbf nutrient dbf Figure 9
12. within the specified subbasins to which the soil data will be copied Select the button labeled with the name of the original landuse landuses When the Selected button is active a list of landuses will be displayed Figure 12 10 176 i Selected Figure 12 10 Highlight the landuse s to which you would like the data to be copied from the new enabled list by clicking on the landuse code To select more than one landuse hold down the Shift key while highlighting the landuse codes Specify in the Soils section of the dialog box the soil type s available for the specified subbasins landuse s to which the soil data will be copied Select the button labeled with the name of the original soil soil types When the Selected button is active a list of soil types will be displayed Figure 12 11 Selected Figure 12 11 Highlight the soil type s to which you would like the data to be copied from the new enabled list by clicking on the soil type code To select more than one soil type hold down the Shift key while highlighting the soil type codes Tip Although the option to copy soil data to selected soil types is provided you are strongly discouraged from using this option Overwriting soil data of one soil series with that from a different soil series defeats the purpose of using the interface to analyze the soil and land use distribution 177 iv Once you have made all your selections click OK The
13. 26 Solar Radiation Data Table dBase or ASCII The solar radiation data table is used to store the total daily amounts of solar radiation reaching the ground that are recorded at a specific weather station This table is required if the Solargages option is chosen for solar radiation in the weather data dialog box There will be one solar radiation data table for every location listed in the solar radiation location table The name of the solar radiation data table is name dbf or hame txt where name is the character string entered for NAME in the solar radiation gage location table This table may be formatted as a dBase table or as a comma delimited text table dBase Table Format 2 fields Field format DATE date mmdd Day of measure floating point f8 3 Daily solar radiation MJ m da ASCII txt Table Format Field format yyyymmdd string Starting day of data All other lines floating point f8 3 string number Daily solar radiation MJ m day The daily records must be listed in sequential order The solar radiation data tables must be placed in the User Data directory see Section 4 1 8 27 Wind Speed Data Table dBase or ASCII The wind speed data table is used to store the average daily wind speeds recorded at a specific weather station This table is required if the Windgages option is chosen for wind speed data in the weather data dialog box There will be one wind speed dat
14. Figure 12 80 220 a If you do not want to copy the edited soil chemical data to other data sets click No The changes will have been saved for the individual HRU and no others b If you wish to copy the edited soil chemical data to other data sets proceed as follows Specify in the Subbasins section of the dialog box the subbasins to which the edited soil chemical data will be copied Select the All All button to copy to all the subbasins If the changes are to be copied to only certain subbasins click the Selected Selected button to specify the subbasins When the Selected button is active a list of subbasins will be displayed Figure 12 81 Selected Figure 12 81 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the Shift key while highlighting the subbasin numbers Specify in the Landuses section of the dialog box the landuse type s within the specified subbasins to which the soil chemical data will be copied Select the button labeled with the name of the original landuse other additional landuses When the Selected button is active a list of landuses will be displayed Figure 12 82 221 i Selected Figure 12 82 Highlight the landuse s to which you would like the data to be copied from the new enabled list by clicking on the landuse code To select
15. Figure 6 53 3 The dialog box has two radio buttons Dominant Land Use and Soil and Multiple Hydrologic Response Units The user must select the button for the method used to create HRUs a The Dominant Land Use and Soil option will create one HRU for each subbasin The dominant land use and soil class in the subbasin are simulated in the HRU To activate this option select the radio button f Dominant Land Use and Soil b The Multiple Hydrologic Response Units option will create multiple HRUs within each subbasin To activate this option select the radio button Two slide bars are now visible Figure 6 54 Land Use 2 over Subbasin Area 0 4 0 30 0552 Soll Clase 2 over Land Use Area H aier 0 100 Figure 6 54 122 Note The creation of multiple HRUs is a two step process First land uses are chosen Once the land uses to be modeled are determined the different soils for each land use are chosen One HRU is created for each unique land use soil combination The first scale controls the threshold level used to eliminate minor land uses in each subbasin Land uses that cover a percentage of the subbasin area less than the threshold level are eliminated After the elimination process the area of the remaining land uses is reapportioned so that 100 of the land area in the subbasin is modeled For example assume there is a subbasin that contains e 935 agricultural land in corn e 30 pasture e 2
16. LFS LFS SCL SAND 65 89 zoil weight FROCK 1 35 vol SOL_ALB 1 06 fraction USLE_EK 0 17 0013 tr hrima t cemn SOL_EC 1 00 d5 7m Up 1 Down Layer Save Cancel Help Figure 14 12 d Enter a new soil name and modify the other data fields e Click Save to store the modified soil data or Cancel to exit the editor without saving To delete a soil dataset a From the User Soils dialog box click the name of the soil to be deleted b The dialog box will be modified to display the soil data Click the button Delete labeled Delete at the bottom of the dialog box c A prompt box will appear requesting the user to verify the delete Figure 14 13 Delete Soil Gd Do you want to remove the Soll named Sample 7 Figure 14 13 To continue with the delete process click Yes To abandon the delete process click No To exit the User Soils database Exit a From the User Soils dialog box click Exit w 269 SECTION 14 2 USER WEATHER STATIONS DATABASE To edit the User Weather Station Database 1 Double click User Weather Stations on the list of databases Figure 14 14 Q Edit SWAT databases For editing double click on the data base name User Soils Land CoverPlant Growth Fertilizer Pesticide Tillage Urban Figure 14 14 2 The User Weather Stations dialog box will be displayed Figure 14 15 amp User Weather Stations User Defin
17. The Reservoir data dialog box allows the user to enter edit reservoir parameters related to the water sediment nutrient and pesticide processes occurring in the reservoir a Reservoir data The variable names listed in the Reservoir data dialog box are defined in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 29 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameter is shown To edit a parameter activate the text box adjacent to the variable name by clicking on it Enter and or edit the text value You can move to the next parameter by pressing the TAB key lf the current value of the parameter is out of range a message box like the one in Figure 11 6 appears 164 Check RESEYOL Figure 11 6 Click OK The parameter is reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation diravswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng
18. ees Figure 6 2 96 The dialog is divided into two main sections Land Use data layer and Soil data layer SECTION 6 1 2 LAND USE DATA LAYER Define Land Use Land Cover theme 1 Select the land use data layer by clicking the button next to the text box labeled Land Use Grid A dialog box labeled Set the LandUse Grid will appear Figure 6 3 lt 2 Set the Landuse grid Options Select Landuse themele from Watershed View a Cancel Load Landuse themes s from disk Figure 6 3 2 If the land use theme is already displayed in the Watershed View highlight Select Landuse theme s from Watershed View If the land use theme is not displayed highlight Load Landuse theme s from disk Click OK 3 A new dialog is displayed for the user to define the type of theme being used Figure 6 4 Select either Shape or Grid from the drop down menu and click OK 2 Select theme s from Disk Figure 6 4 97 a If you selected the Shape option i If loading from the Watershed View a dialog is displayed Figure 6 5 showing the list of shape themes F J Select from Watershed View Statsgo shp Subbasing Watershed Figure 6 5 select one or more themes hold down the Shift key for a multiple selection and click OK The shape file s will be automatically converted to grid and merged for a multiple selection ii If loading from disk a file browser pops up Figure 6 6 J Select shape
19. lf the Calibration Tool was used and the model did run a calibration scenario see next section a dialog pops up Figure 13 33 a R ead Results Pere Pere ee eee eee eee eee eee eee eee eee eee eee eee eee eee eee eee eee eee eee eee eee a cnariay scenaro Figure 13 33 A drop down control lists the current default output item and any calibration scenario Click Cancel to abort the reading To continue select one of the scenarios and click OK to load the SWAT output for the selected simulation Figure 13 34 247 mm m ara miar a PREREECCCE g TE i i Ba b m m Ns F ia ha el ce ed p mad eA Eat Lat m ar Bt iar Pip ome beb bl 1 i ne Figure 13 34 2 The output tables can be exported or analyzed in the interface with the Map Chart tool under the Reports menu see Section 13 5 or outside of the interface using standard ArcView mapping graphing features SECTION 13 3 CALIBRATION TOOL The third command in the Simulation menu allows the user to perform global changes on input parameters that are commonly modified during the calibration process 1 Select Calibration Tool from the Simulation menu or press Cmd c Figure 13 35 newl swat AYSWAT 2000 Blackland Research Center Yer 1 0 Ele Edt Miew Bene Input Edit Input SEMEL Reports window Help e A Cun SWAT EA Pendine Cmd B Calibratio n Tool Crni dC Make Delivered Load
20. ARCVIEW INTERFACE FOR SWAT2000 USER S GUIDE M Di Luzio R SRINIVASAN J G ARNOLD S L NEITSCH 2002 BLACKLAND RESEARCH amp EXTENSION CENTER TEXAS AGRICULTURAL EXPERIMENT STATION 720 EAST BLACKLAND ROAD o TEMPLE TEXAS 76502 GRASSLAND SOIL AND WATER RESEARCH LABORATORY USDA AGRICULTURAL RESEARCH SERVICE 808 EAST BLACKLAND ROAD o TEMPLE TEXAS 76502 Blackland Research and Extension Center Temple Texas BRC Report 02 07 Grassland Soil amp Water Research Laboratory Temple Texas GSWRL Report 02 03 Published 2002 by Texas Water Resources Institute College Station Texas TWRI Report TR 193 CONTENTS Section 1 Introduction Section 2 Installing the ArcView Interface Section 3 Preparing ArcView Input 3 1 Required ArcView Map Themes 3 2 Optional ArcView Map Themes 3 3 ArcView Tables and Text Files Section 4 Start ArcView Interface 4 1 Main Interface Commands 1 1 New Project Open Project Copy Import Project Delete Project Exit ArcView Edit SWAT Databases Save Current Project Environmental Variables 9 Return to Current Project 4 2 Project Views 4 2 1 The Avswat Menu 4 2 2 The Input Menu 4 2 3 The Edit Input Menu 4 2 4 The Simulation Menu 4 2 5 The Reports Menu 4 3 Pop Up Menu RARRARARARARAR St Re A RY eR SR Ry oo NDU AWK Section 5 Watershed Delineation 5 1 Watershed Delineation Dialog Box 5 2 DEM Setup 5 3 Stream Definition 5 4 Outlet and Inlet Definition
21. BIO_MIN Bl tlles 66 00 E a 1 00 f Schedule by Date Schedule by Heat Units Month Day Year Operation Crop Plant begin growing seasor CORN Fertilizer application CORN Pesticide application CORN Harvest and kill operation CORN Tillage operation SOB Add Year J yg meea July g i September 1 Add Operation Delete Operation January 1 1 1 1 2 2 Flant begin growing seasor March j Edit Operation Help Cancel OK 1 Figure 12 42 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown Two types of management data are displayed in the dialog box general information and operation specific information Figure 12 42 displays the first page of the management editor which contains general management information the current operations schedule and controls to modify the management operation scenario a General management information is displayed in the middle section of the dialog box To edit this information activate a parameter text box by 200 clicking on it Type the desired value in the text box You can move to the next parameter by pressing the TAB key The initial curve number for the management scenario may be entered by typing in the text box or by selecting a value from the curve number table To access the curve number t
22. C Selected subbasing Figure 12 92 a If you do not want to copy the edited stream water quality data to other data sets click No The changes will have been saved for the individual subbasin and no others b If you wish to copy the edited stream water quality data to other data sets proceed as follows 229 In the dialog box specify the subbasins to which the edited stream water quality data will be copied Select the All the subbasins 4llthe subbasins button to copy to all subbasins in the watershed If the changes are to be copied to only certain subbasins click the Selected subbasins PRIECIEO SUDDaSINE button to choose the subbasins When the Selected subbasins button is active a list of subbasins will be displayed Figure 12 93 f Selected subbasing Ie bd Figure 12 93 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the shift key while highlighting the subbasin numbers 6 Once you have made all selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 230 SECTION 13 SWAT OUTPUT The Simulation menu is one of four new menus introduced in the SWAT View The Simulation menu allows you to finalize the set up of input for the SWAT model and run the SWAT model read the results of the simulation and bu
23. Click the Save Scenario button A prompt box will appear Figure 12 65 Hew Scenario Name Enter new scenario name ON Cancel Figure 12 65 Enter a name for the scenario and click OK or click Cancel to terminate the save lf the current management operations were loaded from a scenario a message box is displayed Figure 12 66 that gives the user the option to update the original scenario or to save the scenario under another name Overante comsoy Scenario 2 Do you want to overwrite this scenario Figure 12 66 Click Yes to update the original scenario or No to create a new scenario Note The scenarios saved by the user are available for use in the current project as well as other projects 212 To load a scenario a Click the Load Scenario 1239 5cernana button b A prompt box will appear Figure 12 67 2 Scenario List Select Scenario comso r Lancel natwe prairie Figure 12 67 c All scenarios stored in the database are listed Select one scenario by clicking on it The scenario name will be displayed in the text box Click OK to continue with the load or click Cancel to terminate the load d The existing management operation list will be deleted and replaced with the list of operations for the scenario To delete a scenario a Click the Delete Scenario Ze Scenaro button b A message box will appear Figure 12 68 Delete current Scenario G
24. File Marne Directories cK d avewal Vavewatdb example Fy hopOpep dbt GS dA Cancel FA hop pep db gt avewal7 fA hop pcp dbf F avzwatdb FA hop pcp dbf ge eramplel A hop4pcp dbt C amask A luc dbf 4 dem A nutrient dbf C info FA ocofork dbf M landuse kd List Files of Type Drives dBASE d Figure 6 46 117 Note Information on the soil classification or look up table format ABASE and ASCII is provided in section 3 e Highlight the name of the look up table and click OK f The interface will insert soil joining attribute codes from the table into the list box Figure 6 47 rw han md re tt i vied Lisliabaaiied Figure 6 47 7 Once the joining attribute codes have been assianed to all map categories the Reclassify button will be enabled Click the t button 8 A new theme named SoilClass will be displayed in the Watershed View Figure 6 EAE A nme maal AS WAT al Flas xh ond Anz a VC erie Ser 10 SNS er me r ate 48 et Manually added Duit w Beane Pers Ta Figure 6 48 118 9 The soil data layer is now loaded SECTION 6 1 4 OVERLAY OF LANDUSE AND SOIL MAPS Overlay 1 When both the landuse and soil grids are reclassified the oOo w button is enabled Click the Overlay button Note If LandUseSwatis set to NOCL for any landuse map category a message box will be displayed requesting the user to redefine Land
25. Fr Wi ea gages Subbasing data k il Tempgages L Figure 12 1 The fifth item of the Edit Input menu allows the user to edit land area channel pond wetland and groundwater parameters inputs Select the Subbasins data command on the Edit Input menu or press Ctr1 4 Figure 12 2 This item is enabled only once the default Soil data is created see Section 8 newl swat AYSWAT Z000 Blackland Research Center Yer 1 0 Eile Edit a Theme nput Simulation Reports ae Help SEE iE Chrl 0 ke BE Point Source Discharges Crl 1 ae i ee eee Inlet Discharges Ctrl 2 te SWAT View Cta al Weagages ay Reservas Subbasing data yi Tempgages Figure 12 2 The Edit Subbasins Inputs dialog box is displayed Figure 12 3 171 2 Edit Subbasin Inputs Select Subbasin Select LandUse Select Sail a a FAST AGRL Figure 12 3 This dialog box is designed to facilitate the navigation and editing of the SWAT input data related to subbasins and HRUs The dialog box contains four lists subbasins landuses soil types and input files The input files extensions listed in the input file list are extensions given to the ASCII files required to run the SWAT model Descriptions of the parameters contained in each of these files can be found in the Soil and Water Assessment Tool User s Manual Version 2000 When a subbasin is selected the landuses and soil types present within the Subbasin appear in the adjacent
26. MGT_OP Pesticide application Month March Day 1 PESTID 2 Plus 2 t PST_KG O 000 Help Save Figure 12 52 206 amp Add Operation MGT_OP Tillage operation Month March Dap 1 x TILL4GE_ID BED ROLLER 4 ROW Y CNOP U 000 Cure Figure 12 53 amp Add Operation MGT_OP Harvest only operation Month March Day 1 HIOA 0 000 HARE FF 0 000 Figure 12 54 lt 2 Add Operation MGT_OP Grazing operation Month March Day 1 IGFTYF Beet Fresh Manure BMT AMP 0 000 EMEAT 0 000 NDGAAZ T wMANORE 0 000 Help Saye Figure 12 55 207 amp Add Operation MGT_OP Auto inigation initialization Month March Day 1 AUTOWS TR O90 Help Cancel Saye Figure 12 56 amp Add Operation MGT_OP Auto fertilization initialization Month January Day FERTID 00 06 00 Uw AUTONSTA 0 000 AUTO_EFF 0 000 AUTONMES 0 001 AFRT_LY1 0 000 AUTON MA 0 000 Help Cancel Saye Figure 12 57 lt 2 Add Operation MGT_OP Harvest and kill operation Month January Day fi mae O00 Ta Help Cancel Saye Figure 12 58 208 Add Operation January E Figure 12 59 V Add Operation January E Figure 12 60 Add Operation Figure 12 61 209 Note When adding editing a plant operation a drop down ist allows the user to select a land cover plant from the SWAT plant g
27. b Point Source of Discharges i If the mouse cursor was located outside the watershed when right clicked a message box will be displayed Figure 4 24 Figure 4 24 Click OK to proceed ii If the mouse cursor was located over a subbasin with no point discharges when right clicked a message box will notify the user Figure 4 25 55 Point Discharges a There are not Point Discharges draining into the subbasin 4 Figure 4 25 Click OK to proceed iii If the mouse cursor was located over a subbasin with point discharges when right clicked a dialog box will display the subbasin point source input values Figure 4 26 Edit Point Discharges Inputs Subbasin 13 i i Ca repens ratte ings Amia Recond C Monthy Aecods Dah Recods Wale Flow E Sedmeni jior Ciganic Hilogen ka Chganic Phosphore ikg Mirate M13 ka Hingal eauble Phosphone iko Ammonia NHJ ika Hitis NO2 ika Conmervaove Helal HT ikg Cormarvative kalal H2 kal Corea Helal Hd ikg Persian Bsctena H barir 00m bess Faisean Bactena H baci Dna aeea eria er e Gabe Figure 4 26 This is the same dialog box that is accessed by clicking Point Source Discharges under the Edit Input menu See Section 9 for more information about the dialog box c Inlet Discharges i If the mouse cursor was located outside the watershed when right clicked a message box will notify the user Figure 4 27 Figure 4 27 5
28. ee ERSA Penman Monteith method Mixed exponential Hargreaves method C Read in Crack flowy Channel water routing method Channel dimensions Stream Wate Lake Water G Maadi Variable Storage Ch aie Quality Processes Quality Processes Not Active Not Active C Active C Muski C Active ER f Active if Active Routing Pesticide gt _ watershed parameters 4 Rest Printout frequency C Daily Bsr Basin Input File C Monthly General Water Quality Input File Wha f Yearly Help E xt Setup SWAT Run Figure 13 3 3 The dialog box contains several sections in which the user defines the option to be used in the simulation of various processes a Period of Simulation In this section the user specifies the starting and ending dates of the simulation using the drop down controls January ioo 1954 Honth Day Teal click on the drop down list or use the up and down arrow keys to change the value b Rainfall Runoff Routing In this section the user specifies the options to be used for precipitation time step runoff calculation method and routing time step The user may choose between three options Figure 13 4 232 RaintallAunottA outing Daily rain CN Daily Daily rain CN 7 Daily SuUb hourly GA Daily J Sub hourly Ge amp 4 Hourly Figure 13 4 i Daily rain CN Daily refers to daily rainfall curve number runoff daily routin
29. run SWAT for the scenario and compare the scenario results to those in the original default simulation or to other scenarios Select one parameter in the table by clicking on the parameter name Another section of the dialog box is enabled Figure 13 38 EDIT PARAMETER VARISTION By Percentage 00 Irri 100Z LILLE EELILITLELTLIEHEI OF 0 By Value Figure 13 38 The Calibration Tool provides the user with two options for altering the value of a parameter from the value defined in the original or default scenario a By Percentage Using the slider select the percent change in value Note the lower and upper limits of the percent variation are parameter dependent b By Value Type the change in value in the text box Note CN2 and SOL_AWC parameter variation are allowed to vary only by value The user can change the current upper limit and lower limit of the parameters using the respective Upper limit and Lower limit buttons _ Lower Limit 250 When one of these buttons is clicked a prompt box is displayed Figure 13 39 2 Set Upper Limit for this scenario The Upper Lirit for SPEAR is set at 2 enter your new Upper Limit P Cancel Figure 13 39 Type the new value in the text box Click OK to close the prompt box and save the change or click Cancel to close the prompt box without saving the change 9 The change in parameter value
30. 328 22 Click OK on the prompt box once the correct outlet is selected Another prompt box will appear to verify the outlet choice Click Yes to continue with the processing 23 The subbasin delineation for the watershed will be displayed Figure Lita pee Tak ii dd i JEE CELTI FETTET TALITTE A eal Figure 15 26 24 Click the button labeled Apply next to Calculation of subbasin Calculation of subbasin parameters Apply 25 Once the calculation of subbasin parameters is complete a prompt box will appear Click OK parameters SECTION 15 1 2 PROCESSING THE LAND USE SOIL MAP GRIDS 1 Select Land Use and Soil Definition in the Avswat menu Figure 15 27 arch Center Yer 0 9 cs Window BEWRGR Help Ayvewal Main Interace Dialog Automatic Delineation Land Use and Sail definition Reporta Figure 15 27 329 2 The Definition of Landuse and Soil themes dialog box will open Figure 15 28 H Definition of LandUse and Soil Themes a irii i OF flame C a Sac a Flee r Figure 15 28 3 To load the example land use grid click L beside the Landuse Grid text field 4 A prompt box will appear Figure 15 29 V Set the Landuse grid Figure 15 29 Highlight Load Landuse theme s from disk and click OK 330 Another prompt box will appear for the user to define the map format select Grid and click OK A message box will appear reminding the user that the
31. 5 5 Main Watershed Outlet Selection and Definition 5 6 Reservoirs Optional Section 6 Land Use Soil Characterization 6 1 Land Use Soil Definition and Overlay 6 1 1 Get Started 6 1 2 Land Use Data Layer 6 1 3 Soil Data Layer 6 1 4 Overlay of Land Use and Soil Maps 6 2 HRU Distribution Section 7 Import Weather Data Section 8 Creation of Input 8 1 Write All 8 2 Individual Write Commands Section 9 Input Modification Point Sources Section 10 Input Modification Inlet Discharges Section 11 Input Modification Reservoirs Section 12 Input Modification Subbasins 12 1 12 2 12 3 12 4 12 5 12 6 12 7 12 8 12 9 Edit Soil Physical Data sol Edit Weather Generator Input Data wgn Edit General Subbasin Input Data sub Edit General HRU Input Data hru Edit Main Channel Input Data rte Edit Groundwater Input Data gw Edit Consumptive Water Use Input Data wus Edit Management Input Data mgft Edit Soil Chemical Input Data chm 12 10 Edit Pond Wetland Input Data pnd 12 11 Edit Stream Water Quality Input Data swq Section 13 SWAT Output 13 1 13 2 13 3 13 4 13 5 Run SWAT Read Results Calibration Tool Create Delivered Load Table Reports Map Chart Section 14 SWAT Databases 14 1 14 2 14 3 14 4 14 5 14 6 14 7 User Soils Database User Weather Stations Database Land Cover Plant Growth Database Fertilizer Database Pesticide Dat
32. Chapter 4 for more information about these options Crack flow In this section the user specifies whether crack or by pass flow will or will not be simulated The user has two options Not active or Active Figure 13 9 To select an option click the radio button adjacent to the option Crack flows f Not active C Active Figure 13 9 See Soil and Water Assessment Tool User s Manual Version 2000 Chapter 4 for more information about these options Channel water routing method In this section the user selects the method used to route water in the channel network Two options are available the Variable storage and Muskingum methods Figure 13 10 To select an option click the radio button adjacent to the option Channel water routing menad Variable Storage Muskingum 235 Figure 13 10 See Soil and Water Assessment Tool User s Manual Version 2000 Chapter 4 for more information about these options Channel dimensions In this section the user defines whether or not channel dimensions are allowed to change during the course of the simulation due to channel degradation Figure 13 11 Channel dimensions f Not Active Active Figure 13 11 See Soil and Water Assessment Tool User s Manual Version 2000 Chapter 4 for more information about these options Stream Water Quality processes In this section the user decides whether or not in stream nutrient transformations are
33. Daily Loadings dBase or ASCII Point source or inlet discharge data may be summarized in one of four methods constant daily loadings average annual loadings average monthly loadings or daily loadings If the discharge data is summarized as constant daily loadings the data will be entered in the Point Discharges Data dialog box For the other three methods the interface requires a file to have been previously created that contains the point discharge data This section describes the format of the point discharge data table for daily loadings The table may be formatted as a dBase table or as a comma delimited text table FLODAY aig ae f12 a Average daily water loading for the day m3 day ORGPDAY floating SS f12 3 Average daily organic P loading for the day kg day NO3DAY floating point f12 3 MINPDAY floating point f12 3 NH3DAY floating point f12 3 Average daily ammonia loading for the day kg day NO2DAY floating point f12 3 Average daily nitrite loading for the day kg day CMTL1DAY floating point f12 3 Average daily loading of conservative metal 1 for the day kg day CMTL2DAY floating point f12 3 Average daily loading of conservative metal 2 for the day kg day CMTL3DAY floating point f12 3 Average daily loading of conservative metal 3 for the day kg day BACTPDAY floating point f12 3 Ail ore loading of persistent bacteria for year BACTLPDAY floatin int f12 3
34. ERORGP 0 000 GDAAIN 0 000 hours SLOPE 0 061 mem FILTERW 0 000 NPTOoT f oF DYN 0100 URBAN Nouban IPOT Mot specified LAT_TTIME 0 000 days URBLU No urban POTFR 4 000 fraction LAT_SED 0 000 mg IRR Ma Irrigation x POT_TILE 0 000 mays SLSOIL f 0 000 m RaNo D PaT vos 0 000 10 4m3 CANM lt f 0 000 fmm FLOWMIN f 0 000 mas Porvol 0 000 p0 4m3 ESCO f oo DivMax 0 000 mm or10 4m3 POT_NSED 0 000 img EPCO 0 000 FLOWER f 0 000 fraction POT_NOSL 0000 1 day RSDIN 0 000 kg ha DDRAIN 0 000 mm Help Cancel Figure 12 22 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown Note If the HRU was defined for an urban land type the variable URBLU will be set to that land type 2 Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 12 23 pops up Note The parameter HRU FR cannot be edited 186 Check SLOPE Figure 12 23 Click OK The parameter is reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed A
35. TETA TEE EH TAME 13544 Esa LOT Se a wi lic EE is also created that provides a detailed landuse and soil classes in the watershed and all Pit 10 When the HRU distribution has been defined the SWAT Viewis automatically created A message box will appear notifying the user of this fact Figure 6 59 126 Figure 6 59 Click OK 11 The interface will activate the SWAT View Figure 6 60 ll EE i SSRs I as r i 1 pepa H SWAT View Figure 6 60 127 SECTION 7 IMPORT WEATHER DATA Weather data to be used in a watershed simulation is imported once the HRU distribution has been defined Weather data is loaded using the first command in the Input menu of the SWAT View This tool allows users to load weather station locations into the current project and assign weather data to the sub watersheds For each type of weather data loaded each sub watershed is linked to one gage 1 Select Weather Stations from the Input menu on the SWAT View The Weather Data Definition dialog is displayed Figure 7 1 4 Weather data definition Raintal dta ile Radiation data i Simulation f Simulation C Raingages C Solargages f Simulation f Simulation C Climate stations C Windgages Weather simulation dat gt Relative Humidity data tf US database Simulation C Custom database C Rel Humidity gages Help Close Figure 7 1 2 The Weather Data Definition dialog is divid
36. You have sure you want to delete the curent Scenario Figure 12 68 c Click Yes to proceed with the deletion Click No to abandon the delete procedure d If Yes was clicked the scenario file will be removed from the database Note When a scenario is deleted the management schedule is reset to the last schedule saved for the HRU 213 3 Exit the management editor dialog box Once all desired changes have been made to the management parameters click the OK button located in the lower right corner of the Management Data dialog box Figure 12 69 or click Cancel to exit the dialog without saving the changes Mgt 5 FRSD_PA022 Management Data Load Scenario Save SCeNana NCAP _ No Crop Curenth Growing i pioMiN f 2 00 cnz 66 00 ove BIOMI O20 USLE_P 1 00 2 Schedule by Date 2 Schedule by Heat Units Year Operation Crop Month Day 1 Plant begin growing seasor LOAN 3 a Add ear 1 Fettilizer application CORN June 18 ae Festicide application LOAN July 0 a Harvest and kill operation CORN September 1 Add Operation 2 Tillage operation January 1 Delete Uperation 2 Plant begin growing seasor SOB March Edit Operation Help Cancel UE Figure 12 69 4 If the user saves the modified values once the values are saved for the HRU by clicking OK in Step 3 a new dialog box is displayed allowing the user to copy the modificat
37. 00D mm SOLK 000 mmh ANION_EXCL 0 010 fraction SOL_CEN 0 05 soil weight soLcrk coo mama Clay 000 soil weight 0 00 soil weight TEXTURE SILT on P SAND 0 00 2 soil weight Rock O00 vaoll SOL_ALB 0 00 fraction USLE_K 0 00 0 013 t rf hrima t emn SOL EC 0 00 dS m Layer cave Cancel Help Figure 14 9 At this point the user may type the necessary data into the different fields A unique name must be given to the soil the name can include numbers but the name must begin with a letter Once the soil data is entered click the button labeled Save Cancel to store the data or click the Cancel la button to exit the editor without saving The user is returned to the original User Soils dialog box If the soil data was saved the list of soils in the database will include the name of the soil just added To load soil data from a file Load Sol a Click the button labeled Load Sol Lodia on the User Soils dialog box b A prompt box will appear warning the user of potential problems if the Sol file to be loaded is not in the correct format Figure 14 10 IF the loading Sol file notin the corect format you may get an error message or the data will not be in the correct feld s Continue Figure 14 10 267 To proceed with the load click Yes To abandon the load operation click No c A browser will be display
38. 05 1 iha EA aor arr Mo il 2 3thal ED Bb BE Rangeland ats cove o or oF Shot des paik un r 2 Dane giest EEI EI ME Eia EUI ME Bo Cia Figure 14 40 285 To use a value from the table click on the desired value and then click OK To exit the table without copying a value click Cancel Once the default values for curve number and Manning s n value for overland flow are set correctly click OK g The user is returned to the original Land Cover Plant Growth dialog box The list of land covers in the database will include the name of the land cover just added To delete a user defined land cover dataset a From the Land Cover Plant Growth dialog box click the name of the land cover to be deleted b The dialog box will be modified to display the land cover data Click the button labeled Delete at the bottom of the dialog box c A prompt box will appear requesting the user to verify the delete Figure 14 41 Delete Crop 9 Do you want to remove the Crop named Corm Figure 14 41 To continue with the delete process click Yes To abandon the delete process click No Note Only the new Land Cover Plant Growth data sets entered by the User can be removed from the database The user can not remove the data sets that are included with the interface but can modify the parameters and or restore the default values To exit the Land Cover Plant Growth database a From the Land Cover
39. 12 67 2 Projection Properties C Standard Euston Cancel Projection Albers E qualArea Conic r Spheroid Sphere Central Merdiar 0 Reference Latitude 0 Standard Parallel 1 24 5 Standard Parallel 2 45 5 False Easting 0 False Northing 0 Figure 5 13 10 Once all projection properties have been set click OK This will close the projection dialog box 11 Once the units of measure and projection are properly set click OK on the properties dialog box 12 Once the DEM properties are set the Apply button labeled Preprocessing of the DEM to remove sinks will be enabled The following two options need to be set before proceeding with the preprocessing of the DEM 13 Focus watershed area optional The first option in the DEM setup section allows you to import or create a grid map that masks out a part of the DEM grid Only the portion of the DEM covered by the mask will be processed by the interface This map is not required but will reduce the processing time of the GIS functions Click the box beside Focusing watershed area option A check will co EEE MERGE open Figure 5 14 68 E Focusing watershed area Options Load mask grid from disk Manually delineate Select boundary theme from Watershed View Figure 5 14 The user has three options for masking an area of the DEM map To activate one option highlight the option and click OK or double click
40. 12 84 When the dialog box appears the subbasin pond parameters are shown To display the subbasin wetland parameters Figure 12 85 click the radio button adjacent to Wetland Data The radio buttons a allow the user to switch back and forth between the two data types 223 Pnd Subbasin 1 Pond and Wetland data Wetland dat En add NSETLwI 0000 meyear f Wetland dataj WET NSA 0 0 Jhal NSETLWw oo m year Er wees 0 0 104ma CHLAW 0 000 NJanuay ia WET Masa 0 0 hal SECCIw 0 000 WET_M lt VvOL 00 104 m3 WETNO3 C000 mgh IPHD 2 WET VOL 0 0 10 43 WET SOLP 0 000 mg F Januar a WET SED o 0 mg WET_ORGN 0 000 mg NA WET _NSED 0 0 mg WET_ORGP 0000 mg FA WET_K 0 000 mmhr PSETLW 0 000 myear PSETLW 2 O 000 ridyear Help Cancel UE Figure 12 85 Note In both pages if the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next parameter text box by pressing the Tab key lf the value of the parameter is out of range a message box like the one in Figure 12 86 pops up 2 Check PND_VOL T PND VOL should be set between 0 0 and 100 0 Figure 12 86 Click OK The parameter is reset to the original value or to the closest range limit 224 N
41. 2000 Chapter 24 When the data files have been written a message box will pop up Figure 8 20 ae Completed the guy files Figure 8 20 Click OK to proceed 143 h From the Input menu select Write Water Use Data wus or press Ctrl g This selection generates the subbasin water use data see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 21 When the data files has been written a message box will pop up Figure 8 21 i Completed the wus files Figure 8 21 Click OK to proceed i From the Input menu select Write Management Data mgt or press Ctrl K This selection generates the HRU management data see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 20 A prompt box pops up see description under 1 e under Section 8 1 When the data files have been written a message box will pop up Figure 8 22 i Completed the mgt files Figure 8 22 Click OK to proceed j From the Input menu select Write Soil Chemical Data chm or press Ctrl L This selection generates the HRU soil chemical data see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 23 When the data files have been written a message box will pop up Figure 8 23 Figure 8 23 144 Click OK to proceed From the Input menu select Write Pond Data pnd or press Ctr1 M This selection generates the subbasin pond data see Soil and Water Assessment Tool
42. 3 previous section and the respective simulation output imported into ArcView see Section 13 2 a prompt box is displayed Figure 13 51 E Map Chart Results Scenario Default Cancel Scenario Sscenanoe Figure 13 51 A drop down control lists the original default run and any calibration scenarios for the project Select one of the runs and click OK or click Cancel to abort the process 3 A dialog box will be displayed Figure 13 52 that provides options for mapping graphing data from two SWAT output files the reach rch output file and the subbasin bsb output file and the Delivered Load Table this 257 table is only available when the yearly print frequency is selected and the calculations are made for the Entire Watershed see Section 13 4 Data from the reach output file will be graphed while data from the subbasin output file and the Delivered Load Table will be mapped and graphed E Map Chart Default Scenario Charting T able Bsb Figure 13 52 Depending on the output file selected the list of variables available for plotting will vary Figures 13 53 13 54 and 13 55 E Map Chart Default Scenario Charting T able Subbaszin OK Frecip a Snomelt cance OS Ma N A d Figure 13 53 258 E Map Chart Default Scenario Vanable s Map the first Flow In Flow Out E yap Timels Map the first Charting T able Subbasin
43. 70 Click the draw button De The cursor appears as a loop Click on the map to begin defining the polygon boundary Click at each corner boundary or vertex of the polygon Double click the final vertex The outline of the polygon will be displayed Figure 5 19 TE Bwl ddd AY aS elm ola Sk aerial Rek Ch Lenig Yii h aii E z EL POamE src E 2 i bended ree a ai Figure 5 19 Repeat the same procedure for as many polygons as are needed The polygons are displayed as the Focusing Watershed Area theme To add a new vertex to a polygon or move a vertex click the Edit Vertex button Edtvetes Move the cursor to the position on the line where the new vertex will be located When the cursor symbol changes to a target click To move a vertex place the cursor on the vertex to be moved When the cursor symbol changes to a crosshair hold down the left mouse button and drag the vertex to the new position 71 To delete a polygon click the Delete button elete Click on the polygon to be deleted When the polygon is een 4 Figure 5 20 press the Delete key on the keyboard and the polygon will be removed CEMSA ME Bee Tis eA AIS ED fa aca i TATAEE STO E Er aa al aes pa oe Figure 5 20 Once all drawing and editing on the grid mask is completed click the Apply button The third option Select boundary theme from Watershed View allows a polygon shape theme already loaded in the Watershe
44. A luc dbf C dem A nutrient dbf 4 info F ocofork dbf M landuse List Files of Type Drives dBASE d Figure 7 4 Highlight the name of the temperature gage location table and click OK or double click the selection The temperature gage locations will be loaded in the SWAT Viewas the Tempgages point theme and the data path will be displayed in the text box Solar Radiation data optional In this section the user can import measured solar radiation data for use in the project To use measured solar radiation data select the Solargages radio button Solargages Click the open file folder button next to the text box that appeared with the radio button that was selected Locations table fo A file browser Figure 7 5 allows you to select the dBASE Solar radiation gage location table The solar radiation gage location table must be prepared by the user following the format described in Section 3 131 fs Import Table Sirg hopOpep dbf fo dS hop pop dbf gt avswat hop2pcp dbf gt avzwatdb hop pcp dbf hop4pep dbf luc dbf nutrient dbf Figure 7 5 Highlight the name of the solar radiation gage location table and click OK or double click the selection The solar radiation gage locations will be loaded in the SWAT Viewas the Solargages point theme and the data path will be displayed in the text box Wind Speed data optional In this section the user can import measur
45. Conventional tillage no residue 0 09 O06 0 12 Gratan Eloi A Conventional tillage residue 0 27 D of iO oo oj 2 ol my om E rh Chisel plow na residue eu DJ ae mom om j WwW oa 5 M Chisel plow residue Fall disking residue JA No till no residue Mo till 05 1 thal Mo till 2 9 t ha La t Ph mn ZI Ma bJ ci el Ce Fon Rangeland 20 cover 0 0 oF Short grass prairie 0 15 oi oz Dense grass 0 24 0 17 0 3 Bermudagrazs O47 E 0 48 Figure 14 36 To use a value from the table click on the desired value and then click OK To exit the table without copying a value click Cancel Once the default values for curve number and Manning s n value for overland flow are set correctly click OK The user is returned to the original Land Cover Plant Growth dialog box The list of land covers in the database will include the name of the land cover just added To add a new land cover by modifying an existing record a From the Land Cover Plant Growth dialog box click the name of the land cover to be copied Once the land cover data is displayed click the button labeled Add New Modify Adi New Modi 283 c A modified dialog box will appear with all the data fields filled copied from the previously selected land cover except the land cover name Figure 14 37 1 Land Cover Plant Growth database
46. DATA The following sections describe the ArcView themes and tables generated during the watershed delineation process Subbasins Theme Data Fields ArcView internal field ArcView internal field Subbasin number Subbasin area hectares Stream reach longest path within the subbasin length meters Slo1 Subbasin slope Field slope length meters sl Stream reach longest path within the subbasin slope Wid1 Stream reach longest path within the subbasin width meters Dep2 Stream reach longest path within the subbasin depth meters Latitude Latitude of the subbasin centroid Elevation Elevation of the subbasin centroid meters Bname String available for labeling the theme Streams Theme Data Fields Field Name Description wi 343 Outlets Theme Data Fields ite SSCS Reservoirs Theme Field Name Description Outlets Theme Type Field Values type sania P Manually added point source o Manually added draining watershed inlet Acceptable values for importing outlet inlet table eo Table added draining watershed inlet 344 APPENDIX 2 STATE FIPS CODES Alabama Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Idaho Illinois Indiana lowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana 01 Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolin
47. Delete Year button c Awarning prompt dialog pops up Figure 12 47 Tou are about to REMOVE all the operations for year 1 Are you sure You want to Continue Figure 12 47 d Click No to abort Click Yes to continue and remove all the operations in the specified rotation year e If Yes is selected the remaining rotation years will be renumbered so that all rotation years in the operation list are consecutively numbered To add an operation a Highlight the operation in the list after which the new operation is to be added Click the Add Operation 2c 2peten button If the highlighted operation is the first one listed in the operation schedule a prompt box will appear requesting the user to specify whether the operation will be added before or after the highlighted operation b A prompt box will be displayed Figure 12 48 2 Type Operations Select Type Operation to add Fertilizer application Cancel Flant begin growing season Irrigation operation Pesticide application Tillage operation Harvest only operation Figure 12 48 204 c To abort adding an operation click Cancel Otherwise display the drop down list by clicking the arrow to the right of the text box The drop down list will display allowed operations Select the desired operation and click OK d The Add Operation dialog box will be displayed Figure 12 49 2 Add Operation January 1 Aqncultural
48. ET method to Hargreaves and the Printout Frequency to Monthly Leave all other settings as is 4 Click the button labeled Setup SWAT Run to build the climate and watershed level input files 5 A prompt box will appear asking if any input files need to be rewritten from modified dbf files Click No 6 Click the Run SWAT button 7 When the SWAT run is finished a message box will be displayed noting that the simulation was successfully completed Click OK SECTION 15 1 7 VIEW RESULTS 1 A prompt box will be displayed asking if the user wishes to read the ASCII outputs Click Yes 2 The SWAT output data is loaded into dBASE tables and displayed Figure 15 43 340 Lokelak fae Ae i Bilger Pop ees Lie i EEE B Seal View BCE Am i ane Hrs LEARE Tae i L o o m BECIE EEH isidi meL Figure 15 43 To graph and map results on the Reports menu click Map Chart Figure 15 44 A lakefork swat AYSWAT 2000 Blackland Research Center Yer 0 9 Beports Sea Tanl tT a Deal yveracl Coad Tane Erir Map Chart Ctrl F 4 Figure 15 44 select the BSB output file Then Select 1 under Subbasins WYLD under Variables and 011977 through 121977 to select multiple months hold down the Shift key while clicking the desired months Once all the settings have been made click OK A map of the water yield for all subbasins in 01 1997 will be plotted and the water yield for subbasin 1 will be graphed for
49. Figure 5 9 Projection Figure 5 9 lf the projection listed was correct click No To change the projection click Yes lf Yes was clicked a prompt box is displayed offering two options predefined projection and custom projection Figure 5 10 Click either predefined projection or custom projection A Swat Arc iew Data Projection Definition Figure 5 10 66 8 lf Predefined projection was chosen the dialog box in Figure 5 11 will be displayed Only three projections are predefined in the interface Geographic decimal degrees Albers Equal Area conterminous US and Wisconsin TM Click the project map projection Once the proper projection is highlighted click OK Select predefined projection Geographic Decimal Degrees Albers Equal 4rea Conterrninous U 5 Wisconsin Transverse Mercator Figure 5 11 lf Custom projection was chosen the dialog box in Figure 5 12 will be displayed Scroll the drop down menus for Category and Type to find the project map projection and click the appropriate choices Once the projection has been selected standard settings for the projection will be displayed in the lower portion of the dialog box If the projection settings need to be altered click the circle beside custom and type the correct values for each of the projection properties Figure 5 13 i 2 Projection Properties oO a Projections of the world Geographie s ssssi Figure 5
50. Load Table command analyzes SWAT output to calculate the source of loadings at any point along the channel network SECTION 4 2 5 THE REPORTS MENU The Reports menu is one of four new menus introduced in the SWAT View The Reports menu provides the user access to ArcView and ASCII tables generated during the project Five items are listed on the Reports menu Figure 4 22 E newl swat AVSWAT2000 Blackland Research Center Ver 1 0 Eile Edt iew ee Mees E AE ae e Eee Window Help m 2 Show List Ctrl F SBS Table Ctrl F 2 Delivered Load Table Ctrl F3 a SWAT View Map Chart Cirl F4 yi Weagages henscn Chrl F5 i Figure 4 22 53 The Reports Menu Show List The Show List command displays a list of all ASCII reports generated in the project as well as several of the SWAT input files that users might wish to review The Reports Menu SBS Table The SBS Table command displays the ArcView table containing information loaded from the SWAT sbs output file HRU output this command is enabled only when the simulation printout frequency is yearly The Reports Menu Delivered Load Table The Delivered Load Table command displays the ArcView table containing the loadings from the various subbasins for the point along the stream network defined when the Make Delivered Load Table command under the Simulation menu was performed The Reports Menu Map Chart The Map Chart command provides a dialog box that allows the
51. PET The available options are Priestly Taylor Penman Monteith Hargreaves and Read in When Read in is selected the user must provide a file either in dBASE or txt format containing the daily value of PET Figure 13 6 The format of the PET file is given in Section 3 Potential ET method C Priestley T aylor method C Penman Monteith method C Hargreaves method Figure 13 6 To import PET file i Click the open file folder H button ii A prompt box is displayed Figure 13 7 ET input data Choose the kind of table dbf file string fields bet file comma delimited Figure 13 7 iii Select the proper format and click OK or double click selection iv A browser will appear allowing the user to locate and select the file containing the daily PET values Figure 13 8 234 Table ET input data File Marne Directories OK l d avswat T Vavewatdb example A hopOpep dbt FS dA Lancel Py hop pep db gt avewal 7 A hop2pep dbf gt avewatdb 3 hopSpecp dbt ge example 4 hop4pcp db C amask fA luc dbf C dem A nutrient dbf info FA ocotork dbf Ma landuse kd List Files of Type Drives dBASE d Figure 13 8 v Highlight the name of the file and click OK or double click selection vi The name of the table will be displayed in the text box beside the Read in radio button See Soil and Water Assessment Tool User s Manual Version 2000
52. Pesticide named Atrazine Figure 14 55 f To save the editing changes click Yes To discard the editing changes click No To recover default values for an edited pesticide The default values for the pesticides provided with the interface are stored and can be recovered at any time This operation may only be performed for pesticides provided with the interface This operation will eliminate all changes made to the pesticide parameters by the user a Click the name of the pesticide b Click the button labeled Default at the bottom of the dialog box c A prompt box will appear Figure 14 56 295 Set Atrazine To Default Are you sure you want to set Atrazine back to it default setting 7 Figure 14 56 d To recover default values click Yes To abort the recovery of default values click No To add a new pesticide A new pesticide may be added to the database by setting parameters on a blank form or by copying data from an existing pesticide record to a new record To add a new pesticide using a blank form a Click the button labeled Add New adiNew on the Pesticide Database dialog box b A modified dialog box will appear which contains input fields for the pesticide data Figure 14 57 Edit Pesticide Pesticide Mame Frame Vi character SKOC 1 00 img kg imng WOE 00 fraction HLIFE_F 0 00 days HLIFE_ 0 00 days AF EF OOO fraction wWSOL 0 000 ma Save Ca
53. SWAT View is used to edit input data run the SWAT model and analyze output The Watershed View menu bar contains the same pull down menus as the basic ArcView window 2 Spatial Analyst pull down menus Analysis and Surface plus one menu unique to the SWAT ArcView Watershed View Avswat The SWAT View menu bar contains the same pull down menus as the basic ArcView window plus 4 menus unique to the SWAT View These are Input Edit Input Simulation and Reports The SWAT View is created once all map processing has been completed in the Watershed View To shift between the Watershed and SWAT Views position the mouse cursor in an open area in the map display click the right mouse button and select SWAT View from the pop up menu see Section 4 3 for more information about the pop up menu Figure 4 15 shows the ArcView View menu and tool bars Figure 4 16 shows the Watershed View menu and tool bars while Figure 4 17 shows the SWAT View menu and tool bars lt 2 ArcView GIS 3 2 Eile Edt View Theme Graphics Window Help El M EN EN E fy a Ez Ez 8 if a aoe l 1 T a i ee ey a A FJK Al TEE a El a 5 aos a oo oo I E aa T H K oe em y very Ele Edt View Theme Input Egitinput Simulation Heports Window Help K ZEE AIA El z 2 AP Foue 4 17 47 SECTION 4 2 1 THE AVSWAT MENU The Avswat menu contains all the commands required to import and process the ArcView themes and tables used for del
54. Subbasins section of the dialog box the subbasins to which the edited general HRU data will be copied Select the All 4ll button to copy to all the subbasins If the changes are to be copied to only certain subbasins click the Selected Selected button to specify the subbasins When the Selected button is active a list of subbasins will be displayed Figure 12 25 B Figure 12 25 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the shift key while highlighting the subbasin numbers ii Specify in the Landuses section of the dialog box the landuse type s within the specified subbasins to which the general HRU data will be copied Select the button labeled with the name of the original landuse Pee ers other additional landuses When the Selected button is active a list of landuses will be displayed Figure 12 26 188 i Selected Figure 12 26 Highlight the landuse s to which you would like the data to be copied from the new enabled list by clicking on the landuse code To select more than one landuse hold down the Shift key while highlighting the landuse codes Specify in the Soils section of the dialog box the soil type s available for the specified subbasins landuse s to which the general HRU data will be copied Select the button labeled with the name of the original
55. Table Format 2 fields Field format DATE date mmdd Day of measure floating point f8 3 Daily relative humidity fraction ASCII txt Table Format Field format yyyymmdd string Starting day of data All other lines floating point f8 3 string number Daily relative humidity fraction The daily records must be listed in sequential order The relative humidity data tables must be placed in the User Data directory see Section 4 1 8 29 Point Discharge Data Table Annual Loadings dBase or ASCII Point source or inlet discharge data may be summarized in one of four methods constant daily loadings average annual loadings average monthly loadings or daily loadings If the discharge data is summarized as constant daily loadings the data will be entered in the Point Discharges Data dialog box For the other three methods the interface requires a file to be previously created that contains the point discharge data This section describes the format of the point discharge data table for annual loadings The table may be formatted as a dBase table or as a comma delimited text table dBase YEAR integer i4 Year of measured data ORGNYR floating F f12 3 Average daily organic N loading for year kg day MINPYR floating at f12 3 T daily soluble P loading for year kg day CMTL1YR floating point f1 T Average daily loading of conservative metal 1 for year kg day CMTL2YR floating po
56. The map resolution units and projection are properties of the map that are set when the map is created While the interface can utilize maps in any projection all maps used for a project must all be in the same orojection ook Optional At this point the user may load a masking map grid and or perform a burn in of the stream network with a shape file containing the stream delineation for the watershed A burn in is useful in watersheds with very little relief e g delta regions or where the elevation map is not detailed enough to accurately predict the stream network The example data set contains a masking map grid To load the masking map grid 322 a On the Watershed Delineation dialog box check the box next to thats watershed area option A check will appear in the box 15 16 2 Focusing watershed area Options Load mask grid from disk Manually delineate Select boundary theme from Watershed Yew Figure 15 16 Highlight Load mask grid from disk and click OK b A browser is displayed Click the name of the masking map grid amask and then click OK c The masking map grid will be displayed on the screen Figure 15 17 i light oe eA 0 Bec Mage cs Core eno SEE Figure 15 17 323 When a masking map grid is displayed the stream network will be delineated only for the area of the DEM covered by the masking map grid 12 Once the elevation map is displayed the ma
57. and soil themes must be in the same projection as the DEM used in the watershed delineation Application Hydrologic models like SWAT require land use and soil data to determine the area and the hydrologic parameters of each land soil category simulated within each sub watershed The Land Use and Soil Classification tool guides the user through the process of specifying the data to be used Either shape or grid themes may be used Shape files are automatically converted to grid the format required by Spatial Analyst to compute cross tabulated areas between land use and soil data sets Once the application is finished a detailed report is added to the current project This report describes the land use and soil class distribution within the watershed and within each sub watershed unit Subbasin Key Procedures e Define the land use theme 95 e Reclassify the land use theme e Define the soil theme e Reclassify the soil theme e Overlay land use and soil themes e Click the Exit button SECTION 6 1 1 GET STARTED Initiate the Landuse and Soil Classification and Overlay tool by selecting Land Use and Soil Definition in the Avswat menu Figure 6 1 The Avswat menu is present only in the Watershed View G newl swat AVS WA a F Figure 6 1 The Definition of Landuse and Soil themes dialog will open Figure 6 2 2 Definition of LandUse and Soil Themes Sirni 55i OF flare iiie Sec Mo Sipe flame
58. as the shape file a dialog box will display an error message Once the stream network is loaded the shape file path will be shown in the text box labeled Digitized streams The selected theme s will be displayed in the Watershed View as a single theme named Digitized streams multiple selected data sets will be merged The filtered features if any from the selected themes are merged into a theme named Removed streams that is added to the Watershed View A dialog box is displayed to indicate this to the user Figure 5 27 Burning Stream with NHD The orginal MHD streams theme has been filtered to remove the reaches of not flowing water Please make sure edit the Digitized streams theme to preserve the connectivity in case of not validated HHO data set Note the spurious reaches have been grouped in the Removed streams theme Figure 5 27 76 After filtering and before proceeding to the next preprocessing step you should edit the Digitized stream theme to provide a continuous set of stream lines e g draw lines through lakes and ponds remove isolated reaches For this task you can start an editing section of the Digitized stream theme and use the ArcView default tools in the Watershed View A E Other than outlet lines the stream lines should not cross the edge of the DEM or the Focused Area if a mask was set Lines crossing the edge can affect the resulting flow direction
59. box specify the subbasins to which the edited pond wetland data will be copied Select the All the subbasins l the subbasins button to copy to all subbasins in the watershed If the changes are to be copied to only certain subbasins click the Selected subbasins Se tee nee een ated a eit pesos E a button to choose the subbasins When the Selected subbasins button is active a list of subbasins will be displayed Figure 12 88 f Selected subbasing Figure 12 88 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the Shift key while highlighting the subbasin numbers Once you have made all selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 226 SECTION 12 11 EDIT STREAM WATER QUALITY INPUT DATA SWQ 1 Click Swq in the Select Input File list of the Edit Subbasin Inputs dialog box Stream water quality parameters are displayed in a new dialog box titled Swq Subbasin Figure 12 89 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 27 Q Swq Subbasin 5 Stream water quality data Alutnent parameters DSO 0 000 reg ASS 0 050 day BOD 0 000 mg l RSE 2 500 day Nutrients ALGAE 0 000 mg A pE zegg mgfr day Pes
60. box will be displayed asking for verification of the reservoir s removal Figure 5 59 Reservoir Remove the Reservoir from subbasin number 37 Figure 5 59 4 If the wrong subbasin is listed click No and repeat step 2 If the correct subbasin Is listed click Yes 5 If all the reservoir locations are removed the Reservoirs theme will be removed from the Watershed View 94 SECTION 6 LAND USE SOIL CHARACTERIZATION Land Use and Soil Characterization for a watershed is performed using two commands in the Avswat menu of the Watershed View This tool allows users to load land use and soil themes into the current project and determine the land use soil class combinations and distributions for the delineated watershed s and each respective sub watershed The themes can be either grid or shape format Once the land use and soil themes have been imported and linked to the SWAT databases the user specifies criteria used in determining the HRU distribution One or more unique land use soil combinations hydrologic response units or HRUs can be created for each subbasin SECTION 6 1 LAND USE SOIL DEFINITION AND OVERLAY Purpose The Land Use and Soils Classification and Overlay tool allows the user to load the land use and soil themes and determine land use soil class combinations and distributions for the delineated watershed s and each respective sub watershed The themes can be either grid or shape theme s The land use
61. button A prompt box will open Figure 5 41 Click the Cancel button to exit Redefine location Switch all the selected locations to Subbasin Outlet Inlet of Discharging watershed Figure 5 41 You may redefine one or more outlets to drainage watershed inlets and vice versa Point Source inlets cannot be redefined If one of these points is selected a dialog box will report an error Figure 5 42 and the process will stop 85 Point source of discharge Figure 5 42 SECTION 5 5 MAIN WATERSHED OUTLET SELECTION AND DEFINITION Sub watershed delineation is completed in this section Figure 5 43 of the Watershed Delineation dialog box Main watershed outlhet s selection and definitio whole Watershed cutlets Calculation of subbazin parameters d B l Apply Select Undo Figure 5 43 The interface will allow more than one watershed to be delineated at the same time It is convenient to select just the most downstream outlet s of each target watershed s Click the elect button 1 The DEM dialog will minimize and another dialog will appear Figure 5 44 Hain watershed outlet s selection Hold Shift Rey down for multiple selection Click once selection is complete Help Figure 5 44 2 Press the ESC key to exit the selection 3 To select one watershed outlet position the cursor close to the point chosen to be the watershed outlet Hold down the left mouse button
62. by rflow Example NHD files may be viewed in the installation diravswatdb example2 nhd directory Click OK after the selection has been made or double click the selection A prompt box will open and the user will select one of two options to load the stream delineation Figure 5 23 74 Load from disk Select from Watershed View Figure 5 23 You may select a polyline theme that has previously been added to the Watershed Viewor load apolyline theme Click OK after the selection If the first option was selected the list of the polyline themes in the Watershed View is shown Figure 5 24 otherwise a polyline dataset file browser Figure 5 25 will appear to allow you to specify which shape file will be used OS07 0007 shp Figure 5 24 l ett EH 05010007 shp E gt oc gt avewat7 E gt avenwatdb E gt example Figure 5 25 75 select the name of the stream network theme hold the Shift key for multiple selection and click OK If any of the selected shape files are not polylines a dialog box will report the error Figure 5 26 and the process will be stopped a d basing datastutonalcnty shp i not a Polyline shape Figure 5 26 For Reach File V3 or NHD options if the wrong data set is selected a dialog box will display an error message noting that the fields for the shape file are not correct For the NHD option if the NHD flow direction table is not located in the same directory
63. categories The first option is to use USGS category codes when creating the map or use a USGS land use land cover map The interface contains an ArcView table that identifies the different SWAT land cover plant types used to model the various USGS land uses The second option is to select the SWAT land cover plant type or urban code for each category when the land cover land use map theme is loaded in the interface The third option is to create a look up table that identifies the 4 letter SWAT code for the different categories of land cover land use on the map The format of the look up table is described in Section 3 3 Arcinfo ArcView GRID or Shape Soil The categories specified in the soil map will need to be linked to the soil database U S soils data only included with the interface or to the User Soils database a custom soil database designed to hold data for soils not included with the U S soil database The user has four options for linking the map to the U S soil database One method is to use the STATSGO polygon MUID number Because the soils database contains information for the entire U S the 3 digit state STATSGO number must be prefixed with the 2 digit numeric code for the state The 2 digit numeric codes are listed in Section 8 For every polygon the soil database contains data for all soil phases found within the polygon When the Stmuid option is chosen data for the dominant soil phase in
64. data fields e Click Save to store the modified urban data or click Cancel to exit the editor without saving f The CROP Hydrological Parameters dialog box is displayed when data for a new urban land type is saved Figure 14 79 CROP Hydrological Parameters Cropname Com CPM CORN Hydrological Group 67 00 BE B 7700 C OVN 63 00 Manning s Roughness ar00 Factor nr Table SCS Runoff Curve Table Figure 14 79 The user must define a default Manning s overland n value and default curve numbers that will be used by the interface to initialize these parameters when setting up projects where the new urban land type is present in the watershed 310 Values may be typed into the text boxes or the user can access tables to decide what value should be assigned To access the SCS Runoff Curve Table click the SCS Runoff Curve Table _ SC2 Rune Curve Table button The table will be displayed Figure 14 80 2 SCS Runoff Curve Number Condition Fallow Runott Curve Humber Row crop Hydrologic Group Small Grain 5 77 Close seeded E 56 Pasture or Range c EE Meadow EN D g4 Roadafdirt C Roads hard surface _Cancel Ekg Figure 14 80 Curve number values for different management conditions are accessed by clicking the radio buttons for the condition and if applicable the cover To exit the table and copy the displayed curve numbers click OK To exit the table without copyi
65. data to other data sets proceed as follows In the dialog box specify the subbasins to which the edited water use data will be copied Select the All the subbasins 4llthe subbasins button to copy to all subbasins in the watershed If the changes are to be copied to only certain subbasins click the Selected subbasins Se tee nee een ated a eit pesos E a button to choose the subbasins When the Selected subbasins button is active a list of subbasins will be displayed Figure 12 41 f Selected subbasing Figure 12 41 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the Shift key while highlighting the subbasin numbers Once you have made all selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 199 SECTION 12 8 EDIT MANAGEMENT INPUT DATA MGT 1 2 Click Mgt in the Select Input File list of the Edit Subbasin Inputs dialog box Management parameters are displayed in a new dialog box titled Mot Subbasin _Landuse type_Soil name Figure 12 42 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 20 Mgt 5_FRSD_PA022 Management Data Load Scenario Save Scenario MCRF Mo Crop Curentl Growing O00 CH O20 USLE_P
66. file and click OK or double click the selection ii Monthly Reservoir Outflow data If Measured monthly outflow is selected from the IRESCO drop down list Figure 11 11 the user is required to create a data table containing the monthly outflow 166 information for the reservoir following the format specified for Reservoir Monthly Outflow in Section 3 3 IRESCO Measured monthly outflow Average annual release rate Measured monthly outflow Simulated T arget release Figure 11 11 A section of the dialog box labeled Resmono table is enabled Figure 11 12 RESMONGO table Figure 11 12 Click the open file folder button Ea A prompt box will appear so that the user can specify the format of the file containing the monthly reservoir outflow data Figure 11 13 Select dBASE dbf or text file txt and click OK Choose the kind of table dbf tile string fields bet file comma delimited Figure 11 13 A browser will be displayed allowing the user to select the dBASE file dbf or text file txt containing the data from disk Figure 11 14 167 E Monthly average daily Reservoir outflow table hopOpep dbf feo dA hopi pep dbf gt avewal 7 hop2pep dbf gt avewatdb hop 3pcp dbf hop4pcp dbf C amask luc dbf C dem nutrient dbf Figure 11 14 select the file and click OK or double click the selection The Lake Water Quality dialog box will be displaye
67. may be applied to the entire watershed or to only a portion of the watershed a To apply the change to all subbasins select the radio button labeled Apply to all sub basins To apply the change to only a portion of the subbasins select the radio button Select sub basins Apply to all sub basins Select sub basins lf the user decides to apply the change to only a few subbasins a list of all subbasins in the watershed is displayed when the Select sub basins radio button is chosen Scroll the list and highlight the number of all subbasins where the change in parameter value is to be made Hold down the Shift key to select multiple subbasins Note USLE C is a SWAT database parameter and cannot be changed for particular subbasins b Ifthe selected parameter is an HRU level parameter the user can limit the change in parameter value to specific landuses in the selected subbasins To isolate the change in parameter value to certain landuses click the box labeled Landuse M Landse If the box is checked a list of landuses is displayed Scroll the list and highlight the landuses where the change in parameter value is to be made Hold down the Shift key to select multiple landuses Note For USLE C you must select the target landuses 10 Once the settings for the parameter are complete the user has three options save the settings for the parameter exit the parameter editor tool without saving the settings or erase the cur
68. more than one landuse hold down the Shift key while highlighting the landuse codes Specify in the Soils section of the dialog box the soil type s available for the specified subbasins landuse s to which the soil chemical data will be copied Select the button labeled with the name of the original soil em to copy the soil chemical data only in the HRUs with this same soil type Click the Selected 2 2 e4 button to select other additional soil types When the Selected button is active a list of soil types will be displayed Figure 12 83 Selected Figure 12 83 Highlight the soil type s to which you would like the data to be copied from the new enabled list by clicking on the soil type code To select more than one soil type hold down the Shift key while highlighting the soil type codes Once you have made all your selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 222 SECTION 12 10 EDIT POND WETLAND INPUT DATA PND 1 Click Pnd in the Select Input File list of the Edit Subbasin Inputs dialog box Subbasin impoundment parameters are displayed in a new dialog box titled Pnd Subbasin Figure 12 84 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 28 J Pnd Subbasin 1 E4 January 0 January E 0 000 January January o s ea Figure
69. name entered 30 chars max into this field must correspond with the name of a soil in the User Soils database Note Soil names starting with a numerical character are not allowed 15 dBase Table Format Stmuid Seqn option 3 fields Fessem carne VALUE cai Number of map categor STMUID string 5 chars 5 digit number digits 1 2 numeric code for state digits 3 5 STATSGO polygon number SEQN string Sequence number of soil within the STATSGO polygon Can most dominant soil SEQN 2 3 most dominant soil SEQN 3 etc dBase Table Format Stmuid Name option 3 fields lds __ formal VALUE Vane Number of map categor STMUID string 5 chars 5 digit number digits 1 2 numeric code for state digits 3 5 STATSGO polygon number NAME string Name of soil within the STATSGO 30 chars max polygon ASCII txt Table Format An example soil look up file for the Stmuid option is Value Stmura 148047 PEN PAES SrA 6357 4 48619 5743620 648033 ASCII look up tables for other options will contain data for the joining attributes listed in the dBase format summaries for the different linkage options 16 Weather Generator Gage Location Table dBase A database included with the interface has weather generator data summarized for 1 041 weather stations across the United States If this database will not be used in the simulation a location table is required to provide the location of custom weath
70. number of HRUs with the land use soil classes and areal extent are listed for each subbasin To access this report click on Reports under the Avswat menu in the Watershed View Select SWAT model LandUse and Soil Distribution after threshold application and click OK 125 SSD merit Landia gee Sood Dain alle SAT secochel simile tion HIUITIPILE Fete Lari za en OPTI fusber cf HRe i Haber ct Fells LF fm haid quale wen Fri Cee GL TIREE LE 863 Foret 15 54 03 2001 b i Darsd uso e FHL Forari Execqrean FRSOE Feama t FRAI agriculture land ener pe AFL PROS PROSE PROBE PE 2LEER 1911 L308 S102 ESL5 4042 479 280 erie 9519 Peg Boh iid Lei L733 711 BEV 631 STERASIH LEEDS Forert Fore a Decades FRAT Forss FEBS Daz LONE x Forart havicaltare lend Geer lc 2CRL PAE FISD FADS FReT Fads griculturaj Imad rar ic sina reas Figure 6 57 An ArcView table Distrswat distribution of the HRUs mmm m oe subwatersheds Figure 6 58 J Toboei Armm fia i556 4509 f6 Borg 7 Ocho 52 636d LEER APE B28 4724 473 O28 452 6353 a eem e a e e l m l I m e kreo i ares acrea SB ApS EIQL7 1ivz SELTE EIZE 2 43 ETI afro 1 35 iiki 7923 2 d2 idi t i752 Pi L 2ETOE EIJE 2 73 ETLE S172 9 48 Sa1 GATE 6a 2137 6E79 iL 26 Aran acra oat Area ASub Arma 25 1084 Tdd 1548 ali 2
71. other additional soil types When the Selected button is active a list of soil types will be displayed Figure 12 27 Selected Figure 12 27 Highlight the soil type s to which you would like the data to be copied from the new enabled list by clicking on the soil type code To select more than one soil type hold down the Shift key while highlighting the soil type codes Once you have made all your selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 189 SECTION 12 5 EDIT MAIN CHANNEL INPUT DATA RTE 1 Click Rte in the Select Input File list of the Edit Subbasin Inputs dialog box Main channel parameters related to water and sediment transport are displayed in a new dialog box titled Rte Subbasin Figure 12 28 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 25 Rte Subbasin 5 Main channel data CH wa 4 119 m CHK2 0000 mmh CHO 0282 m cHeROD 0000 cHs2 005 mm cH cow 0000 CHL2 1 625 ikm CH WOR 14613 mm CHN2 O04 ALPHA BNK 0 000 days Figure 12 28 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown Edit data Activate a parameter text box by clicking on it Type the desired value You c
72. parameter by pressing the Tab key If the value of the parameter is out of range a message box like the one in Figure 14 30 will be displayed 279 Check T_OPT T T_OPT must be set between 11 00 and 38 00 Figure 14 30 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir oarameter ranges are stored in resrng dbf Exit d Once all editing changes have been made click Exit e Aprompt box appears Figure 14 31 G2 Do You want to save the changes to the crop named Corm 7 Figure 14 31 f To save the editing changes click Yes To discard the editing changes click No To recover default values for an edited land cover dataset The default growth parameters for the land cover types provided with the interface are stored and can be recovered at any time This operation may only be performed for land covers provided with the interface This operation will eliminate all changes made to the growth paramet
73. reach of the Streams theme Note Xpr and Ypr field data values have priority over the Lat and Long field data value for the definitio of the point location on the map The DEM dialog box will automatically minimize and the Watershed View will be redrawn showing the added points 81 Adding Point Sources or Inlets of Draining Watersheds from Tables Inlet point locations can be imported in the project using a dBASE table and the following steps 1 2 Make sure the Inlet radio button is selected In the Outlet Definition section of the DEM dialog box click on the Table Add by table button next to the Table text box A dialog box will appear Figure 5 36 Table of locations File Marne Directories cK d avswat T Vavewatdb example E hopOpep dbf FS dA Cancel Py hop pep db gt avewal 7 fy hop2pep dbf gt avewatdb A hopSpcp dbt ge example 4 hop4pcp db C amask fA luc dbf C dem Py nutrient dbf info FA ocofork dbt kd Fa landuse kd List Files of Type Drives dBASE d Figure 5 36 This table must have the same fields specified in Section 3 3 for Watershed Inlet Location Table All locations listed in the table must be Type D Point Sources or Type I Draining Watershed Inlets If a different Type value is specified a dialog box will report an error like the one reported in Figure 5 35 and the loading process will stop The D
74. rh 5 m a Rangeland 20 cover 03 oi oa os Poor or 015 0i f 02 air fas as Bermnudagrass 0 41 Short grass prairie Pe Dense grass Figure 14 77 To use a value from the table click on the desired value and then click OK To exit the table without copying a value click Cancel Once the default values for curve number and Manning s n value for overland flow are set correctly click OK f The user is returned to the original Urban Database dialog box The list of urban land types in the database will include the name of the urban land type just added To add a new urban land type by modifying an existing record a From the Urban Database dialog box click the name of the urban land type to be copied b Once the urban data is displayed click the button labeled Add New Modify Add New Modi 309 c A modified dialog box will appear with all the data fields filled copied from the previously selected urban land type except the urban land type name Figure 14 78 2 Urban area database Urban Hame URBENAME 4 character FIMF Den fraction FCIMP 620 fraction CURBDEN 0 280 kmha URBCOEF 0180 pmm DIRTM 200 000 fkg curb km THALF 1600 days TNeoNC f 420 000 mgN kg sed Teconc 240 000 ma Pkg sed TNOSCONC 5500 mg NO3MN kg sed Save Cancel Help Figure 14 78 d Enter a new urban land type name and modify the other
75. soil type hold down the Shift key while highlighting the soil type codes Once you have made all your selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 196 SECTION 12 7 EDIT WATER USE INPUT DATA WUS 1 Click Wus in the Select Input File list of the Edit Subbasin Inputs dialog box Consumptive water use parameters are displayed in a new dialog box titled Wus Subbasin Figure 12 38 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 21 a Wus Subbasin 5 Water Use data WLUPAO dat Jan Feb Mar WLPND fe ao no 0 0 fo m3 Apr May Jun WURCH C oo 00 foo 04 m3 Jul Aud Sep WUSHAL c oo oo 00 posma H Oct ov Dec WUDEEP 0 0 0 0 0 0 104 m3 Help Cancel OF Figure 12 38 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown 2 Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next parameter text box by pressing the TAB key lf the value of the parameter is out of range a message box like the one in Figure 12 39 pops up Check WUPND Month Apr T WLUPHO Month Apr should be set between 0 0 and 100000 0 Figure 12 39 197 Click OK The parame
76. terminates before the entire simulation period is completed a message box will notify the user of a run failure Figure 13 28 Simulation problem i SWAT mn HOT successtully completed Figure 13 28 244 b Click OK Review inputs before attempting a new run Note To debug a simulation 1 Copy swat2000 exe from the avswatpr directory to the txtinout directory for the project Open a DOS command prompt window Change to the project txtinout directory and run swat2000 exe The error message will remain visible and will specify the line of code where the model is crashing The user can use the source code to identify the problem or send the error message to technical support for assistance in locating the oroblem lf the simulation terminates properly a message box will notify the user of a successful run Figure 13 29 2 Simulation i SWAT un successtully completed Figure 13 29 Click OK Another prompt box will be displayed Figure 13 30 Read Results G Do you want to read the ASCII outputs now Figure 13 30 The SWAT simulation generates ASCII output files whose data must be transferred to dBASE tables for access in the interface Click Yes to load the output data to dBASE tables Click No to defer the generation of dBASE output tables to a later time Clicking Yes performs the same operations performed by the Read Results command in the Simulation menu 245 SECTION 13 2 READ R
77. the selection a The first option Load mask grid from disk allows the user to import a grid map from a disk drive If this option is selected a grid data set browser is opened Figure 5 15 E Choose the Mask GRID Grid Name Directories ox mask d basing datastutoral ewatexample Cancel EE amask 1 dh dem basins Bo maski data tutorial Drives I Figure 5 15 select the name of the mask grid and click OK or double click the selection If a mask was set previously a prompt box will appear asking if the new mask should be merged with the existing one Figure 5 16 69 b Load mask grid from disk Merge to the previous mask grid Figure 5 16 Click Yes to merge the new and previous mask grids Click No to skip merging The second option Manually delineate allows the user to draw and edit a polygon mask using the manual delineation tool Figure 5 17 Manually delineate Draw Edit vertex Help once done with the drawing Figure 5 17 lf a mask grid was previously defined a prompt box will appear asking the user if the previous mask will be edited Figure 5 18 Focusing Watershed area 2 Edit the previous shape of mask area Figure 5 18 Click Yes to edit the previous mask Otherwise click No While delineating the mask the standard ArcView zoom in and zoom out UE tools can be used without closing the dialog
78. the Urban Database dialog box click the name of the urban land type to be deleted b The dialog box will be modified to display the urban data Click the button labeled Delete at the bottom of the dialog box c A prompt box will appear requesting the user to verify the delete Figure 14 82 Delete Urban Area 9 Do you want to remove the UrbanArea named Example Figure 14 82 d To continue with the delete process click Yes To abandon the delete process click No Only the new Urban data sets entered by the user can be removed from the database The user cannot remove the data sets that are included with the interface but can modify the parameters and o restore the default values To exit the Urban Database E xit a From the Urban Database dialog box Figure 42 click Exit 312 SECTION 15 THE EXAMPLE DATA SET Data for the Lake Fork Watershed in Northeast Texas has been included in the installation package as a demonstration data set The example data set is stored in the directory nstallation di AvSwatDB Example1 which can be found on the drive that the SWAT ArcView interface is installed Figure 15 1 28 Exploring Example File Edit View Tools Help Sy Example mlel All Folders J Avswat2000 a Type Modified AvSwatDB Hf amask File Folder 6 20 01 12 51 PM 1 Alls dem File Folder 6 20 01 12 51 PM Example E info File Folder 6 20 01 12 51 PM amask J landuse Fil
79. the User can be removed from the database The user cannot remove the data sets that are included with interface but can modify the parameters and or restore the default values To exit the Tillage Database a From the Tillage Database dialog box click Exit aj 303 SECTION 14 7 URBAN DATABASE To edit the Urban Database 1 Double click Urban on the list of databases Figure 14 68 A Edit SWAT databases For editing double click on the data base name User Sails User Weather Stations Land Cover Plant Growth Fertilizer Pesticide Tillage Figure 14 68 2 The Urban database dialog box will be displayed Figure 14 69 Urban area database Industrial Institutional Residential High Density Residential Low Density Residential Med Low Density Rezidential Mediumn Density Transportation Add Hew Help Exit Figure 14 69 A list of urban land types in the database is listed on the left side of the dialog box 304 3 The user has four options edit an existing urban data set add a new urban data set delete an urban data set or exit the database To edit an existing urban land type a Click the name of the urban land type to be edited b The data for the urban land type will be displayed Figure 14 70 A complete description of the parameters is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 18 Urban area database URB
80. the option of importing and using a pre digitized stream network in ArcView shape PolyLine format Once the delineation is finished a detailed report Topographic Report is added to the current project and the following resulting themes will be added to the Watershed View Subbasins Streams Outlets and optional Reservoirs See Watershed Delineation Output Data for the content of the respective table of attributes The topographic report describes the elevation distribution within the watershed or hydrologically not connected watersheds and within each sub watershed unit Subbasin The themes carry the parameters of the watershed s characterization Key Procedures e Load the DEM e Optional Define the working area Focused Area e Optional Load the stream network to be used for the delineation e Preprocess the DEM e Specify the minimum sub watershed area critical source area e Review and edit the stream network points e Run the calculation of the subbasin parameters 61 e Optional Locate the Reservoirs Note Only the DEM grid file is required for the delineation process SECTION 5 1 WATERSHED DELINEATION DIALOG BOX When a new project is created the Watershed Delineation dialog box will automatically be displayed If the dialog box is not displayed on the Avswat menu click Automatic Delineation The Avswat menu is present only in the Watershed View The Watershed Delineation dialog will open Figure 5 1
81. the subbasins 4llthe subbasins button to copy to all subbasins in the watershed If the changes are to be copied to only certain Subbasins click the Selected subbasins Se eee el ete eter ee eee ot pee eae at button to choose the subbasins When the Selected subbasins button is active a list of subbasins will be displayed Figure 12 21 f Selected subbasing k zi Figure 12 21 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the shift key while highlighting the subbasin numbers Once you have made all selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 185 SECTION 12 4 EDIT HRU GENERAL INPUT DATA HRU 1 Click Hru in the Select Input File list of the Edit Subbasin Inputs dialog box General HRU parameters dealing with surface and subsurface water flow erosion and management inputs related to the simulation of urban areas irrigation tile drains and potholes are displayed in a new dialog box titled Hru Subbasin _Landuse type_Soil name Figure 12 22 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 19 Hru 5_FRSD_PAQ22 Hru general data HAULFR 0 0222629 km km ERORGN 0 000 TORAIN 0 000 hours SLSUBBSN 60 976 m
82. user to map and chart information from the SWAT bsb and rch output files and the Delivered Load Table See Section 13 6 for a full description of this tool The Reports Menu GenScn The GenScn command allows the user to analyze the outputs using GENeration and analysis of model simulation SceNarios GenScn tool U S G S 1998 The installation package is located in Installation dir GenScn U S Geological Survey Department of the Interior 1998 A Tool for the Generation and Analysis of Model Simulation Scenarios for Watersheds GenScn Water Resources Investigations Report 98 4134 Decatur GA Reston VA 152 p 54 SECTION 4 3 PoP UP MENU A shortcut menu to several tools is provided once the user has completed all procedures in the Watershed View and activated the SWAT View This shortcut allows you to switch the current working View edit the Point Source of Discharge Inlet Discharge Reservoir and all the Subbasin inputs 1 Right click the mouse within the map display area A menu will appear Figure 4 23 Watershed View Point Source of Discharges Inlet Discharges Heservoirs Edit Subbasin Input Ayvsvwat Main nterace Dialog Figure 4 23 2 The pop up menu contains 6 items a Watershed View Selecting this option will switch the screen to the Watershed View You can return to the SWAT View using the analog pop up menu or by selecting SWAT View under the AvSwat menu contained in Watershed View
83. will be displayed in a text editor 48 The Avswat Menu SWAT View The SWAT View command activates the SWAT View SECTION 4 2 2 THE INPUT MENU The Input menu contains the commands which generate the ArcView database files used by the interface to store input values for the SWAT model Figure 4 19 displays the input menu O newl swat AYSWAT 2000 Blackland Research Center Ver 1 0 File Edt View heme Editlnput Simulation Reports Window Help a Fa E Weather Stations Ctrl B wite ll Ctrl B Wite Configuration File fig Ctrl C Write Soll Data sol Ctrl C al Weagages Wiite Weather Generator Data wgn Ctri E Wite Subbasin General Data sub Ctrl F y Subbas ins Write HAU General Data hru Chrl G Write Main Channel Data rte Ctrl H i SoilClass Write Groundwater Data gw Ctrl l Wite Water Use Data wus Ctrl J Write Management Data mat Chrl k Write Sil Chemical Data chr Chl L Write Fond Data pri Ctrl Wite Stream Water Quality Data swg Ctri M Figure 4 19 The Input Menu Weather Stations The Weather Stations command loads weather station locations and data for use The Input Menu Write All The Write All command creates ArcView tables dbf that store values for SWAT input parameters Initial SWAT ASCII input files are also generated The Input Menu Write Configuration File fig The Write Configuration File fig command creates an ArcView table fig dbf that stores val
84. 0 000 0 000 0 000 C RADINC SNOEB Jul Aug Sep Oct How Dec C HUMINC 0 000 0 000 0 000 0o00 0 000 0 000 Help Cancel OF Figure 12 18 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown 2 The data are separated into two groups the parameters listed in the upper portion of the dialog box are those that require only one value while the parameters listed in the lower portion of the dialog box next to radio buttons are those that require values for every month or elevation band The data fields for the parameters in the lower portion of the dialog box are accessed by clicking the radio button to the left of the variable name Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 12 19 will be displayed Note The parameter HRUTOT cannot be edited 183 Check CH_L1 Figure 12 19 Click OK The parameter is reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation
85. 1 forest e 10 agricultural land in orchard e 4 urban lf the threshold level for land use is set to 20 HRUs would be created for pasture forest and corn The areas of modeled land uses would be modified as follows e corn 35 re 86 x 100 41 e pasture 30 E 86 x 100 35 e forest 21 86 X 100 24 where 86 was the percentage of the subbasin originally covered by pasture forest and corn The second scale controls the creation of additional HRUs based on the distribution of the selected land uses over different soil types This scale is used to eliminate minor soils within a land use area As with the land use areas once minor soil types are eliminated the area of remaining soils is reapportioned so that 100 of the land use area is modeled For example assume that the overlay performed by the interface during the processing of the land use and soil maps identified the following soil distribution for pastureland in the subbasin e 20 Houston Black e 25 Branyon 15 Heiden 10 Austin 123 7 Stephen 6 Denton 5 Frio 4 Purves 3 Bastrop 2 Altoga 1 Eddy 1 San Saba 1 Ferris lf the threshold level for soils within a land use area is set to 10 the following HRUs will be created for this example pasture Houston Black pasture Branyon pasture Heiden pasture Austin This process is performed for every land use modeled in the subbasin The threshold levels set for multiple HRUs
86. 12 iv Select the file and click OK or double click the selection Daily Loadings If the point source loadings are to be input summarized on a le ol SASS verify that the radio button labeled Daily Records Mailu E re ee ee otf D Aly f A 1E aC wos ae ines eee is selected ae a anne section of the dialog box is now enabled Figure 9 13 Figure 9 13 This option requires the user to summarize loadings by day see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 31 151 Prior to creating the project a data table should be set up following the format specified for Daily Loadings in Section 3 3 i Click on the open file folder button L_J to the left of the text box li A prompt box will appear so that the user can specify the format of the file containing the average daily point source loadings Figure 9 14 select dBASE dbf or text file txt and click OK 3 Daily Loadings dbf file string fields bet file comma delimited Figure 9 14 iii A browser will be displayed allowing the user to select the dBASE file dbf or text file txt file containing the point source data from disk Figure 9 15 F 3 Daily Loadings hopOpep dbf fo dA hopi pop dbf gt avewal7 hop2pep db F avemwatdb hop 3pcp dbf hop4pocp dbf luc dbf nutrient dbf Figure 9 15 iv Select the file and click OK or double click the selection 3 Click E
87. 15 DEM Preprocessing Once the DEM grid is loaded the properties have been reviewed and optional themes are set click the Apply button next to the label Preprocessing of the DEM to remove sinks Preprocessing of the Dam to remove sinks Apply The interface will process the DEM map grid to remove all of the non draining zones sinks While processing the DEM a prompt box will appear Figure 5 28 Dem preprocessing option Do you want the cells on the edge of the focused area to How toward the inner celle Yes Figure 5 28 Click No if all cells on the edge of the working zone need to flow away from the zone This is the recommended choice Click Yes if the flow is calculated normally for edge cells with the edge being slightly lower than the cell A prompt box is displayed when map preprocessing is complete Figure 5 29 Click OK JI Figure 5 29 SECTION 5 3 STREAM DEFINITION In this section of the Watershed Delineation dialog box the initial stream network and subbasin outlets are defined The interface lists a minimum maximum and suggested sub watershed area in hectares which are shown in the stream definition section Figure 5 30 Stream definitio Threshold Area F00 ha gt Number of cells 1077 blir 35 836 Suggested around FOO Apply Max 5534 5 Figure 5 30 The user has the ability to set the minimum size of the subbasins This function plays an important
88. 2000 Chapter 26 li The Wwq Inputs dialog box is displayed Figure 13 20 239 42 Wwq inputs Watershed water quality data ah One day user value RHO 0300 da IGROPT Limiting nutrient TRacT 0300 ffraction Ald 50 000 wg chla mg alg KL 0750 kime mind All 0 080 mg N mg alg KN 0020 mg N Al2 0 015 mg Pema alg K P 0 025 mg Pal Al3 1 600 mg 02 mg alg LAMBDAG 7 0007 fm Ald 2 000 mg O2 mg LAMBDA 0 030 impart AI 3 500 mg 02 mg NH3 N LAMBDA2 0 054 pH 4tm ug 0 23 AlB 1 070 ma 02 mg NO2 N UMAK 2000 dap l ok Figure 13 20 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for the parameter is shown Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 13 21 will be displayed Check Al3 T Ala should be set between 1 400 and 1 800 Figure 13 21 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation dir avsw
89. 2001b published by the Agricultural Research Service and the Texas Agricultural Experiment Station in Temple Texas The SWAT model can be applied to support various watershed and water quality modeling studies Examples of such studies include the following e National and regional scale water resource assessment considering both current and projected management conditions e Bosque River TMDL in Erath County Texas The project determined sediment nitrogen and phosphorus loadings to Lake Waco from various sources including dairy waste application areas waste treatment plants urban areas conventional row crops and rangeland Numerous land management practices were simulated and analyzed Saleh et al 2000 e Poteau River TMDL in Oklahoma Arkansas This project determined sediment nitrogen and phosphorus loadings in Wister Lake and dissolved oxygen temperature algae and CBOD in the river Management scenarios regarding poultry waste were analyzed Srinivasan et al 2000 e DDT in the Yakima River basin Washington SWAT was used to simulate past and future sediment contamination by DDT in the Yakima River basin e The EPA office of pesticide registration is evaluating SWAT for use in landscape watershed scale evaluation for pesticide registration e SWAT is being used extensively in the U S and Europe to assess the impact of global climate on water supply and quality Rosenberg et al 1999 The AVSWAT 2000 ArcView ex
90. 30 a If you do not want to copy the edited main channel data to other data sets click No The changes will have been saved for the individual subbasin and no others b If you wish to copy the edited main channel data to other data sets proceed as follows In the dialog box specify the subbasins to which the edited main channel data will be copied Select the All the subbasins 4llthe subbasins button to copy to all subbasins in the watershed If the changes are to be copied to 191 only certain Subbasins click the Selected subbasing ft AAHAS button to choose the subbasins When the Selected subbasins button is active a list of subbasins will be displayed Figure 12 31 f Selected subbasing F E x Figure 12 31 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the shift key while highlighting the subbasin numbers Once you have made all selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 192 SECTION 12 6 EDIT GROUNDWATER INPUT DATA GW 1 Click Gw in the Select Input File list of the Edit Subbasin Inputs dialog box Groundwater parameters are displayed in a new dialog box titled Gw Subbasin _Landuse type_Soil name Figure 12 32 A complete description of the variables is provided in the Soil an
91. 4 3 2 SWAT ArcView Data sets DAV SWIAT TANE Wa E ee fa Figure 4 11 The directory initially specified in the text field is the directory where interface output for the project is stored the project directory This needs to be replaced with the location of the interface data directory Type in the directory path or press the L button to activate a browser Figure 4 12 watershed Figure 4 12 When searching for the directory click Up to close the current directory To open or choose a subdirectory find the name of the directory in the listing and click on it In order to change drive select the entire path and type the drive letter Once the directory path listed in the text bar is correct Figure 4 13 click OK 45 chavewal T Vavswatdb example landuse sol Figure 4 13 7 The prompt window will be shown with the selected directory Figure 4 14 If the listed directory is correct click OK SWAT ArcView Data sets E4 DAV SIWIAT TMAVSIATOBSESSMPLE 1 Figure 4 14 8 The project window will be restored to the screen SECTION 4 1 9 RETURN TO CURRENT PROJECT To return to the project window of an open project 1 On the main interface click the button beside Return to current project 46 SECTION 4 2 PROJECT VIEWS The SWAT ArcView interface creates two views the Watershed View and the SWAT View The Watershed View is used to process all maps while the
92. 41 L al ji i ri a F a0 Fi ILIE dase 2 10 ZS Od 3951 1194 7 13 LOD DE Vaal 5217 2 41 40 23 1 116 7423 i i 30 F4 z iii dead 2 10 Pood 3 Ares acrea Pat doen Seb broa eee ue k ne k eil E ee ee 1 ee ee ee oma od i Pull femme mle jell cml ml sam ml el es el as j Mai Mi Ms l eed l Ben k bai mli a a Le b ml mk d y ad Ti aed T a E FFD FAI FFM BE TaD FRG AET EE FFD B01 7200 ITSE EA EEN FFE Ie S FESD 15005745 FRAD TSG BMS AGAL TG SS AGAL EET FAD EA FRN BETE S WEITE FSD EAA BATEE AAL ANE TES AGAL as Pra ait aa FRc NAFA AGAL 661 7568 FAD T E FN oe See MAL Gi Ti AG FIL TRR FAN HESS FI TRIES AGAL HETS HIAL WEEE FAD 10 ESE FRAD TUDE ALL TAE AGL ECE AD AEA FAD NENE SAL HEME OAL Figure 6 58 a Puai TAIRI PATA 14605 Ptt TE Sete PYG cis ors PALE pipart PAGS TINENT PII TIESA PAES PENE Paris He ot PAPE Oey PAS E PATA ier Sg Pali ihora pali LOTA PAED 7 050 PREG ED Pari Tate Pe fore Puli 1365 10 PaT Hio PAGS 22 Ota Pa TERS Fa KOGE PAGE 1 TIE Pugs 3077706 PAO meTag Paz ro 4S PAS rn wii PUGS HA1 PATE ESSE PAGS rl PATE TS Teo PAIT rawi FAFE TIE Ea PAT HESS PAES IET aE T 965 1505 Prd PTEE EAS TEIT Pe Era ee AE Tee ETE imaga MET iisti Fn iS iba Feet TERE E EDHE Tei 1 PEL EE Tiii
93. 6 Click OK to proceed ii If the mouse cursor was located over a subbasin with no inlet discharges when right clicked a message box will notify the user Figure 4 28 Inlet Discharges There are not Inlet of watershed Discharges draining into the subbasin 1 Figure 4 28 Click OK to proceed iii If the mouse cursor was located over a subbasin with inlet discharges when right clicked a dialog box will display the subbasin inlet discharge data Figure 4 29 f2 Inlet Discharges data Subbasin 4 nil Sebe a AnnualAecerd f HonlhyRecoide C Dap Record Wiener Flow ii rnc Sediment 00 fant rgaric Ninogen nan kal Digare Phoaphonis a0 kgl Hinaie OS Not Egl Mineral a oluble Plicephicais uw lkol Ammonis MHZ gomo Fol Hirie t02 ggg dkg Consavalre Hetal H ooo uu ikal Conseuatioe Metal H2 P ooo lEol Conservative Healt o E lkal Permsten fadma ooo I scent Lass Persitent Bachetia O00 tbem fee ee me Ly SS eet Ref aye ar rite ie Leos T a ie ae Figure 4 29 This is the same dialog box that is accessed by clicking Inlet Discharges under the Edit Input menu See Section 10 for more information about the dialog box d Reservoirs i If the mouse cursor was located outside the watershed when right clicked a message box will notify the user Figure 4 30 57 Figure 4 30 Click OK to proceed lf the mouse cursor was located over a sub
94. 6 0057 TIGH 4d4ibg 426 SOL PAOGS 2134 0705 Jro 7i 366TF iz 67 PAIGE feed EFI Bq S GEG LO 4dz PAOGE 1727 2421 176E LOLS a 0z FAIZ BLS 0549 Z07859 0043 13 04 Aree he Ares corsas Sat bees SSub bees SUBBAECH 1655 4907 2361 L084 7 23 LAHONEE Forst Deciducns Fran 620 522 1533 3416 7 93 19 92 Forest gt FEST 7a 20597 1171 7559 z al 10 43 kgrioultiursl Land Generic AGEL ge G24 1107 2340 05 2BL7E Teduatrisl gt TION LS 67d SE 7371 O 0F 1 01 SOIL FATE 1441 41 J660 661 BOF 36 05 FAISE TF OFEA LPO 4672 0 96 1 96 Figure 6 51 4 Once the overlay process is complete the user may proceed with determination of hydrologic response units HRUs SECTION 6 2 HRU DISTRIBUTION Purpose Once the land use and soil data layers have been imported the distribution of hydrologic response units HRUs within the watershed must be determined The HRUs Distribution command in the Avswat menu allows the user to specify criteria used in determining the HRU distribution One or more unique land use soil combinations hydrologic response units or HRUs can be created for each subbasin Application subdividing the watershed into areas having unique land use and soil combinations enables the model to reflect differences in evapotranspiration and other hydrologic conditions for different land covers crops and soils Runoff is predicted separately for each HRU and routed to obtain the total runoff for the watershe
95. 7129 1EM B Ae AS PAGS 1 A 128112 iaa BAS San A ANE 1511953 665 S58 STA 124483 ase S19 114 575 Figure 13 55 C Swaldiab Oyn Neuen Sethecin T Swa Hsb Ongn Msurg Subbasin 55 Hackianmi Heseaerch Lenter Yer 1U DAL aa BE amp SAWAT View W orgn kghha BB surg kohta Eo a oe The graphic capabilities of ArcView are adequate for basic data presentation For more sophisticated graphs the SWAT output should be imported into a separate graphics 260 fo Seeboub Oigh kgh hal ioe ONT 02 OBS 1320 138 Door 2I 27 _ zei7 9 055 j edinantY iak Hha 040 aie OSB 12 iir 10d z20i daz EEUE T Bol P Hafid C Jen oin O03 oe O05 0 OF O07 0 fo Of 0 5 G o F barra OOS4 0 1 nackaaqe byad Oigm Heung Subba 55 Swet Bss Oigm Msurg Subbasin SA Swat Beb Oige Subbasin 55 Sia Bab Prop Eta pid Subbarin 55 Eyvet Ees Soin Subbern 56 Stat Ets Syd Swabs o Svet Cich Sid Subba Ya Gwak Harg Subbasn 2 Swet Ok RSi Subbasn 2 Gaat ASau Subbasin 7 Biet OP Sedo 5ubbasir 2 Svat Ok Dd Dibben 2 Fat OR otal Sal Orn Orgp Subba 15 Swak ele Spi Orn Orp Subbarin 52 SECTION 14 SWAT DATABASE EDITORS Purpose The SWAT model uses five databases to store required information about plant growth and urban land uses tillage fertilizer components and pesticide properties See Soil and Water Assessment Tool User s Manu
96. A list of tillage implements in the database is displayed on the left side of the dialog box Figure 14 61 299 3 The user has four options edit an existing tillage data set add a new tillage data set delete an existing tillage data set or exit the database To edit an existing tillage operation a Click the name of the tillage data set to be edited b The data for the tillage operation will be displayed Figure 14 62 A complete description of the parameters is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 15 amp 2 Tillage database x BED ROLLER CHISEL PLOW BEDDER DISK CHISPLO W BEDDER DISK HIPPER 0 300 BEDDER DISK ROW BEDDER SHAPER BEET CULTIVATOR BLADE 10 FT COULTER CHISEL PLOW CRUST BUSTER CULTI MULCH ROLLER CULTI PACKER PULYERIZER CULTIMEEDER Figure 14 62 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation is shown c Edit data Activate a cursor by clicking the text box Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 14 63 will be displayed 1 Check EFTMIX 300 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the de
97. ATSGO data for three states Texas Pennsylvania and Wisconsin are loaded when the interface is installed Data for other states can be downloaded from the SWAT website and loaded following the directions provided in Section 2 Information on the User Soils database is provided in Section 14 The interface allows map categories to be linked to the soil databases in one of five ways The database and linkage options are defined by the soil option radio buttons Figure 6 38 Options Stmuid C S5id Name Stmuid Seqn Stmuid Name Figure 6 38 113 To link to the User Soils database the Name radio button is selected To link a STATSGO map to the STATSGO soil database the Stmuid Stmuid Seqn or Stmuid Name radio buttons are used STATSGO maps are general soil distribution maps STATSGO map associations or polygons are comprised of many soil series The Stmuid button will assign data for the dominant soil series in the STATSGO polygon to HRUs The Stmuid Seqn or Stmuid Name radio buttons provide users with methods to assign data from a soil series other than the dominant to HRUS To link a soil series or Soils5 map to the STATSGO database the S5id radio button is selected As for landuse the attribute data required to link the map categories to soil information in one of the two databases may be entered manually or loaded from a look up table Manually assign soil attribute data To manually assign soil attribute
98. Average daily loading of less persistent bacteria for the oating point 112 3 ay bact 1 00m Note An example daily point discharge table is in Installation dir avswatdb exinputs pointsdaily dbf ASCII txt Table Format Field format yyyymmdd string Starting day of data All other lines 13 floating point f12 3 Set of daily discharge data From left to right FLODAY fe ca ae ee SEDDAY ORGNDAY ORGPDAY NOSDAY i g MINPDAY NH3DAY NO2DAY CMTL1DAY elimite CTML2DAY CMTL3DAY BACTPDAY BACTLPDAY The daily records must be listed in sequential order Note An example daily point discharge table is in Installation dir iavswatdb exinputs pointsdaily txt 32 Reservoir Monthly Outflow Data Table dBase or ASCII One option allowed to define reservoir outflow is to provide average daily outflow values for every month of simulation This section describes the format of the reservoir monthly outflow data table The table may be formatted as a dBase table or as a comma delimited text Field name ieia to format YEAR Year of measured data RESOUT1 floating point f10 1 Measured average daily outflow for January n s RESOUT2 floating point 110 1 RESOUT3 floating point 110 1 RESOUT4 floating point f10 1 RESOUTS _ tloating point 110 1 Measured average daily outflow for April n s RESOUTS floating point f10 1 RESOUT7 floating point f10 1 Measured average daily outflow for
99. Azinphos Hethyl HLIFE 60 00 daps BHC AP EF O75 fraction Bendiocarb wenol 33 000 ma Benetin Benomyl Bensulide Default Add New modify Add New Help E wit Figure 14 53 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation is shown c Edit data Activate a cursor by clicking in the text box Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 14 54 will be displayed Check WOF T WOOF must be set between 0 00 and 1 00 Figure 14 54 294 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difnavswatdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf d Once all editing changes have been made click Exit et e A prompt box appears Figure 14 55 Do pou want to save the changes to the
100. Bell Pepper Bermudagrass Big Bluestem Broccoli Cabbage Cantaloupe Carrot Cauliflower Add New Help E sit Figure 14 28 A list of land cover plants in the database is displayed on the left side of the dialog box 278 3 The user has four options edit an existing land cover data set add a new land cover data set delete an existing land cover data set or exit the database To edit an existing land cover dataset a Click the name of the land cover plant to be edited b The data for the land cover will be displayed Figures 14 29 A complete description of the parameters is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 14 k Land Cover Plant Growth database E T Agncultural Land Close grown L_ aoar aar s E E Agricultural Land Generic Agricultural Land Row Crops Alamo Switchgrass Alfalfa Alsike Clover Altar wilde e a am i co Asparagus Ball Pepper Bermudagrass Big Bluestem Broccoli Cabbage Cantaloupe Carrot o 0 001 Cauliflower p 000 a S f o oa So ea SS Gy cy ow J A Coy Oal cop co cy on co i i Figure 14 29 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation is shown c Edit data Activate a cursor by clicking in the text box Type the desired value You can move to the next
101. Chemical data Soil Nutrient Data By Layer Sol Pesticide Data SOL_NOS 0 00 mg kg SOL_ORGN 0 00 mg kg SOL_LABF 0 00 mg kg SOL_ORGP 0 00 mg kg Up EE Down Layer Figure 12 74 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown The soil chemical data is divided into two groups The group of parameters in the section of the dialog box labeled Soil Nutrient Data By Layer define levels of nutrients in the soil layers The parameters in the portion of the dialog box labeled Soil Pesticide Data allow users to specify pesticide levels in the soil Edit nutrient data a The layer number of the data displayed in the text fields is listed in the text ps Mm box between the Up and Down buttons Layer The 217 different layers in the soil profile can be accessed by clicking these buttons b Once the desired layer number is displayed activate a parameter text box by clicking on it Type the desired value in the text box You can move to the next parameter by pressing the Tab key c If the parameter is out of range a message box like the one in Figure 12 75 pops up 2 Check SOL_LABP Figure 12 75 Click OK The parameter is reset to the original value or to the closest range limit 4 Edit pesticide data To add a pesticide a Click the Add Pesticide b
102. Continue Figure 12 14 Click No to abort the importing procedure To continue with the load click Yes A browser will be displayed Figure 12 15 180 Z Specify File O A hartford wan A inapolis wgn Text Files won 7 Figure 12 15 Select the weather generator input file wgn to be loaded and click OK or double click the selection The data will fill the fields in the dialog 3 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box may pop up like the one described above in Step 2a Click OK and return to editing and correct the values 4 If the user saves the modified values once the values are saved for the subbasin by clicking the OK button in Step 3 a new dialog box will be displayed allowing the user to copy the modifications to other subbasin data sets Figure 12 16 Q Won Subbasin 5 Figure 12 16 181 a lf you do not want to copy the edited weather generator data to other data sets click No The changes will have been saved for the individual subbasin and no others lf you wish to copy the edited weather generator data to other data sets proceed as follows In the dialog box specify the subbasins to which the data will be copied Select the All the subbasins 4llthesubbasins button to copy to all subbasins in the watershed If the changes are to be
103. Definition of the LandUse Soil distribution f Dominant Land Use and Sail Multiple Hydrologic Response Units Figure 15 36 Select Dominant Land Use and Soil and click OK 335 3 6 A message box will be displayed notifying the user when setup of HRUs is completed Click OK A second message box is displayed notifying the user that the SWAT View is now active Click OK The interface will automatically switch to the SWAT View A report is generated during the HRU creation process To access the report select Show List under the Reports menu From the list of reports select SWAT model LandUse and Soil Distribution after threshold application and click OK The total number of HRUs created in the watershed is listed in the top section of the report in bold letters The remainder of the report lists the land use and soil modeled in every subbasin and the percent area distribution of 1 subbasins within the watershed and 2 HRUs within the subbasins Close the report after viewing SECTION 15 1 4 WEATHER STATIONS 1 To load the example weather data click Weather Stations under the Input menu Figure 15 37 2 lakefork swat AYSWAT 2000 Blackland Research Center Yer 0 9 File Edit iew Theme Edit Input Simulation Reports Window Help ee ENE Weather Stations Ea ORS eee E SWAT View af SoilC lass D 1x236 T357 C T19 T620 T633 SwatLandU s eC lass D RL L FREb D PAST
104. EM dialog box will automatically minimize and the Watershed View will be redrawn showing the added points Manually Editing Outlets and Inlets Outlets and inlets may be manually edited using the following steps Adding Outlets 1 In the Outlet Definition section of the DEM dialog box make sure the Outlet radio button is selected let Dutt 82 2 Click the 4 button 3 The Watershed Delineation dialog will be minimized Move the cursor to the desired location s and click the left mouse button An outlet point will automatically snap to the closest stream line and the feature will be added to the Outlets theme 4 When all desired outlets have been added maximize the dialog box Adding Inlets 1 In the Outlet Definition section of the DEM dialog box make sure the Inlet radio button is selected MSH Outlet 2 Click the Add button 3 The Watershed Delineation dialog will be minimized Move the cursor to the desired location s and click the left mouse button A dialog box will open Figure 5 37 providing two options Point discharge and Inlet of Draining Watershed 42 Adding an Inlet point Inlet options Point Source of discharge Inlet of a Draining Watershed Figure 5 37 4 Select the inlet type The inlet point will automatically snap to the closest stream line and the feature will be added to the Outlets theme 5 When all desired inlets have been added maximize the
105. ESULTS The second command in the Simulation menu allows the user to process the ASCII outputs of SWAT in order to make ArcView standard dBASE tables Only the ASCII output files in spreadsheet format are loading into dBASE tables see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 32 a D C d e HRU Output File sbs loaded only when yearly print frequency is selected Subbasin Output File bsb Main Channel Output File rch HRU impoundment output file wtr optional Reservoir Output File rsv optional The other SWAT output files can be viewed using the Show list command under the Reports menu 1 i SWAT View select Read Results from the Simulation menu or press Cmd B Figure 13 31 2 newl swat AVSWAT2000 Blackland Research Center Ver 1 0 a D View Theme se spell THE Reports Window Help ta Ih niig Run SWAT Crid 4 Read Results Cmd E Calibration T ool Cmd C Make Delivered Load Table Cmd E al Weeagages E al Tempgages ih Figure 13 31 a If the Calibration Tool was not used and the model did not run a calibration scenario see next section the reading routine builds and displays the output tables Figure 13 32 246 EEL iF Bigi J 1 ray TE r gat a ar ee il ert an ac SIPE TIH E JLE TIE PLUE Cok Teet ma ti it TTEN T f TArt i ae A i a o ee cs ee i iNi wees a H ae j ES TLE au lame 1 Pa yaa awe Figure 13 32
106. Ea Crop Mame Crop is Fertilized CPNM 4 character BN1 0 0600 kg Nvkg biomass IDC Perennial lequme BN2 0 0280 ko Mrkg biomass BIO_E 25 00 kgfhal MrrF BN3 0 0240 kg Mrka biomass HYSTI 0 90 kg hal ko hal BPI 0 0060 kg P kg biomass plat 400 m r BP2 0 0025 kg P kg biomass FRGRYW 0 15 fraction BP3 0 0025 kg Pkg biomass Lame f 0 01 fraction WYF 0 900 ikg ha kg ha FRGR W2 0 50 fraction Use C 0 003 LaIMe 2 f 055 fraction asi 0005 m s DLA O75 heat units heat units YPDFR 4000 kF CHT M 090 Im FA GMA 0 750 fraction DMX f zon Imi wave 10 000 rate tort 1500 rC CO2HI 660 000 pui T BASE mor rc BIDEHI 30 000 ratio ENYLD 0 0600 ko Nykg seed SOCO PL OOS fraction CPYLD 0 0040 ka Frka seed Save Cancel Help Figure 14 37 d Enter a new land cover name and a four character code and modify the other data fields e Click Save to store the modified land cover data or click Cancel to exit the editor without saving f The CROP Hydrological Parameters dialog box is displayed when data for a new land cover plant is saved Figure 14 38 a CROP Hydrological Parameters Cropname Corr CPHM CORN Hydrological Group A 67 00 GE B 700 C Dv N Rap D 87 00 Manning s Roughness Factor n Table SCS Runoff Curve Table Figure 14 38 284 The user must define a default Manning s overland n value an
107. Figure 10 9 i Average Annual Daily Loadings hopOpep dbf foo dA hopi pep dbt gt avwa hop2pcp dbf gt avswatdb hop 3pcp dbf ge example hop4pcp dbi aS C amask luc dbf 9 dem nutrient dbf ce info Figure 10 9 iv Select the file and click OK or double click the selection Average monthly daily loadings If the inlet discharge loadings are to be input as average daily loadings summarized 0 on a Mites basis verify that the radio button labeled Monthly Records Monthly Reco cards ig selected The Average Monthly Daily Loadings section of the dialog box is now iG e ve Figure 10 10 This option requires the user to Summarize average daily loadings by month see the Soil and Water Assessment Tool User s Manual Version 158 2000 Chapter 31 Prior to creating the project a data table should be set up following the format specified for Monthly Loadings in Section 3 3 Click on the open file folder button LE to the left of the text box A prompt box will appear so that the user can specify the format of the file containing the monthly inlet discharge loadings Figure 10 11 select dBASE dbf or text file txt and click OK 3 Average Monthly Daily Loadings dbf file string fields bet file comma delimited Figure 10 11 iii A browser will be displayed allowing the user to select the dBASE file dbf or text file txt file containing the inlet disc
108. July nt s RESOUTS floating point 110 1 RESOUT9 floating point 110 1 RESOUT10 floating point f10 1 RESOUT11 floating point f10 1 Measured average daily outflow for November nt s RESOUT12 floating point f10 1 Measured average daily outflow for December n s Measured average daily outflow for October a Note An example reservoir monthly outflow table is in Installation dir avswatdb exinputs resmonthly dbf ASCII txt Table Format The ASCII table format for monthly records will be a comma delimited text file with the same data reported above for the dBASE format The first line of the file will contain the field names while the remaining lines will contain the monthly reservoir outflow Note An example reservoir monthly outflow table is in Installation dir avswatdb exinputs resmonthly txt 33 Reservoir Daily Outflow Data Table dBase or ASCII One option allowed to define reservoir outflow is to provide outflow values for every day of simulation This section describes the format of the reservoir daily outflow data table The table may be formatted as a dBase table or as a comma delimited text table dBase dbf Table Format 2 fields Field name Field format Definition DATE date yyyyMMdd RESOUTFLOW floating point f8 2 Water release rate for the day m s Note An example reservoir daily outflow table is in Installation dir avswatdb exinputs resdaily dbf ASCII tx
109. Land Close grown 7 0 000 0 00 0 000 a aa aE Figure 12 49 e The fields in the dialog box will vary depending on the type of operation added and the scheduling method used in the HRU Figure 12 49 shows the input parameters for a plant operation Figure 12 50 displays the input parameters for an irrigation operation Figure 12 51 displays the input parameters for a fertilizer application Figure 12 52 shows the input parameters for a pesticide application Figure 12 53 shows the input parameters for a tillage operation Figure 12 54 displays the input parameters for a harvest only operation Figure 12 55 displays the input parameters for a grazing operation Figure 12 56 shows the input parameters for an auto irrigation operation Figure 12 57 shows the input parameters for an auto fertilization operation Figure 12 58 shows the input parameters for a harvest and kill Operation Figure 12 59 shows the input parameters for a kill operation Figure 12 60 displays the input parameters for a street sweeping operation and Figure 12 61 displays the input parameters for a release impound operation 205 amp Add Operation MGT_OP Irigation operation Month February Day IRA AMT o 000 IRA SALT 0 000 Help Cancel Save Figure 12 50 2 Add Operation MGT_OP Fertilizer application Month laruay oF Day 1 FERTIO 00 06 00 ae FRT_L 1 0 000 FAT_KG 0 000 Figure 12 51 amp Add Operation
110. Manure FORGH 0 000 ko org Nekg fertilizer f eerererercerrerreecrrrereeeeceeeeeeeece eee FORGP 0 000 kg org Pkg fertilizer i a e N A NER Goat Fresh Manure BACTPOB OPTIONAL o 000 bactena kg manure Horse Fresh Manure BACTLPDE OPTIONAL c 000 bacteria kg manure Laper Fresh Manure BACTKDOB OPTIONAL 0 000 fraction Sheep Fresh Manure PREM l Manure Siwine Fresh Manure Default Add New Mots Add New Help E sit Figure 14 44 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation is shown c Edit data Activate a cursor by clicking in the text box Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 14 45 will be displayed 288 Check FMINN Figure 14 45 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng
111. NAMeE UCOM Industrial Institutional FIMP 0 670 Residential High Density FCIMP 0 620 Residential Low Density CURBDEN 0 280 Residential Med Low Density UFBCOEF 0 180 Residential Mediunm Density DIRT RA 500 O00 Transportation THALF 7 600 TNCONC 420 000 TPCOHC 240 000 Default Add New Modifi Add Hew Urban Mame Commercial 4 character fraction fraction kmha 1mm ka curb krm days ma Hkg sed mg Frka sed mg NO3 N7kg sed Help Exil Figure 14 70 If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation is shown c Edit data Activate a cursor by clicking in the text box Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 14 71 will be displayed Check FCIMP Figure 14 71 305 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difnavswatdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manua
112. Plant Growth dialog box click Exit _e 286 SECTION 14 4 FERTILIZER DATABASE To edit the Fertilizer Database 1 Double click Fertilizer on the list of databases Figure 14 42 A Edit SWAT databases For editing double click on the data base name User Soils User Weather Stations Land Cover Plant Growth Pesticide Tillage Urban Figure 14 42 2 The Fertilizer database dialog box will be displayed Figure 14 43 Fertilizer database eee COTE 02 09 00 03 06 00 04 08 00 05 10 05 05 10 10 05 10 15 06 24 24 07 00 00 07 07 00 08 08 00 08 15 00 Add Hew Help E sit Figure 14 43 A list of fertilizers manure in the database is displayed on the left side of the dialog box 287 3 The user has four options edit an existing fertilizer add a new fertilizer delete an existing fertilizer or exit the database To edit an existing fertilizer a Click the name of the fertilizer to be edited b The data for the fertilizer will be displayed Figure 14 44 A complete description of the parameters is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 17 Fertilizer database 46 00 00 Fertilizer Hame Elemental Hitrogen Anhydrous Ammonia FERTNKM Elem H 8 characters Beef Fresh M EENAA Manure ERIN 1 000 kg min Neko Fertilizer FINE gogo kg min Feka fertilizer Eroiler Fresh Manure Dairy Fresh Manure Duck Fresh
113. RGN ooog kg org Mka fertilizer FORGP C000 kg org Pkg fertilizer FNH3N 000 kg NH3 N kg min N BACTPOB OPTIONAL C 000 Hbactera kg manure BACTLPDB OPTIONAL 0o00 bactera kg manure BACTRODE OPTIONAL 0 000 fraction l Manue T Save Cancel Help Figure 14 49 d Enter a new fertilizer name and character code and modify the other data fields e Click Save to store the modified fertilizer data or click Cancel to exit the editor without saving 291 f The user is returned to the original Fertilizer Database dialog box The list of fertilizers in the database will include the name of the fertilizer just added To delete a user defined fertilizer a From the Fertilizer Database dialog box click the name of the fertilizer to be deleted b The dialog box will be modified to display the fertilizer data Click the Delete button labeled Delete at the bottom of the dialog box c A prompt box will appear requesting the user to verify the delete Figure 14 50 Delete Fertilizer G Do you want to remove the Fertilizer named Example Figure 14 50 d To continue with the delete process click Yes To abandon the delete process click No Note Only new Fertilizer data sets entered by the user can be removed from the database The user cannot remove the data sets that are included with the interface but can modify the parameters and or restore the default values To ex
114. SCL SAND 8589 ant ROCK 1 28 total weight SOL_ALB 0 06 fraction USLE_K 0 17 0 013 t r hreim t em Load Sal SOLEC 0 00 dS m Help Figure 12 4 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for the parameter is shown The data are separated into two groups the first set of parameters pertaining to the soil profile and displayed in the box labeled By Soil The second group of parameters pertains to a particular soil layer and is displayed in the box labeled By Layer The layer number is displayed at the bottom between the Up and Down buttons Layer Data for different layers in the soil profile can be accessed by clicking these buttons 173 a Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 12 5 will be displayed Check ANION_EXCL Figure 12 5 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The
115. TION In this section of the Watershed Delineation dialog box the user may refine the stream network and outlet configuration Drainage inlets and sub watershed outlets may be added deleted or redefined Figure 5 32 Outlet and ail ry Odd by table C Inet Outlet gt Ea re Figure 5 32 Sub watershed outlets are the points in the drainage network of a sub watershed where streamflow exits the sub watershed area Adding outlets at the location of monitoring stations is useful for comparison of measured and predicted flows and concentrations There are two types of drainage inlets a point source discharge or the outlet of a draining watershed The second type of inlet is used when a portion of the watershed area is not directly modeled with SWAT For both types of 79 inlets the user provides discharge data records The inlet discharge is routed through the stream network Inlets and outlets may be added to the stream network by importing a predefined table or manually clicking the mouse over the map on the screen Two radio buttons allow you to switch the current definition between inlets amp 4 and outlets Inlet f Dutlet The legend for the Outlets theme in the Watershed View Figure 5 33 distinguishes the types of inlets outlets added to the view 4 Outlet Table added Point Source Table added Draining Watershed Inlet Linking stream added Outlet Table added Outlet Manually added Foint Source Permit C
116. Table Cmd D a weas gages Figure 13 35 2 The Calibration Set Up dialog box is displayed Figure 13 36 248 Calibration Set Up Figure 13 36 The user may create a new calibration scenario or load a previously saved scenario Create a new scenario a Click the New New Scenario button in the section of the dialog box labeled b Type name for the scenario in the text box labeled New Name c Press the Enter key on the keyboard Load an existing scenario a Click the Load 44 button in the section of the dialog box labeled Scenario b A list will be displayed showing all available scenarios Pr tt r EEEN eet eet be E E a Te c Select the desired scenario from the list Once a scenario is created or loaded a table of SWAT input parameters will be enabled Figure 13 37 249 8 Variation Lower Upper Input File Parameter z Value Limit Limit NPERCO Basin Input bsri U U U Basin Input bsn PPERCO 0 U 10 ZU Basin Input ban PHOSED U U i00 00 i Chemical chm SOL_LABP JO 0 0 100 Chemical chm SOULLURGH 0 0 0 10000 Chemical chm sS L_0RGF 0 0 4000 Chemical chm SOL_NO3 0 0 0 200 Figure 13 37 This table lists 27 SWAT input parameters The name of the parameter and the related SWAT input file are listed in the table The user can change the value of any of these parameters alone or in combination
117. UseSwat Figure 6 49 E SWAT Land Use i HOCL represents Mot Classified land use class Flease replace this land use class Figure 6 49 If this message box appears click OK replace the NOCL codes with SWAT land use codes and reclassify 2 A message box signals the end of the overlay process Figure 6 50 Figure 6 50 3 A report named SWAT model LandUse and Soil Distribution is generated during the overlay process Figure 6 51 This report provides a detailed description of the distribution of the landuse and soil classes in the watershed and all the sub watersheds To access this report click on Reports under the Avswat menu Select SWAT model LandUse and Soil Distribution and click OK 119 E DEAT mai Landliee md Sa abuke BHE Teetei led LANDES SOIL distributii SUAT mods olsee Fri De 01 01 28 51 7000 Ares bs Ayes acres Be ter eieed 1545 173 Sa2ar LEFI ires he Ares Sore Wat bres LAHONEE Patar gt WATA 172 2057 252 566 0 47 Corn gt CORA 1 3771 1 GERA 0 01 Commercial TWH 104 7416 257 SEZ 1 43 Forzi Decoiduceas FRED L1130 7864 er GOd F269 51 65 Forest Evergresn FREE eho pr id ELITE 2648 L1 60 Farest gt FEST 738 1847 1az4 0903 2 43 kgrioultursl Land Generic AGEL Ba JL s 13425 4970 26 21 Ledueerisl TION 57 7036 Lac 56085 2 37 Transportation UTEK bee 52k 1230 0343 GL Residentisl Hediun Density TEHNI 71
118. User s Manual Version 2000 Chapter 28 When the data files have been written a message box will pop up Figure 8 24 Ge Completed the pnd files Figure 8 24 Click OK to proceed From the Input menu select Write Stream Water Quality Data swq or press Ctr1l N This selection generates the subbasin stream water quality data see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 27 When the data files have been written a message box will pop up Figure 8 25 i Completed the swg files Figure 8 25 Click OK to proceed When all of the default inputs have been generated you can move to the Simulation menu and make a SWAT run See Section 10 or edit the default inputs using the editors activated under the Edit Inputs menu See section 9 145 SECTION 9 INPUT MODIFICATION POINT SOURCES The Edit Input menu is one of four new menus introduced in the SWAT View The Edit Input menu allows you to edit the SWAT model databases and the watershed database files containing the current inputs for the SWAT model Select the Edit Input menu using the mouse or by pressing the ALT D keys Five items are listed on the Edit Input menu Figure 9 1 i new swat AYSWAT Z000 Blackland Research Center Yer 1 0 File Edt View LE ale Simulation Reports samdo Help ee eee ee faias Ctrl 0 Wee Bes Point Source Discharges Ctrl 1 i Ps Ea Pe Inlet Discharges Ctrl 2 es Reserv
119. WAT model databases and the m2 new swat AYSWATZO000 Blackland Research Center Yer File Edt Yiew iene rput almulation Reports sisal Help DE marl Databases Ctri 0 lsa Ezi F Point Source Discharges Ctrl 1 Inlet Discharges Chrl Heservoirs Chrles Subbasins data Ctrl 4 al Wea gages watershed database files containing the current inputs for the SWAT model Five items are listed on the Edit Input menu Figure 4 20 Figure 4 20 51 The Edit Input Menu Databases The Databases command allows the user to access the SWAT model databases from within a project The Edit Input Menu Point Source Discharges The Point Source Discharges command allows the user to access define the point source loadings for all subbasins with point source discharges The Edit Input Menu Inlet Discharges The Inlet Discharges command allows the user to access define loadings for upstream sections of the watershed not directly modeled in the current project The Edit Input Menu Reservoirs The Reservoirs command allows the user to access edit input parameters for any reservoirs located within the watershed The Edit Input Menu Subbasins Data The Subbasins Data command allows the user to access edit input parameters for land areas channels ponds wetlands and groundwater systems within the watershed SECTION 4 2 4 THE SIMULATION MENU The Simulation menu is one of four new menus introduced in the SWAT View Th
120. a North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming 345
121. a SWAT simulation using measured weather data weather simulation information is needed to fill in missing data and to generate relative humidity solar radiation and wind speed The example data set uses weather generator data loaded into the custom database Click the radio button next to Custom data base A text box will appear at the bottom of the Weather simulation data section Click beside the text field A browser will appear Select the name of the weather generator Stations location table from the list wgnstations dbf and then click OK The locations of the weather generator stations will be displayed as stars 6 Once the weather generator data is loaded a button labeled OK will appear at the bottom of the Weather Data dialog box Click this button The interface will assign the different weather station data sets to the subbasins in the watershed 7 A prompt box will appear when processing of the weather data is complete Click OK SECTION 15 1 5 CREATE ARCVIEW DATABASES amp SWAT INPUT FILES 1 On the Input menu click Write All Figure 15 40 A lakefork swat AYSWAT2000 Blackland Research Center Yer 0 9 File Edit View Theme Edit Input Simulation Reports Window Help a am KJ 3 Weather Stations 6 o eA Write All Write Configuration File fig Ctrl C vv SwatLandUseClass GE arr Figure 15 40 338 This creates the ArcView databases and SWAT input files containing default s
122. a table for every location listed in the wind speed location table The name of the wind speed data table is name dbf or name txt where name is the character string entered for NAME in the wind speed gage location table This table may be formatted as a dBase table or as a comma delimited text table dBase Table Format 2 fields Field format DATE date mmdd Day of measure floating point f8 3 Daily average wind speed m s ASCII txt Table Format Field format yyyymmdd string Starting day of data All other lines floating point f8 3 string number Daily average wind speed m s The daily records must be listed in sequential order The wind speed data tables must be placed in the User Data directory see Section 4 1 8 28 Relative Humidity Data Table dBase or ASCII The relative humidity data table is used to store the fraction relative humidity recorded at a specific weather station This table is required if the Rel Humidity gages option is chosen for relative humidity data in the weather data dialog box There will be one relative humidity data table for every location listed in the relative humidity location table The name of the relative humidity data table is name dbf or name txt where name is the character string entered for NAME in the relative humidity gage location table This table may be formatted as a dBase table or as a comma delimited text table dBase
123. a viite sol Chemical Data tahmil Eiir wite eond Gatal pral iEn viite steam water Huat Wate stag Erit i kdl 4 Streams if al SoilC lass yy T2857 C T6419 Figure 8 2 a The Write All Inputs dialog box will appear to verify that all input is to be generated at once Screen 8 3 Click No to abort Click Yes to proceed Write All Inputs Go Are you sure you want to write all the input data Figure 8 3 b The Current Status of Input Data message box that lists the different databases being generated appears Figure 8 4 As each database is completed a check mark appears next to the database name and a beep sounds 136 2 Current Status of Input Data kaj a a a m m a a 7 Figure 8 4 c When writing of the sub subbasin general input database begins a prompt box appears Figure 8 5 offering two options for defining Manning s roughness factor for the tributary channels in all subbasins Manning s n for all the tributary channels Figure 8 5 Click No to accept the default value 0 014 Click Yes to open the Manning s Roughness Factor n dialog Figure 8 6 137 Manning s Roughness Factor n Manning s n O 014 Eden Default Minimum Maximum Time Few trees stones or brush 0 05 0 025 0 065 E F Heavy timber and brush O14 0 05 015 OverLand Flow oe Channel Flow Condition Escavated or dredged Hatural streams Cancel OF Figur
124. abase Tillage Database Urban Database 119 120 128 135 136 141 146 154 162 171 173 179 183 186 193 197 200 217 223 22 231 231 246 248 254 257 261 263 270 278 287 299 304 Section 15 The Example Data Set 15 1 Create SWAT Run with Example Dataset 15 1 1 Processing the Elevation Map Grid 15 1 2 Processing the Land Use Soil Map Grids 15 1 3 Land Use Soil Distribution 15 1 4 Weather Stations 15 1 5 Create ArcView Databases amp SWAT Input Files 15 1 6 Run SWAT 15 1 7 View Results Appendix 1 Watershed Delineation Output Data Appendix 2 State FIPS Codes 313 314 319 329 335 336 338 339 340 343 345 SECTION 1 INTRODUCTION Purpose AVSWAT 2000 version 1 0 Di Luzio et al 2002 is an ArcView extension and a graphical user interface for the SWAT Soil and Water Assessment Tool model Arnold ef al 1998 SWAT is a river basin or watershed scale model developed to predict the impact of land management practices on water sediment and agricultural chemical yields in large complex watersheds with varying soils land use and management conditions over long periods of time The model is physically based and computationally efficient uses readily available inputs and enables users to study long term impacts For a detailed description of SWAT see Soil and Water Assessment Tool Theoretical Documentation and User s Manual Version 2000 Neitsch et al 2001a
125. able SCS Runoff Curve Table Figure 14 34 The user must define a default Manning s overland n value and default curve numbers that will be used by the interface to initialize these parameters when setting up projects where the new land cover plant is present in the watershed Values may be typed into the text boxes or the user can access tables to decide what value should be assigned To access the SCS Runoff Curve Table click the SCS Runoff Curve Table SCS Runoff Curve Table 14 35 button The table will be displayed Figure 2 SCS Runoff Curve Number Condition Fallow Runott Curve Number C Row crop Hydrologic Group C Small Grain a pr Close seeded E 86 Pasture or Range c EE C Meadow EN D 94 C Roads dirt C Roads hard surface _Cancel o Figure 14 35 282 Curve number values for different management conditions are accessed by clicking the radio buttons for the condition and if applicable the cover To exit the table and copy the displayed curve numbers click OK To exit the table without copying the displayed curve numbers click Cancel To access the Mannings n Table click the Factor n Table L Factor n Table button The table will be displayed Figure 14 36 Manning s Roughness Factor n cu oss SER 0 14 Condition Fallow no residue 0 00 am iT Oy or Doj l f 3 cc Cc l m i Type Channel Fla
126. able click the Curve HUB I button A dialog box will be displayed Figure 12 43 ey HGT Hydrological Parameters Condition Fallow Runoff Curve Number Row crop Hydrologic Group Small Gram Cloze seeded Pasture or Range C 91 Meadow Woods Farmsteads Roadsfdirt Aoads hard surface W E E a E a a a e Figure 12 43 Curve number values for different management conditions are accessed by clicking the radio buttons for the condition and if applicable the cover Curve numbers are displayed for the hydrologic group of the soil being simulated in the HRU Figure 12 44 2 HGT Hydrological Parameters Condition Crop Cower C Fallow Straight Aow Poor COo Runoff Curve Number Row crop l z Hydrologic Group Eo Ee Straight Aow Good C Close seeded Contoured Foor L C Pasture or Range cone Good C E 65 C Meadow oak Cont and Terraced Poor e C Farmsteads Cont and Terraced Good C C Roads dirt C Roads hard surface Lancel Uk Figure 12 44 201 To use the curve number displayed in the dialog box click OK To exit the curve number lookup dialog box without modifying the initial curve number value click Cancel lf the value of a parameter is out of range a message box like the one in Figure 12 45 pops up Check BIO_MIN Figure 12 45 Click OK The parameter is reset to the original value or to the closest range limit Note Value ranges for parameters are editab
127. ackland Research Center Ver 1 0 File Edit Miew Frems Anabi Surface Graphics Window Awswat Help a a AeIE ZE SEEE i Watershed al Subbas ins 4f Cutlets Linking stream added Outlet Manually added Outlet yi Streams NE yi Watershed _ Dem 106 446 C 126 Figure 5 48 88 lf one or more Inlet of watershed points are set on the stream network the Inlet Draining Watershed theme is also added to the Watershed View Figure 5 49 2 newl swat AVSWAT2000 Blackland Research Center Ver 1 0 Ele Edt View Tuae nasz Surface Graphics Window Ayswat Help a ARE EE ZES ILE Aa eM i Watershed al Subbasins C i Outlets Linking stream added Outlet amp Manually added Point Source Manually added Outlet lWanually added Draining Watershed Inlet al Streams ENF yi watershed yi Inlet Draining Watershed _ Bem 406 446 __ 126 Figure 5 49 By clicking the Unda button the user can step back and repeat steps 1 7 This action removes the watershed delineation and allows outlets and inlets to be edited When the Undo button is clicked a prompt box will appear asking the user to verify the undo operation Figure 5 50 The undo command will remove the watershed boundary just delineated Continue Figure 5 50 89 Click Yes to remove the watershed delineation Click No to continue with the current settings Calcu
128. al Version 2000 The interface provides dialog based editors to access and edit these five databases as well as two additional databases that store custom soils and custom weather station parameters Application The SWAT Database Editors are available once the AVSWAT 2000 extension is loaded 1 On the main interface click the button beside Edit SWAT Databases or when the SWAT View is active select Databases from the Edit Input menu 2 Adialog box will appear with a list of the databases Figure 14 1 amp Edit SWAT databases For editing double click on the data base name User Soils User Weather Stations Land Cover Plant Growth Pesticide Tillage Urban Figure 14 1 seven databases are available for editing User Soils This database is used to store custom soil data Data are entered into this database for soil maps that do not use the US STATSGO soil database included with the interface User Weather Stations This database is used to store custom weather generator 261 station data Statistical weather data is entered into this database for weather simulation stations not included in the orovided database Land Cover Plant Growth This database contains SWAT plant growth parameters While users are given the option of modifying existing land cover plant parameters or adding additional plant species to the database we would like to emphasize that changes to the plant databa
129. an move to the next parameter text box by pressing the TAB key lf the value of the parameter is out of range a message box like the one in Figure 12 29 pops up E Check CH_N2 Figure 12 29 Click OK The parameter is reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not 190 be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf 3 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box similar to the one described in Step 2 may be displayed Click OK and return to editing and correct the values 4 If the user saves the modified values once the values are saved for the subbasin by clicking OK in Step 3 a new dialog box is displayed allowing the user to copy the modifications to other subbasin data sets Figure 12 30 lt 2 Rte Subbasin 1 Extend the same data set to f Allthe subbasins C Selected subbasing Figure 12
130. and 86 move the mouse to form a box on the screen around the selected outlet Release the left mouse button 4 To select multiple watershed outlets that are not adjacent to one another hold down the Shift key continuously while performing the actions described in Step 4 as many times as necessary to select all the watershed outlets of interest Tip The tool allows multiple main watershed outlets to be selected This feature allows non hydrologically connected watersheds to be simulated at the same time 5 Once the outlet points are selected click OK on the outlet selection prompt box lf a Point Discharge or Inlet of Draining Watershed is specified a dialog box will report an error and processing will stop Figure 5 45 Main Watershed Outlet s Selection Figure 5 45 Otherwise a confirmation prompt pops up Figure 5 46 Outlet s selection fou have selected 1 outlet s Do pou want to continue Figure 5 46 6 Click Yes to proceed 87 Note Repeated outlets located in the same location will be removed In this case a message dialog will pop up Figure5 47 Multiple Outlets in the same location Figure 5 47 7 A map of the watershed Watershed theme sub watersheds Subbasins theme and stream network restricted to the watershed Streams theme will appear on the screen when the interface has completed the watershed delineation Figure 5 48 O newl swat AYSWAT2000 Bl
131. associated with the new project will be stored The interface will default the project directory location to the nstallation dirdirectory The default project name and directory location may be used or a new name directory entered E New SWAT project File Name Figure 4 3 Directories Ok cLavewat 1 Cancel Cg avswatdb a avswatpr 4 genscn fq new fq new M news xl Drives 3 Optional Move to the target directory in the disk 4 Type a project name in the text box called File Name a default name for the project is provided 5 Change the project directory location if desired 6 Once the desired project name is displayed in the browser click OK Within the directory specified in the browser the SWAT ArcView interface creates a subdirectory to store the project files generated for SWAT The subdirectory has the same name as the project A project management file or log file is also created for the project and is stored in the main directory The log file is of the file tyoe SWAT project The log file name is the oroject name with the extension swat 5 A project window for the new SWAT will be displayed 38 SECTION 4 1 2 OPEN PROJECT To open an existing SWAT Project 1 Onthe main interface click the button beside Open Project 2 A browser will be displayed Figure 4 4 If necessary move to the proper directory Click on the name of the SWAT project log file swat belongin
132. at appeared with the radio button that was selected Locations table Po A file browser Figure 7 2 allows you to select the dBASE location table for the weather generator stations The location table is prepared by the user following the format described in Section 3 lt 2 Import Table Weag File Hame Directories d avewal Vavewatdb example dil E hopOpep dbt E d Lancel fA hopilpcp dbt gt avewal7 FA hop pcp dbf gt avzwatdb fA hop pcp dbf ge eramplel f hop4pcp dbt 4 amask FA luc dbf 4 dem A nutrient dbf C info FA ocofork dbf Ea M landuse kd List Files of Type Drives dBASE d Figure 7 2 Highlight the name of the weather generator location table and click OK or double click the selection 129 lil The weather locations will be loaded in the SWAT View as the Weagages point theme with the custom database option the data path will be displayed in the text box beside the button Rainfall data optional In this section the user can import measured precipitation data for use in the project To use measured precipitation data select the Raingages radio button Raingages Click the open file folder button next to the text box that appeared with the radio button that was selected Locations table FO A file browser Figure 7 3 allows you to select the dBASE Precipitation gage location table The rain gage location table must be prepared by the user following t
133. atdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the 240 Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir oarameter ranges are stored in resrng dbf iv Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made 4 Once all options and parameters are defined Click the Setup SWAT Run button This button generates the final input files based on the settings defined in the Set Up and Run SWAT model Simulation dialog box The main tasks performed during this process include preparing the weather input files and verifying that the provided data reservoir outflow point source and inlet discharge evapotranspiration is complete and consistent with the set period of simulation An error massage will notify the user of any problems 5 When the preprocessing is successfully completed a message box is displayed Figure 13 22 You could re write the inputs from moditied dbfs containing SWAT input parameters Proceed Figure 13 22 6 If some dBASE files were modified without using the built in editing tools described in Section 12 click Yes to re write the ASCII input files used to run SWAT from the modified dBASE files If no dBASE files were modified outside the editing tools click No lf the user clicked Yes a list of in
134. basin with no reservoir when right clicked a message box will notify the user Figure 4 31 Reservoirs Figure 4 31 If the mouse cursor was located over a subbasin with a reservoir when right clicked a dialog box will display the reservoir input data Figure 4 32 a Aaserair data Subhasini 7 Aesenor daia MORES Haun H IRESCO IYRES i Baage annl release rate r RES ESA 1 0 thal AES AA 21 ma 16 0 iret RES EVOL mY oe ma Hutri Jania 1 0 z FES Fae lhal FLOPS January RES PYOL 10 0 potd ma PN HUTEREA 1d RES WOL 10 0 4 me Here daps RES_5ED O Tim a RES_NSED 10 mart RESE 0 0 rence WUATMF 1 0 000 mama Monthy dete ie in Feb Mar ape inn of of f a OFLOwWMN ot tay Jun du Aug aie aal aof aa oo Mi Ama ne Sep Oct Here Dee A WLURESH is a af oof oo Mim Lake Wale Qusiip Figure 4 32 58 This is the same dialog box that is accessed by clicking Reservoirs under the Edit Input menu See Section 11 for more information about the dialog box e Edit Subbasin Input lf the mouse cursor was located outside the watershed when right clicked a message box will notify the user Figure 4 33 Figure 4 33 Click OK to proceed lf the mouse cursor was located over any subbasin area when right clicked the Edit Subbasin Inputs dialog pops up with the subbasin number selected Figure 4 34 2 Edit Subbasin In
135. ble type Select dbf file and click OK 23 A browser will be displayed Click the name of the look up table soilc dbf Once the correct table is selected click OK 24 The soil linkage information will be displayed in the scrollable listing on the Land Use Soil dialog box Once an Stmuid code has been assigned ze all map categories the Reclassify button will be enabled Click the Lisas button 25 The category display for the map will show the soil codes Figure 15 34 Figure 15 34 334 26 Once the land use and soil map grids have been loaded and reclassified click the button labeled Overlay at the bottom of the Land Use Soil dialog box 2 When the overlay of the land use and soil map grids is complete a prompt box will notify the user that the overlay process is complete Click OK 28 A report is generated during the overlay process To access the report select Reports under the Avswat menu From the list of reports select SWAT model LandUse and Soil Distribution and click OK 29 Close the report after viewing SECTION 15 1 3 LAND USE SOIL DISTRIBUTION 1 Select HRU distribution from the Avswat menu Figure 15 35 Surface Graphics Window FRET Help pa EZE EETA ad Avewat Main Interace Dialog Automatic Delineation Land Use and Soil definition HAU distribution Reports Figure 15 35 2 The Land Use Soil Distribution dialog box will be displayed Figure 15 36 SWAT Model
136. box b A modified dialog box will appear which contains input fields for the urban data Figure 14 74 Urban area database Urban Name URENAME 4 character FIMP oo fraction FCIMP 0 000 fraction CUREDEN 0 000 kmha URBCOEF f O 000 fmm BIRTH 0O00 fkg curb km THALF 0000 days TNconc 0 000 mg N ka sed Teconc 0000 mg Pkg sed TNosconc 0000 mg NO3 N ka sed Save Cancel Help Figure 14 74 c At this point the user may type the necessary data into the different fields 307 d Once the urban data is entered click the button labeled Save oOo to store the data or click Cancel tine to exit the editor without saving e The CROP Hydrological Parameters dialog box is displayed when data for a new urban land type is saved Figure 14 75 a CROP Hydrological Parameters Cropname Com CPM CORN Hydrological Group A 67 00 WE B 7700 C OV N 83 00 Manning s Roughness z ar00 Factor n Table SCS Runoff Curve Table Figure 14 75 The user must define a default Manning s overland n value and default curve numbers that will be used by the interface to initialize these parameters when setting up projects where the new urban land type is present in the watershed Values may be typed into the text boxes or the user can access tables to decide what value should be assigned To access the SCS Runoff Curve Table click the SCS Runoff Curve Tabl
137. bute field value containing the codes category values to be reclassified 2 SWAT land cover plant descriptions are assigned to land use theme categories using the Landuse Reclass Section of the dialog box Figure 6 15 Lookup Table Grid Values gt Land cover classes Grid Field Value Joining Attributes Value Areal Land seS wat Figure 6 15 3 You can manually assign a land cover plant code or use a look up table Manually assign land cover plant codes 102 a TO manually assign land cover plant codes double click in the LandUseSwatspot in the Joining Attributes box Figure 6 16 Joining Attributes roll PEEL i Figure 6 16 A dialog box will pop up listing two database files from which a SWAT land type can be selected Land Cover Plant or Urban Figure 6 17 A SWAT Land Use Land Cover Data Base Land Cover Plant Cancel Figure 6 17 Highlight the desired database file by clicking on it Click OK or Cancel to exit A dialog box will pop up listing the available SWAT land cover codes Figure 6 18 or the available SWAT urban land type codes Figure 6 19 Q SWAT Land Cover Plant Select land coverplant code Agricultural Land Cloge Grown AGRC Agricultural Land Generic gt AGAL Agricultural Land A ow Crops gt AGAR Alamo Switchgrass gt SW CH Alfalfa gt ALFA Alsike Clover gt CLVA Altar wilde gt AYES Asparagus gt ASPH
138. calculated Figure 13 12 Skream Water Quality Processes Not Active Active Figure 13 12 See Soil and Water Assessment Tool User s Manual Version 2000 Chapter 4 for more information about these options Lake Water Quality processes This section controls the printing of lake water quality information During the reformatting of output files this variable became obsolete and the selection of a radio button has no impact on model results Figure 13 13 Lake Water Quality Processes Not Active i Active Figure 13 13 Print out frequency This section controls the frequency of print output The available options are Daily Monthly and Yearly Figure 13 14 236 Printout frequency Daily Monthly f fear Figure 13 14 Routing Pesticide In this section the user can select the pesticide that SWAT will route through the channel network during the simulation A drop down control provides a list of all pesticides simulated in the HRUs Figure 13 15 Routing Pesticide A Flest a 4 Rest Dedweed Weed B Gon Figure 13 15 Note This list reports pesticides that eventually have been set within the MGT Management Input Data see Section 12 8 and or CHM Soil Chemical Input Data see Section 12 9 inputs Watershed Parameters Within this section the user can access parameters in two additional input files Figure 13 16 Watershed parameters Basin I
139. charge data table for monthly loadings The table may be formatted as a dBase table or as a comma delimited text table MONTH integer i2 Month of measured data SEDMON floating F f12 3 Average daily sediment loading for month kg day NO3MON floating point f12 Average daily nitrate loading for month kg day NO2MON floating point f12 3 Average daily nitrite loading for month kg day CMTL1IMON floating point f12 3 Average daily loading of conservative metal 1 for month kg day CMTL2MON floating point f12 3 at ar ale of conservative metal 2 for CMTL3MON floating point f12 3 Average daily loading of conservative metal 3 for month kg day BACTPMON floating point f12 3 Average daily loading of persistent bacteria for month bact 100ml BACTLPMON floating point f12 3 Average daily loading of less persistent bacteria for month bact 100ml Note An example monthly point discharge table is in Installation dir lavswatdb exinputs pointsmonthly dbt ASCII txt Table Format The ASCII table format for monthly records will be a comma delimited text file with the same data reported above for the dBASE format The first line of the file will contain the field names while the remaining lines will contain the loadings summarized on a monthly basis Note An example monthly point discharge table is in Installation dir avswatdb exinputs pointsmonthly txt 31 Point Discharge Data Table
140. climatic parameters stored in an internal weather generator database ii If you click No a dialog box will appear asking for a default heat unit value Figure 8 9 The default heat unit value will be used for all land cover plants within the watershed Click Cancel to abort Click OK to use the current value in the input box 2 Enter a numer in the range 0 3000 Please enter an initial estimate of the number of heat units to bring the plant to maturity gad Cancel Figure 8 9 f When all databases have been built a message box will be displayed Figure 8 10 Finished writing input data Tou can now proceed with the Simulation Figure 8 10 Click OK to proceed You can activate the Write All command in the same way at any later time In this case a confirmation dialog pops up Figure 8 11 139 Write All Inputs gt Are You sure you want to write all the input data Figure 8 11 Click No to abort the process Click Yes to proceed Note If you make changes to inputs using the commands under the Edit Inputs menu and then reactivate the Write All command under the Input menu all your editing changes will be overwritten by the default values You can abort any current writing process by clicking the stop button located in the lower right corner of the ArcView screen near the status bar You can activate the Write All command at any later time In this case a different confirmation dialog
141. copied to only certain subbasins click the Selected subbasins Ce Am T a Aee me D button to choose the subbasins When the Selected subbasins button is active a list of subbasins will be displayed Figure 12 17 f Selected subbasing Figure 12 17 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the Shift key while highlighting the subbasin numbers Once you have made all selections click OK The interface will save all the changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 182 SECTION 12 3 EDIT SUBBASIN GENERAL INPUT DATA SUB 1 Click Sub item in the Select Input File list of the Edit Subbasin Inputs dialog box General subbasin parameters dealing with elevation bands climate change and tributary channels are displayed in a new dialog box titled Sub Subbasin Figure 12 18 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 6 amp Sub Subbasin 5 Subbasin general data HRUTOT 9 Traps 0000 Cem CH WI 4 119 pm LATITUDE 40 428364 degrees suo sup 000 mm CH KI 0500 mmh ELEY 56000 ml CHLI 5866 kmi CH NI 0 014 PLAFS ao mm km CH_51 ooa rnm coz 0 000 ppm tf AFINC ELEYE Jan Feb Mar Apr May Jun C OTMPINC f ELEVB FF 0o00 0 000 0 000
142. ct the values 4 If the user saves the modified values once the values are saved for the HRU by clicking the OK button in step 3 a new dialog box will be displayed allowing the user to copy the modifications to other subbasin land use soil data sets Figure 12 8 Sol 5 FRSD_PAO22 Extend the same data set to subbasins gt Landuses Soils i Al FRSD f Pago C Selected C Selected C Selected Figure 12 8 175 If you do not want to copy the edited soil data to other data sets click No The changes will have been saved for the individual HRU and no others If you wish to copy the edited soil data to other data sets proceed as follows Specify in the Subbasins section of the dialog box the subbasins to which the edited soil data will be copied Select the All button to copy to all the subbasins If the changes are to be copied to only certain subbasins click the Selected 4 button to specify the subbasins When the Selected button is active a list of subbasins will be displayed Figure 12 9 Selected snnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn Figure 12 9 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the shift key while highlighting the subbasin numbers Specify in the Landuses section of the dialog box the landuse type s
143. d Figure 11 15 168 Lake Water Quality data Subbasin 2 Lake Water Quality data IRES1 Januar IRES2 Januar LEPST_CONC 0 000 mg m3 FSETLAI 10 000 m pear a ape a0 ene PSETLA2 10 000 m year LKPST VOL 0000 m dey NSETLAT 5 500 m year LKPST KOC C000 m3 day NSETLAZ 5 500 m year LKPST_STL 0000 m day CHLARA 100 LKPST_ASP C000 meday SECCIA f 1 000 m LKPST_Mi lt 0000 m day RES_ORGP 10 mg Fal LKSPST_CONC 0000 mg m3 RES_SOLP 0 000 mg Pe LKSFST_REA ao 1 Aday RES_ORGN 0 000 mg NA LKSPST_BRY 0 011 m day RES NOS 0 000 mg Nl LKSPST_ACT 0 000 m RES NHS 0 000 mg M RES Noe 0 000 mg MA Help Cancel Figure 11 15 The variable names listed in the Lake Water Quality data dialog box are defined in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 30 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown To edit a parameter activate the text box adjacent to the variable name by clicking on it Enter and or edit the text value You can move to the next parameter by pressing the TAB key lf the current value of the parameter is out of range a message box like the one in Figure 11 16 appears 169 Check SECCIR Figure 11 16 Click OK The parameter is reset to the original value or to
144. d Figure 13 45 Read Results G Do you want to read the ASCII outputs now Figure 13 45 The SWAT simulation generates ASCII output files whose data that must be transferred to dBASE tables for access in the interface Click Yes to load the output data to dBASE tables Click No to defer the generation of dBASE output tables to a later time Clicking Yes performs the same operations performed by the Read Results command in the Simulation menu 18 Click Close to exit the Calibration Tool SECTION 13 4 CREATE DELIVERED LOAD TABLE The fourth command in the Simulation menu allows the user to generate a table itemizing the amount of load at any point on the channel network originating from each of the upstream subbasins This table can only be generated when the yearly print frequency is selected Average annual data are analyzed to produce this table 1 Select Make Delivered Load Table from the Simulation menu or press Cmd D Figure 13 46 254 3 O newl swat AVSWAT 2000 Blackland Research Center Yer 1 0 Eile Edit View Theme Input Edit Input EMMER Reports window Help SS SS SSS a Read Results Cmd 8 as Be i Calibration Tool Cmd C Make Delivered Load Table Crnd D Weag ages ll v Tempgages Figure 13 46 lf a calibration scenario has been created see previous section a prompt box is displayed Figure 13 47 Make Loadcalc table D efault
145. d This increases the accuracy of load predictions and provides a much better physical description of the water balance 120 The user has two options in determining the HRU distribution assign a single HRU to each subwatershed or assign multiple HRUs to each subwatershed If a single HRU per subbasin is selected the HRU is determined by the dominant land use category and soil type within each watershed If multiple HRUs are selected the user may specify sensitivities for the land use and soil data that will be used to determine the number and kind of HRUs in each watershed Key Procedures e Select single or multiple HRUs per subwatershed e For multiple HRUs define land use and soil threshold levels e Click the OK button to determine the HRU distribution Detailed Operations 1 Select HRU distribution from the Watershed View menu Avswat Figure 6 52 newl swat AVSWAT 2000 Blackland Research Center Yer 1 0 File Edit Yiew Theme Analysis Surface Graphics Window MORTAS Help 3 2 Sia WIS WZ Avewat Main Interface Dialog Automatic Delineation Land Use and Soil detinition HRU distribution Reports EERE Figure 6 52 2 The Swat Model definition of the land use soil distribution dialog box will be displayed Figure 6 53 121 Q SWAT Model Definition of the LandUse Soil distribution Dominant Land Use and Sail Multiple Hydrologic Response Units Help Exit
146. d View to be selected as the mask A prompt box appears with a list of all polygon shape themes loaded in the Watershed View Figure 5 21 IZ a Select boundary theme from Watershed View Watershed View polygon themes Sugentys ship Figure 5 21 select the name of the mask theme and click OK If some features are selected on the theme only these features will be converted on the prompt dialog click Yes to continue just with the selected features or click No to abort If a mask was set previously a prompt box will appear asking if the new mask should be merged with the existing one d Once the mask grid is loaded the grid data set path will be shown in the text box labeled Mask Grid in the Watershed Delineation dialog box and a theme labeled Mask Focused Area will be added to the Watershed View Note The Analysis Mask of Spatial Analyst Properties is now set Applications of Spatial Analyst commands will be limited to the mask zone 14 Burn in a stream network optional A stream network theme can be superimposed onto the DEM to define the location of the stream network This feature is most useful in situations where the DEM does not provide enough detail to allow the interface to accurately predict the location of the stream network Burning in a stream network theme improves hydrographic segmentation and sub watershed boundary delineation The theme must be a polyline shape file Click the box be
147. d Water Assessment Tool User s Manual Version 2000 Chapter 24 Ge 5_FRSD_PAO22 Groundwater data SHALLST 05000 mm REVAPMN 1 0000 fmm DEEPST 1000 mm RCHRG_DP 0 0500 fraction Gw DELAY 200 0000 days GWHT 1 0000 fm ALPHA BF 0 0480 days Gw sPYLD 00030 m3 m3 GwoMN 00000 fmm GwNos f 0 0000 mgNal Gw REVAP 0 0200 iw SOLP oog mg Fl Help Cancel OE Figure 12 32 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown Edit data Activate a parameter text box by clicking on it Type the desired value in the text box You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 12 33 pops up Check ALPHA_BF T ALPHA BF should be set between 0 0000 and 1 0000 Figure 12 33 Click OK The parameter is reset to the original value or to the closest range limit 193 Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followe
148. d by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf 3 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box similar to the one described in Step 2 may be displayed Click OK and return to editing and correct the values 4 If the user saves the modified values once the values are saved for the HRU by clicking OK in Step 3 a new dialog box is displayed allowing the user to copy the modifications to other HRU data sets Figure 12 34 Gw 5 FRSD_PAO22 Extend the same data set to oubbasing anduses Soll i Al FRSD ie PADA C Selected Selected C Selected toe ej o Figure 12 34 a If you do not want to copy the edited groundwater data to other data sets click No The changes will have been saved for the individual HRU and no others b If you wish to copy the edited groundwater data to other data sets proceed as follows 194 Specify in the Subbasins section of the dialog box the subbasins to which the edited groundwater data will be copied Select the All 4ll button to copy to all the subbasins If the changes are to be copied to only certain subbasins click the Selected Selected button to specify the subbasins When the Selected button is active a list of subbasins will be displayed Figure 12 35 Selected
149. d default curve numbers that will be used by the interface to initialize these parameters when setting up projects where the new land cover plant is present in the watershed Values may be typed into the text boxes or the user can access tables to decide what value should be assigned To access the SCS Runoff Curve Table click the SCS Runoff Curve Table SCS Runoff Curve Table 14 39 button The table will be displayed Figure E 5C5 Aunoli Curve Humbe Condon Fala RiroF Cune Mimbai i Rom oro Hydrologic Gap O Smal Gra A C Chorepeedet B E C Paia or Aang E i i Hesian C oade D E i lEamutesds C Riaki Rosddhad sufacel Cercel JE Figure 14 39 Curve number values for different management conditions are accessed by clicking the radio buttons for the condition and if applicable the cover To exit the table and copy the displayed curve numbers click OK To exit the table without copying the displayed curve numbers click Cancel To access the Mannings n Table click the Factor n Table Factor n Table button The table will be displayed Figure 14 40 42 Hangs Acugtmess Fachor n Wwa oie Condon Detal Minas Maran s Falla ro residia aor ons Pome Chandi e Convenience moesie 008 005 J oz Chala rhe e Commentional isos necidue poi foe aaa Che plow no recidue Ey IE EIH Chisel pln vesicles EE ED ma Fall dickinguesdhe gab os as No al wo 1esidue gory ao ot No ill
150. d gnde LusGre c Value Value Areal LandUseS wat 26 20 53 31 16 57 irii i eE S Snid Sac MM Sraid o Flame Ee Figure 6 24 4 Once a LandUseSwat code has been assianed to all map categories the Reclassify button will be enabled Click the tts button 5 A new theme named SwatLanduseClass will be displayed in the Watershed View Figure 6 25 Figure 6 25 107 6 The land use data layer is now loaded SECTION 6 1 3 SOIL DATA LAYER Define Soil theme 1 Select the soil data layer by clicking the button next to the text box labeled Soil Grid A dialog box labeled Set the Soil Grid will appear Figure 6 26 lt 2 Set the Soil grid Options Select Soil themes from Watershed View a Lancel Load Soil themes s from disk Figure 6 26 2 If the soil theme is already displayed in the Watershed View highlight Select Soil theme s from Watershed View If the soil theme is not displayed highlight Load Soil theme s from disk Click OK 3 A new dialog is displayed for the user to define the type of theme being used Figure 6 27 Select either Shape or Grid from the drop down menu and click OK 2 Select theme s from Disk Shane Cancel Figure 6 27 108 a If you selected the Shape option i If loading from the Watershed View a dialog is displayed Figure 6 28 showing the list of shape themes F J Select from Watershed View Statsgo shp Subba
151. data double click in the empty records below the Joining Attributes label Figure 6 39 Grid Field Value Joining Attributes Value Areal Mame Figure 6 39 For user provided soil data click the radio button labeled Name f Name a Only the joining attribute records labeled Name are available Double click a record b A dialog box is displayed listing all soils in the User Soil database Figure 6 40 2 User Soils Select the soll Cancel Figure 6 40 c Select the soil and click OK or double click the selection 114 Tip Input your soils entry and data sets in the User Soils data base See Section 14 before you reclassify the Soil grid For the use of the STATSGO database the user has four options a Stmuid The State STATSGO polygon number is specified by the user and the interface selects the dominant soil phase in the STATSGO polygon to represent the soil attributed in the area mapped in the polygon i Click the Stmuid radio button Stmud ii Double click the respective record A dialog box will be displayed that allows the user to enter the State STATSGO polygon number Figure 6 41 E Define Stmuid number Enter 2 digit State numeric code and 3 digit State Statego polygon MUIC number Figure 6 41 iii Type the Stmuid number in the text box Click OK The entry is now set in the selected record b S5id The Soils5 ID number for USDA soil series data is
152. data must be projected Click Yes A browser will appear with the User Data directory active Click the name of the land use map grid anduse Click OK to confirm the choice The raw land use grid will be displayed and clipped to the watershed area Figure 15 30 ark die YO Hakleri Aesasench Canini Wei r ET a caT Ehia ey Figure 15 30 A message box will also appear reminding the user to load the look up table for the map Click OK When the land use map grid is loaded the interface does not know which SWAT land use code to assign to the different categories Three options for loading this information are described in Section 6 The example data set includes a custom look up table to define the SWAT land use to be modeled for each category Click L beside LookupTable Grid Values gt Land cover classes 331 10 A prompt box will be displayed for the user to select the type of table to be loaded Highlight User table and click OK 11 Another prompt box will appear for the user to define the format of the look up table Select dbf file and click OK 12 A browser will be displayed Click the name of the look up table luc dbf Once the correct table is selected click OK 13 The SWAT land use categories will be displayed on the scrollable listing on the Land Use Soil dialog box Once a LandUseSwat code has been assigned to all map categories the Reclassify button will be enabled Click the but
153. dbf lf the user selects Measured monthly outflow or Measured daily outflow as the outflow option IRESCO predefined formatted tables must be used to input the outflow data Daily Reservoir Outflow data If Measured daily outflow is selected from the IRESCO drop down list Figure 11 7 the user is required to create a data table containing the daily outflow information for the reservoir following the format specified for Reservoir Daily Outflow in section 3 3 IRESCO Measured daily outflow Measured monthly outflow Simulated T arget release Measured daily outflow Figure 11 7 A section of the dialog box labeled Resdayo table is enabled Figure 11 8 RESDAYO table E oo 165 Figure 11 8 Click the open file folder button L A prompt box will appear so that the user can specify the format of the file containing the daily reservoir outflow data Figure 11 9 Select dBASE dbf or text file txt and click OK Fe Daily Reservoir outflow table dbf tile string fields bet file comma delimited Figure 11 9 A browser will be displayed allowing the user to select the dBASE file dbf or text file txt containing the daily reservoir outflow data from disk Figure 11 10 Daily Reservoir outflow table hopOpep dbf foo dA hopi pep dbf gt avewal7 hop2pcp dbf gt avswatdb hop 3pcp dbf hop4pocp dbf luc dbf nutrient dbf Figure 11 10 Select the
154. dbf As an illustration the reservoir parameter ranges are stored in resrng dbf Exit d Once all editing changes have been made click Exit e Aprompt box appears Figure 14 46 Do You want to save the changes to the fertilizer named Elemental Nitrogen 7 Figure 14 46 f To save the editing changes click Yes To discard the editing changes click No To recover default values for an edited fertilizer The default values for the fertilizers provided with the interface are stored and can be recovered at any time This operation may only be performed for fertilizers provided with the interface This operation will eliminate all changes made to the fertilizer parameters by the user a Click the name of the fertilizer 289 b Click the button labeled Default at the bottom of the dialog box c A prompt box will appear Figure 14 47 Set Elemental Nitrogen To Default Are you sure you want to set Elemental Nitrogen back to it default setting Figure 14 47 d To recover default values click Yes To abort the recovery of default values click No To add a new fertilizer A new fertilizer may be added to the database by setting parameters on a blank form or by copying data from an existing fertilizer record to a new record To add a new fertilizer using a blank form a Click the button labeled Add New Add New on the Fertilizer Database dialog box b A modified dialog box will appear wh
155. dialog box 83 When adding and deleting points Do not insert an inlet or outlet point in a junction cell A close up view of stream juncture points created by the interface is shown on the DEM map grid in Figure 5 38 The points are placed in the first cell of each branch of the stream If these points are removed and replaced with one point in the junction cell Figure 5 39 the interface will not be able to understand which branch of the stream is the correct stream line and will be unable to delineate the subbasins properly for the two stream branches Figure 5 38 Figure 5 39 Deleting Outlet and or Inlet Points 1 If necessary zoom in on the inlet or outlet points to be deleted 2 Click the Remove button 3 The Watershed Delineation dialog will be minimized Move the cursor to the location s you wish to remove 4 Hold down the left mouse button and move the mouse to draw a box around the point s you wish to remove Release the left mouse button 5 A prompt box will appear asking you to verify removal of the selected point s Figure 5 40 84 Remove Outlets G2 Do you want to remove these outlets 4 Figure 5 40 Redefining Outlets Inlets 1 Click the 7242 button 2 The Watershed Delineation dialog will be minimized Move the cursor to the desired location s and left click Hold down the left mouse button and draw a box around the point s you wish to redefine Release the left mouse
156. difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf 3 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box may pop up like the one described above in Step 2 Click OK and return to editing and correct the values 4 If the user saves the modified values once the values are saved for the subbasin by clicking OK in Step 3 a new dialog box is displayed allowing the user to copy the modifications to other subbasin data sets Figure 12 20 amp Sub Subbasin 1 Ea Extend the same data set to fe All the subbasins Selected subbasins Figure 12 20 184 a Note Values for the parameter HRUTOT are not allowed to overwrite those in a different subbasin Values for all other variables will be updated lf you do not want to copy the edited general subbasin data to other data sets click No The changes will have been saved for the individual Subbasin and no others lf you wish to copy the edited general subbasin data to other data sets proceed as follows In the dialog box specify the subbasins to which the edited soil data will be copied Select the All
157. e 8 6 Enter the input value in the box labeled Manning s n or set its value by browsing the tabulated values within the dialog Click Cancel to use the default value 0 014 Click OK to use the current value in the input box When writing of the rfe main channel input database begins a prompt box appears Figure 8 7 offering two options for defining Manning s roughness factor for the main channels in all subbasins Manning s n for all the main channels A default value will be set 0 014 Do pou want to change it Figure 8 7 Click No to accept the default value 0 014 Click Yes to open the Manning s Roughness Factor n dialog Figure 8 6 Enter the input value in the box labeled Manning s n or set its value by browsing the tabulated values within the dialog Click Cancel to use the default value 0 014 Click OK to use the current value in the input box 138 e When writing of the mgt management input database begins a prompt box appears with two options for defining plant growth heat units Figure 8 8 Management data options Plant growth heat units may be 1 estimated for each land cover using local climatic data G9 2 set to default values The climatic data base used to estimate plant heat units contains data for the US only Estimate Figure 8 8 i Yes may be chosen only for watersheds in the United States If you click Yes the plant heat units will be calculated from local
158. e 9 5 Point source data may be summarized in one of four formats constant daily loadings average annual loadings average monthly loadings and daily loadings Four radio buttons are located at the top of the dialog box for the user to select the data format they prefer a Constant Daily Loadings By default this radio button will be enabled If the point source loadings are to be input as constant daily loadings verify that the radio button labeled Constant Constant is selected This option allows the user to enter the following data average daily water loading m sediment loading tons organic Nitrogen kg organic Phosphorus kg Nitrate NO3 kg mineral soluble Phosphorus loading kg Ammonia NH3 kg Nitrite NO2 kg Conservative Metal 1 kg Conservative Metal 2 Conservative Metal 3 kg Persistent Bacteria and Less Persistent Bacteria both in bacteria 100 ml as required by the SWAT model see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 31 This data represents average daily loadings input to the stream network every day of the simulation To define the constant daily loadings enter the data in the section of the dialog box labeled Constant Daily Loadings Figure 9 6 If data for any conservative metal is input the type of metal should be specified 148 D Coy coy Coy coy coy cop coy coy coy coy coy coy co Figure 9 6 b Average annual daily load
159. e Folder B 20 01 14 51 Pe iy dem sail File Folder 6 20 01 12 51 PM a hopOpcp dbf 13KB DEF File 6 18 98 11 17 AM al soil hop pep dbf 13KB DBF File 6 18 98 11 18 4M Gq Example hop2pep dbt 13KB DBF File 6 18 99 11 20 AM E Exinputs hop3pep dbt 13KB DBF File 6 18 98 11 21 AM Helpdocs hop4pep dbf 13KB DBF File 6 18 99 11 22 AM fa MatScen E luc dh IKE DEF File 4 13 99 9 52 AM a AySwatPr Bj luc bet TRE Test Document 4 13 99 9 53 AM Ga GenSen l nd dbg IKE DEG File 7 5 01 4 57 PM HE newl E nutrient dbf 1KB DEF File 4 20 01 7 17 PM HE new pepfork dbf IKE DBF File 4 20 01 8 03 PM HE news soil dbt IKE DBF File 4 13 99 9 47 AM new B soile tet TRE Test Document 4 13 99 9 48 AM E AxumB0 E strflow dbf IKE DEF File 4 20 01 7 14 PM databases tmp_2902 dbf 20KB DBF File 3 17 99 4 57 AM H eparpesticide tmp _4483 dbF 20KB DEF File 3417 99 4 59 AM Higa Eeri tmp _4976 dbf 20KB DBF File 3 17 99 5 01 AM H E Junk tmp_8743 dbf 20KB DEF File 3 17 99 5 03 AM ae tmpfork dbf IKE DEF File 4 20 01 8 02 PM Ba Files A E wgnstations dbf 1KEB DBF File 6717798 2 16 PM 4 T 4 4 objectis T4468 Disk free space 1 126GB Figure 15 1 The example data set includes 4 ArcView grid themes 16 DBF tables and two text files The 4 ArcView grid themes are dem A Digital Elevation Model DEM ArcView grid for the Lake Fork Watershed The map was created in the Albers Equal Area projection with the reso
160. e SCS Runotf Curve Table 14 76 2 SCS Runoff Curve Number noff Curve Table button The table will be displayed Figure Condition f Fallow Aunotl Curve Humber C Row crop Hydrologic Group C Small Grain H C Close seeded E 86 Pasture or Range c EE C Meadow EN D g4 i Roadeldirt C Roads hard surface _Cancel _oK Figure 14 76 Curve number values for different management conditions are accessed by clicking the radio buttons for the condition and if 308 applicable the cover To exit the table and copy the displayed curve numbers click OK To exit the table without copying the displayed curve numbers click Cancel To access the Manning s n Table click the Factor n Table Factor n Table button The table will be displayed Figure 14 77 Manning s Roughness Factor n any 0 14 Condition Fallow no residue cu ons z LEET oe oO amp _ f mF a mm mm oo m pP a hI Type Channel Flow e Overland Flow ie oO T D L Md Conventional tillage na residue T cy E ee rh Conventional tillage residue Chisel plow na residue i o_o gt pra om Chisel plow residue DJ ol cn Fall disking residue t oy oy oy es Sp al ep 4 Fp tof cop co Co co 1 co E d ce co jam cy E am o_o No till no residue Mo till 05 1 thal Mo till 2 9 t ha tL
161. e Simulation menu allows you to run the SWAT model and import results to the interface The Simulation menu also contains tools that allow the user to rapidly calibrate the model simulation and determine delivery loads from the different areas of the watershed Four items are listed on the Simulation menu Figure 4 21 E newl swat AYSWAT 2000 Blackland Research Center Ver 1 0 a Edit View ene cil Edit Inout Bnei Feoots Window Help ples Funswat ape ot E Read Results Crod B al il ea gages a Calibration Tool Cmd C Figure 4 21 Make Deltvered Load Table Cmd O 52 The Simulation Menu Run SWAT The Run SWAT command allows the user to modify parameters in three SWAT input files the input control code file cod the basin input file osn and the watershed water quality input file wwq as well as set up and run the SWAT model The Simulation Menu Read Results The Read Results command imports output from the SWAT run into ArcView tables dbf so that the simulation results may be displayed within the interface The Simulation Menu Calibration Tool The Calibration Tool command allows the user to perform global edits on SWAT input variables commonly modified during calibration The interface saves these modified SWAT runs in separate directories so that the user can compare results from several different calibration runs The Simulation Menu Make Delivered Load Table The Make Delivered
162. e recovery of default values click No To add a new tillage operation a Click the button labeled Add New ZA lon the Tillage Database dialog box b A modified dialog box will appear which contains input fields for the tillage data Figure 14 66 Tillage database Tillage Operation Hame TilageName B character EFTMIX 0 000 fraction DEPTIL 0 000 mm Save Cancel Help c At this point the user may type the necessary data into the different fields Figure 14 66 d Once the tillage data is entered click the button labeled Save o to Cancel store the data or click Cancel to exit the editor without saving 302 e The user is returned to the original Tillage Database dialog box The list of tillage operations in the database will include the name of the tillage operation just added To delete a tillage operation a From the Tillage Database dialog box click the name of the tillage operation to be deleted b The dialog box will be modified to display the tillage data Click the button Delete labeled Delete at the bottom of the dialog box c A prompt box will appear requesting the user to verify the delete Figure 14 67 Tillage Operation 2 Do you want to remove the Tillage Operation Example 7 Figure 14 67 d To continue with the delete process click Yes To abandon the delete process click No Note Only the new Tillage data sets entered by
163. ears and the range of variation for the parameter is shown iii To switch from one page to the other click the radio buttons next to the i Page 1 page number of interest Fase 4 238 iv Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 13 19 will be displayed Check SMTMP Figure 13 19 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf v Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made General Water Quality Input File l Ww To access parameters stored in the wwq file click the S button A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version
164. ed Weather Statio TOURER Load wgn Add Hew Help Exit Figure 14 15 A list of stations in the custom database is displayed on the left side of the dialog box 270 3 The user has four options edit an existing weather station data set add a new weather station data set delete an existing weather station data set or exit the database To edit an existing weather station dataset a Click the name of the weather station to be edited b The data for the weather station will be displayed Figure 14 16 A complete description of the parameters is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 13 2 User Weather Stations Weather Station Hame S ample RAIN YAS 53 00 rears WELEV 179 60 m WLATITUDE 33 65 Degrees PR Oo WLONGITUDE 0 Degrees PR Oo TMPMx eben Jan 11700 ul 34 80 TMPMN PR Wa Fe 1390 Auf 34 90 TMPSTOM C PEPD Ma 1880 Sep 31 40 TMPSTDMN C RAINHHM am 2360 Octf 2570 C PCPMM SOLARAY May 2760 Nov 1840 i PCPSTD C DEWPT JUN za Dec 1310 C PEPSKW C WNDAV E Del ete Load mgr Add New Modify Add Hew Help E vit Figure 14 16 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation is shown The weather data are separated into two groups The statistical data that is Summa
165. ed if the user clicks Yes Figure 14 11 2 Specify File File Name Directories OK a epa pesticide cold yytr ag 13 20 fo dh ag 14 0 gt epa pesticide ag_ 6 sol cold wtr ag_40 sol alfa _13 sol alfa_14 sol alfa_ 2b sol alia 40 sol gl E List Files of Type Drives Text Files soll d Figure 14 11 3 B BE O B BO BO G d Select the soil input file sol to be loaded and click OK or double click the selection The soil data will fill the fields in the User Soils dialog e Look over the data to verify it was imported correctly f Click the Save button to store the new data set or click Cancel to exit the load procedure without saving To add a new soil by modifying an existing record a From the User Soils dialog box click the name of the soil to be copied b Once the soil data is displayed click the button labeled Add New Add Mew Modify Modify c A modified dialog box will appear with all the data fields filled copied from the previously selected soil data except the soil name Figure 14 12 268 2 User Soils By Soil By Laver SNAM soz 152 40 mm NLAYERS 4 1 to 10 SOLD 1 45 g om3 HYDGRP A A B CorD sotawe 0 13 mm mm SOL ZMx 203200 mm SOLK 2180 00 mm h ANION_EXCL 11200 fraction sorcen 073 soil weight SOLcCRK com mama chav 750 soil weight RET S soil weight TEXTURE SILT i
166. ed into six sections Weather simulation data Rainfall data Temperature data Solar Radiation data Wind Speed data and Relative Humidity data The first section listed Weather simulation data must be set The interface will not allow the user to perform other input data processing until the Weather simulation data is defined The other five sections allow the user to choose between simulated or measured climate data for specific types of data a Weather simulation data In this section the user must define the data used to generate various weather parameters Data loaded in this section is used to build wgn files for the dataset For more information on the type 128 of data used to generate weather data please see the SWAT2000 Theoretical Documentation and the SWAT2000 User s Manual Weather station locations and weather generator data are obtained from one of two sources the built in US database or the User Weather Stations database US database The US database contains weather information for 1 041 stations around the United States and is provided with the interface In order to load and geocode the US database select the US Database radio button 79 base Click the button Custom database This option is used to load custom weather generator data stored in the User Weather Stations database a Select the Custom database radio button Utam data base Click the open file folder button next to the text box th
167. ed wind speed data for use in the project To use measured wind speed data select the Windgages radio button SL apd p h a ise Click the open file folder button next to the text box that appeared with the radio button that was selected A file browser Figure 7 6 allows you to select the dBASE Wind speed gage location table The wind speed gage location table must be prepared by the user following the format described in Section 3 5 hopOpep dot fe dA hop pep dbf gt avewal7 hop2pep dbf gt avewatdb hop 3pcp dbf hop4ocp dbf luc dot nutrient dbf Figure 7 6 132 Highlight the name of the wind speed gage location table and click OK or double click the selection The wind speed gage locations will be loaded in the SWAT Viewas the Windgages point theme and the data path will be displayed in the text box f Relative humidity data optional In this section the user can import measured relative humidity data for use in the project To use measured relative humidity data select the Rel Humidity gages radio button e Mumidty gages Click the open file folder button next to the text box that appeared with the radio button that was selected Locations table Po A file browser Figure 7 7 allows you to select the dBASE Relative humidity gage location table The relative humidity gage location table must be prepared by the user followi
168. em within the subbasin area is assumed to represent the single stream reach associated with the subbasin Each subbasin in the Subbasins theme is numbered and the label is visible in the Watershed View The Streams theme is labeled as well if the burning option Reach V3 or NHD has been used A new report named Topographic Report is now available Figure 5 55 This report provides a statistical summary and distribution of discrete land surface elevations in the watershed and all the sub watersheds 91 Vel Apr 17 15 37 Pee Him Elewatian 17E Hr Elewstian 1P Hrs Elewatian 23_647 EH Eweviutean 14 1077 ee it 2 Arta Balis Eleva iii 2 ar Waleried Tei H TH 2 in i i ik 55 bh iti 1 3 2 54 ih 7 30 D 7h iHi oe 1 bi iit 135 5 50 LET iz i Ei 137 GEEL EL 1 i ert 17 F 84 E 77 eh 10 Mh Pe 18i ET 4 04 1k VF AE 454 1TH Th FE uR 41h 1 Gh 1 21 1kF 1E CF E i 1i F H a 1 aT 72 40 E E E FF BE 2 ee Pt Y7 3 1568 ne oe diff 13 1 2 51 ed 152 LE 17 4 153 id ie i 15 4 ob AF ka 195 ee 72 154 it tt 2 7 157 7 a0 2 14 Figure 5 55 SECTION 5 6 RESERVOIRS OPTIONAL Once the delineation is complete the user has the option of inserting removing reservoir locations along the main channel network Figure 5 56 Reservoir Add te A Remove J Figure 5 56 Adding a reservoir Add 1 Click the button 2 The dialog box will be m
169. eports Le Help paz ee in nE Ctrl 0 fe EE Paint Source Discharges Ctrl 1 Inlet Discharges Ctrl 2 ws Reservoirs Ctrl 3 yi W eaga ges Subbasing data Ctrl 4 Tempgages L Figure 11 2 lf no reservoirs are defined in the watershed See Section 5 a dialog box notifies the user Figure 11 3 162 Figure 11 3 The Edit Reservoirs Inputs dialog is displayed Figure 11 4 if at least one reservoir is defined in the watershed see Section 5 J Eii H mi EELE B Figure 11 4 All subbasins containing reservoirs will be listed To edit the parameters for a reservoir click on the number of the subbasin in which it is located The Reservoir data dialog will open with the current data for the selected subbasin Figure 11 5 163 Reservoir data Subbasin 2 Reservar data MORES January x IRESCO MAES Ooo Average annual release rate RES ESA 1 0 thal RES AR 0 1 mvs RES_EVOL 150 04 m3 a T Januar AETR 10 thal FLOD2R January z RES_PWOL 10 0 10 4 m3 HETZRGE 1 d RES VOL 10 0 104 m3 Ek days AES rill i Ttable RES_SED 1 0 mg SY RES_NSED 1 0 mg RES_K 0 0 mmh WURTNE 0 000 m3 m3 Monthly dat Jan Feb Mar Apr OFLOwW Me c T 0 0 0 0 0 0 oo H0 4m3 OFLOWMN f May Jun Jul Aug eee p 0 0 0 0 0 0 ao 10 4m3 Sep Oct How Dec WURESN 3 00 0 0 ao oo 104m Lake Water Quality Help Figure 11 5
170. er Plant Growth Fertilizer Peshicide Tillage Urban pi Figure 14 2 2 The User Soils dialog box will be displayed Figure 14 3 2 User Soils Load Sal Add New Help Exit Figure 14 3 A list of soils in the custom database is displayed on the left side of the dialog box 263 3 The user has four options edit an existing soil dataset add a new soll dataset delete an existing soil dataset or exit the database A list of soils in the custom database is also shown To edit an existing soil dataset a Click the name of the soil to be edited b The data for the soil will be displayed Figure 14 4 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 22 User Soils ee ana By Sail By Laver A SNAM Sample SOLZ 152 40 mrm NLAYERS 4 1 to10 SOLED 1 45 afer HYDGRP A A B CorD soLawe 013 mm mm sol zM 2032 00 mm SOLK f 2180 00 mm h ANION EXCL T1200 fraction soL cen 0 73 soil weight soLcAak coo mama CLAY 750 soil weight SILT 6 61 Z soil weight TEXTURE cain LFS LFS SCL SAND 95 99 soil weight rock 1 28 voll 3 SOL_ALB 1 06 fraction USLE_ amp 0 17 0 013 tnr hrima t cm SOLEC 1 00 dS m Layer Delete Load 5al Add New Modify Add New Help Exit Figure 14 4 Note If the cursor is placed on top of any text box or b
171. er generator stations Custom weather generator data should be entered into the User Weather Stations database prior to creating the project see Section 14 dBase Table Format Preferred 4 fields D integer Gage identification number dBase Table Format Alternative 4 fields This format can be used only if the projection is defined in the project iD integer Gage identification number dBase Table Format Alternative 6 fields This format must be used if the projection is not defined in the project ID integer Gage identification number floating point Y coordinate in the defined projection floating point Latitude in decimal degrees LONG floating point Longitude in decimal degrees The user will provide a record for each station to be used the Name field will contain the string used as the station name in the User Weather Stations database The gage name must be the same as the gage name listed for the weather generator data in the User Weather Stations database When using the alternative table format the projection of the maps used in the interface must be defined in order for the interface to convert the latitude and longitude to the proper coordinate values When using the alternative table format the projection of the maps used in the interface must be defined in order for the interface to convert the latitude and longitude to the proper coordinate values 17 Note Station names s
172. ers by the user a Click the name of the land cover plant 280 b Click the button labeled Default at the bottom of the dialog box c A prompt box will appear Figure 14 32 Set Apple To Default Figure 14 32 d To recover default values click Yes To abort the recovery of default values click No To add a new land cover dataset A new land cover may be added to the database by setting parameters ona blank form or by copying data from an existing land cover record to a new record To add a new land cover using a blank form a Click the button labeled Add New Cover Plant Growth dialog box on the Land b A modified dialog box will appear which contains input fields for the growth parameters Figure 14 33 The interface will preset the values to the minimum allowed for the parameters f oa E a i Figure 14 33 281 c At this point the user may type the necessary data into the different fields d Once the land cover data is entered click the button labeled Save neel ave Ca __ see to store the data or click the Cancel Oo oC button to exit the editor without saving e The CROP Hydrological Parameters dialog box is displayed when data for a new land cover plant is saved Figure 14 34 CROP Hydrological Parameters Cropname Corm CPN CORN Hydrological Group 4 67 00 BE B 7700 E OVN 63 00 Manning s Roughness e700 Factor n T
173. es assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed b rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf To remove a pesticide a Highlight the name of the pesticide in the list by clicking on it b Click the Remove Pesticide _Remove Pesticide button c Aprompt box appears Figure 12 79 G Do you want to delete 4 Rest from the Curent Pesticide List 7 Figure 12 79 d Click Yes to remove the pesticide or click No to abandon the delete process Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made If unacceptable parameter values were inserted a message box similar to the one described in Step 2 may be displayed Click OK and return to editing and correct the values If the user saves the modified values once the values are saved for the HRU by clicking OK in Step 3 a new dialog box is displayed allowing the user to copy the modifications to other HRU data sets Figure 12 80 2 Chm 5 FRSD_PAO 2 Extend the same data set to Subbasins Landuses All FASD Selected C Selected C Selected
174. etc Appendix 2 lists numeric and alpha codes for all states b From the CD or the web site copy the zip file containing the soils data for the state to the directory created in step a c Unzip the soils data using WinZip or pkunzip If you have installed the SWAT2000 ArcView interface on your machine and wish to upgrade the interface to a new version please perform the following steps prior to installing the new version 1 Uninstall the old version of the interface 2 Make sure the nstallation dirdirectory and all subdirectories are removed from your machine 3 Delete ESRI Av_gis30 ArcView Ext32 avswat avx The directory structure created by the interface is displayed in Figure 2 1 28 Exploring default File Edit View Tools Help default All Folders A S WAT 2000 AvSwatDb Alls statsgo weather Example J amask J dem a into 2 landuse C soil Example A Exinputs 2 Helpdocs O MatScen A AvSwatPr I GenSen new newz scenarios AMM J scen 2 tablesin CJ tablesout C tetinout 3 4 watershed 2 grids I shapes G tables text id F 4 objectis O bytes Disk free space 1 3166 Figure 2 1 E scen File Folder 51701 8 30 AM J tablesin File Folder B1701 8 30 4M I tablesout File Folder 6 1 01 8 30 AM EE tstinout File Folder 6 1 01 8 30 AM a J The nstallation dir directory is created during installation and initial
175. eter ranges are stored in resrng dbf Exit e Once all editing changes have been made click Exit f A prompt box may appear notifying the user of out of range parameter values Figure 14 6 Fields Out Of Parameter Ranges Figure 14 6 Click OK A prompt box will then be displayed Figure 14 7 265 To Go Back and Change Yalues Press No Do you want to Continue with present setting Figure 14 7 Click No to return to editing and correct the values or click Yes to continue with the exit g A prompt box appears Figure 14 8 Do you want to save the changes to the Soll named Sample Figure 14 8 h To save the editing changes click Yes To discard the editing changes click No To add a new soil dataset A new soil may be added to the database by setting parameters on a blank form by loading data from a SWAT Soil Input File or by copying data from an existing soil record to a new record To add a new soil using a blank form a Click the button labeled Add New Add New on the User Soils dialog box b A modified dialog box will appear which contains input fields for the soil profile data Figure 14 9 If the minimum value in a field is greater than 0 0 the interface will preset the value in the blank form to that minimum 266 2 User Soils By Soil By Layer SNAM LO ee oo m NLAYERS T 1 to 10 SOLBD f 110 g cm3 HYDGAP A A B C oD soLawe 0 00 mm mm sol zM
176. ettings for SWAT input 2 A message box will appear requesting the user to confirm the Write All command Click Yes 3 When the interface reaches the point where general subbasin data is compiled a prompt box will appear asking the user if the default Manning s n value of 0 014 for overland flow should be changed Click No 4 When the interface reaches the point where main channel data is compiled a prompt box will appear asking the user if the default Manning s n value of 0 014 for channel flow should be changed Click No 5 When the interface reaches the point where management data is compiled a prompt box will appear asking if plant heat units should be estimated or set to a default value Click Yes to estimate 6 A message box will be displayed upon completion of the SWAT input database initialization Click OK SECTION 15 1 6 RUNSWAT 1 On the Simulation menu click Run SWAT Figure 15 41 a lakefork swat 4 SWAT 2O000 Blackland Research Center Yer 0 9 a TE View heme a Edit input Sea Fepots Window Help af Wi ea gages a Figure 15 41 2 A dialog box will be brought up Figure 15 42 339 A Set Up and Run SWAT model simulation 1o w Ny December E a De Daily rain CH Daily 7 Figure 15 42 3 The initial and final day of simulation are set to the first and last days of measured weather data Leave those values set to 1 1 1977 and 12 31 1978 Set the Potential
177. fault minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difnavswatdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf d Once all editing changes have been made click Exit et e A prompt box appears Figure 14 64 Save Change OO O Do pou want to save the changes to the Pesticide named BEDDER DISK ROW 7 Figure 14 64 f To save the editing changes click Yes To discard the editing changes click No To recover default values for an edited tillage operation The default values for the tillage operations provided with the interface are stored and can be recovered at any time This procedure may only be performed for tillage operations provided with the interface This procedure will eliminate all changes made to the tillage parameters by the user a Click the name of the tillage operation b Click the button labeled Default at the bottom of the dialog box c A prompt box will appear Figure 14 65 301 Set BEDDER DISK ROW To Default Are pou sure You want to set BEDDER DISK AQ W Back to t default setting 7 Figure 14 65 d To recover default values click Yes To abort th
178. for SWAT groundwater input parameters Initial SWAT ASCII gw input files are also generated The Input Menu Write Water Use Data wus The Write Water Use Data wus command creates an ArcView table wus dbf that stores values for SWAT water use input parameters Initial SWAT ASCII wus input files are also generated 50 The Input Menu Write Management Data mgt The Write Management Data mgt command creates an ArcView table mgt dbf that stores values for SWAT management input parameters Initial SWAT ASCII mgt input files are also generated The Input Menu Write Soil Chemical Data chm The Write Soil Chemical Data chm command creates an ArcView table chm dbf that stores values for SWAT soil chemical input parameters Initial SWAT ASCII chm input files are also generated The Input Menu Write Pond Data pnd The Write Pond Data pnd command creates an ArcView table ond dbf that stores values for SWAT pond wetland input parameters Initial SWAT ASCII pnd input files are also generated The Input Menu Write Stream Water Quality Data swq The Write Stream Water Quality Data swq command creates an ArcView table swaq dbf that stores values for SWAT stream water quality input parameters Initial SWAT ASCII swq input files are also generated SECTION 4 2 3 THE EDIT INPUT MENU The Edit Input menu is one of four new menus introduced in the SWAT View The Edit Input menu allows you to edit the S
179. g li Sub hourly G amp A Daily refers to sub hourly rainfall Green amp Ampt runoft daily routing ii Sub hourly G amp A Hourly refers to sub hourly rainfall Green amp Ampt runoff hourly routing See Soil and Water Assessment Tool User s Manual Version 2000 Chapter 4 for more information about these options Note The second and third options require sub daily precipitation See Soil and Water Assessment Tool User s Manual Version 2000 Chapter 7 for the required formats The user must create a file called pcp pcp with the sub hourly precipitation to replace the pcp pcp file generated by the interface when the button labeled Set up Swat Run see 3 below is clicked The file should be copied to the directory project name scenarios default txtinout before running the model c Rainfall distribution In this section the user selects the distribution used to generate precipitation data The user may choose between two options Skewed normal or Mixed exponential using the respective radio button When Mixed exponential is selected a text box is enabled for the user to specify the exponent Figure 13 5 Rainfall distribution C Skewed normal Exponent o EE Figure 13 5 233 See Soil and Water Assessment Tool User s Manual Version 2000 Chapter 4 for more information about these options Potential ET method In this section the user selects the method used to estimate potential evapotranspiration
180. g point Latitude in decimal degrees LONG floating point Longitude in decimal degrees ELEVATION Elevation of rain gage m The user will provide a record for each station to be used the Name field will contain the string used to name the linked precipitation data table Note Station names starting with a numerical character are not allowed When using the alternative table format the projection of the maps used in the interface must be defined in order for the interface to convert the latitude and longitude to the proper coordinate values 20 Precipitation Data Table dBase or ASCII The precipitation data table is used to store the daily precipitation for an individual rain gage This table is required if the raingage option is chosen for rainfall in the weather data dialog box There will be one precipitation data table for every location listed in the rain gage location table The name of the precipitation data table is name dbf or name txt where name is the character string entered for NAME in the rain gage location table This table may be formatted as a dBase table or as a comma delimited text table dBase dbf Table Format 2 fields Field format DATE date mmdd Day of precipitation floating point f5 1 Amount of precipitation mm Note An example precipitation table is in Installation dir lavswatdb exinputs precip dbf ASCII txt Table Format Field format Yyyymmdd string Starting day
181. g to the project you wish to open 2 SWAT projects File Hame Directories ok newz swal chavemat 1 Cancel Hew swat Ss news swat news swat C avswatdb A new swat C avswatpr A new5S swat 4 genecn newb swat C new fq new is M news kd List Files of Type Drives SWAT projects swat C Figure 4 4 3 Once the desired project name is displayed in the text box called File Name click OK 4 A prompt box will be displayed which offers the option of making a backup copy of the project If you wish to make a backup copy of the project click Yes If not click No 5 The project window for the SWAT project will be displayed The layout of the window is recreated from the last time the project was saved The user may also open a project without loading the AVSWAT2000 extension To open a project directly from ArcView select Open Project on the ArcView File menu A browser will be displayed Use the directory tree to open the project directory Within the project directory an ArcView project apr file is stored Select this file and click OK ArcView will load the SWAT interface and open the project in one step 39 SECTION 4 1 3 COPY IMPORT PROJECT To copy an existing SWAT Project 1 On the main interface click the button beside Copy Import Project 2 A browser will be displayed Figure 4 5 If necessary move to the proper directory Type or click the name of the SWAT project log file
182. harge data from disk Figure 10 12 3 Average Monthly Daily Loadings hopOpcp dbf d hop pep dbf avamat hop pep dbf avsmatdb hop 3pcp dbf hop4pcp dbf luc dbf nutrient dbf dBASE r Figure 10 12 iv Select the file and click OK or double click the selection 159 d Daily Loadings If the inlet discharge loadings are to be input summarized on a daily basis verify that the radio button labeled Daily Records f Daily Records is selected The Daily Loadings section of the dialog box is now enabled Figure 10 13 Daily Loadings m Figure 10 13 This option requires the user to summarize loadings by day see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 31 Prior to creating the project a data table should be set up following the format specified for Daily Loadings in Section 3 3 i Click on the open file folder button rar the left of the text box li A prompt box will appear so that the user can specify the format of the file containing the average daily inlet discharge loadings Figure 10 14 Select dBASE dbf or text file txt and click OK lt 2 Daily Loadings Choose the kind of table dbf tile string fields bet file comma delimited Figure 10 14 lil A browser will be displayed allowing the user to select the dBASE file dbf or text file txt file containing the inlet discharge data from disk Figure 10 15 160 Dail
183. he ASAE 43 5 1077 1087 Srinivasan R J G Arnold T S Ramanarayanan and S T Bednarz 2000 Modeling Wister lake watershed with the soil and water assessment tool SWAT J American Water Resources Association in review SECTION 2 INSTALLING THE ARCVIEW INTERFACE System Requirements The SWAT2000 Arcview Interface requires Personal computer using a Pentium processor or higher which runs at 166 megahertz or faster 64 megabytes RAM minimum Microsoft Windows 95 98 NT 4 0 or Win2000 operating system with most recent kernel patch VGA graphics adapter and monitor The interface works best when the resolution is set to 800 x 600 or 1024 x 768 pixels the color palette is set to 8 bit 256 colors or 16 bit 32768 colors and the display font size is set to small fonts 50 megabytes free memory on the hard drive for minimal installation and up to 300 megabytes for a full installation ArcView 3 1 or 3 2 software Spatial Analyst 1 1 or later software Dialog Developer 3 1 or later software While 50 MB is adequate memory for installing the interface you may need considerably more memory to store the tables generated when the interface processes the map layers We have found that a 2 gigabyte hard drive works very well for storing ArcView the SWAT ArcView interface and project maps and tables Microsoft constantly updates the different versions of windows This interface was developed with the latest versi
184. he format described in Section 3 lt 2 Import Table Raing File Marne Directories DK pcpfark dbf d Vavswat Sayvsimatdb example hopUpcp dbf F gt dA Cancel hop pep db gt avewal 7 hop2pep dbf gt avewatdb hop 3pcp dbf hop4pcp dbf C amask luc dbf C dem nutrient dbf C info amp ocotork dot Ma landuze hd List Files of Type Drives dBASE d Figure 7 3 Highlight the name of the precipitation gage location table and click OK or double click the selection The precipitation gage locations will be loaded in the SWAT Viewas the Raingages point theme and the data path will be displayed in the text box Temperature data optional In this section the user can import measured temperature data for use in the project To use measured temperature data select the Climate Stations radio Climate stati button DAR RAE Glick the open file folder button next to the text 130 box that appeared with the radio button that was selected Locations table fF A file browser Figure 7 4 allows you to select the dBASE Temperature gage location table The temperature gage location table is prepared by the user following the format described in Section 3 2 Import Table Tempg File Name Directories DK d avewat Layswatdb examplel A hopOpep dbt a E gt d Cancel A hop pep dbf o gt avswat O hop2pep dbt gt avewaldb hop3pep dbf pe 4 hop4pcp dbt C amask
185. hey swat chavsiat 1 heysiat Lancel A new swat A newz swat 4 avswatdb news swat CG avswatpr new swat 4 genecn Py new5 swat C hey newb swat C new z M newz List Files of Type Drives SWAT projects swat C Figure 4 7 3 Once the desired project name is displayed in the File Name text box click OK 4 A prompt box will appear to verify the delete command To continue with the delete process click Yes To abandon the delete process click No 5 The selection mouse pointer will be replaced with an hourglass symbol during the delete process Once the delete process is complete a prompt box will be displayed Figure 4 8 Click OK 41 Info i Deleted Froject newid swat Figure 4 8 SECTION 4 1 5 Exit ARCVIEW To close the SWAT ArcView interface and ArcView 1 On the main interface click the button beside Exit ArcView 2 A prompt box will be displayed requesting the user to verify the command Figure 4 9 Exiting ArcView will close the interlace and Arcview without saving any changes made since the last save Do you wish to proceed Yes Figure 4 9 3 To close the SWAT ArcView interface and ArcView program click Yes To abandon the exit procedure and return to the main interface screen click No SECTION 4 1 6 EDIT SWAT DATABASES To edit the SWAT Databases 1 On the main interface click the button beside Edit SWAT Databases 2 Adialog box will appear with a l
186. ich contains input fields for the fertilizer data Figure 14 48 Fertilizer database Fertilizer Hame ee FERTNM B characters FMINN D000 kg min Nka fertilizer FMINP oo kg min F kg fertilizer FORGH ooo ka org Mka fertilizer FORGP 2 000 fkg org Pkg fertilizer FNH 3M ooo kg NH3 Neko min N BACTPOB OPTIONAL ooo bactera kg manure BACTLPOB OPTIONAL ooo bactena kg manure BACTKDDE OPTIONAL G 000 fraction ls Manure D Save Cancel Help Figure 14 48 290 c At this point the user may type the necessary data into the different fields d Once the fertilizer data is entered click the button labeled Save tee to store the data or click Cancel ooe to exit the editor without saving e The user is returned to the original Fertilizer Database dialog box The list of fertilizers in the database will include the name of the fertilizer just added To add a new fertilizer by modifying an existing record a From the Fertilizer Database dialog box click the name of the fertilizer to be copied b Once the fertilizer data is displayed click the button labeled Add New Modify Add New Morits c A modified dialog box will appear with all the data fields filled except the fertilizer name Figure 14 49 Fertilizer database Fertilizer Mame ee FERTNM COB characters FMINN 1000 kg min Nka fertilizer FMINP a000 kg min Pkg fertilizer FO
187. ild dBASE tables apply a calibration tool and perform load calculations Select the Simulation menu using the mouse or by pressing the ALT S keys Four items are listed on the Simulation menu Figure 13 1 it new swat AVS WAT ZOO00 Blackland Research Center Yer 1 0 File Edt View Theme Input Editlnput BRE Depots Window Help gt FIE Run SWAT Crd Read Results Crid B EEEE A 2 Calibration Tool Cmd C Make Delivered Load Table Cmd O dl Weeagages a al Tempgages i Figure 13 1 SECTION 13 1 RUN SWAT The first command in the Simulation menu allows the user to set up and run the SWAT model 1 Select Run SWAT from the Simulation menu on the SWAT View or press Cmd A Figure 13 2 2 newl swat AYSWAT 2000 Blackland Research Center Yer 1 0 5 View Theme ren Edit Input Simulation Reports Window Help SI rh see Run SWAT Cmd Read Results Cmd E Calibration T ool Crid C Make Delivered Load Table Crd D ia SWAT View dl Wea gages al Tempgages ri Figure 13 2 2 The Set Up and Run SWAT model simulation dialog box is displayed Figure 13 3 231 Set Up and Run SWAT model simulation Pernod of simulation Starting date Ending date January i 1995 January E 1998 Month Day Year Month Day Year Ranfal Runoff Routing Riainfall distribution Fotential ET method Daily rain CN 7 Dally gt eBbewataemeh
188. ill appear once the project has been saved Click OK to return to the main interface The project must be saved via the Save Project option on the main interface menu or by the Save Project button diskette symbol or File menu item for the user to be able to fully restore the project in the interface at a future time SECTION 4 1 8 ENVIRONMENTAL V ARIABLES To set the environmental variables for a project While the user specifies the directory where output from the interface is stored with the New Project command the Environmental Variables command is used to identify the directory where data accessed by the interface is stored i e interface input The types of data and map themes required to run the interface are reviewed in Section 3 1 On the main interface click the button beside Environmental Variables 2 A prompt box will appear which shows the locations of data and programs used by the interface Figure 4 11 While the SWAT ArcView interface will automatically set the locations of SWAT Programs and SWAT Databases upon installation the SWAT User Data directory needs to be defined for every new project Whenever a browser is activated it will automatically open the SWAT Users Data directory While the maps for the interface can be located any place the user wishes the precipitation temperature solar radiation relative humidity wind speed and weather generator data files must be stored in this directory 4
189. in LULC USGS table User table Figure 6 21 Two options are listed If the land use map theme uses USGS land use land cover classification codes the built in LULC USGS table may be selected Otherwise the user will supply a table to be imported by the interface Use built in USGS land use classification table i Highlight Built in LULC USGS table Click OK Use custom classification table i Highlight User table Click OK ii A prompt box will appear that allows the user to specify the format of the land use classification table Figure 6 22 The land use classification table may be formatted in dBASE dbf or ASCII txt 105 dbf file string fields tut file comma delimited Figure 6 22 iii Select the proper format and click OK iv A browser will appear allowing you to select and load the look up table from disk Figure 6 23 F A User table hopOpep dbf fo dA hopi pop dbf gt avewal7 hop2pcp dbf gt avewatdb hop 3pcp dbf hop4pcp dbi EE C amask luc dt fo dem nutrient dbf ee a p B B B p g dBASE Figure 6 23 Information on the land use classification or look up table format G BASE and ASCII is provided in Section 3 Highlight the name of the look up table and click OK i The interface will insert LanduseSWAT codes from the table into the list box Figure 6 24 106 J Definition of LandUse and Soil Themes d wavewat T Snews watershe
190. ineation of subbasins and HRUs within the watershed Figure 4 18 displays the Avswat menu E newl swat AVSWAT2000 Blackland Research Center Yer 1 0 a fe ey Theme Analysis Surface Graphics vag hena Help aee ie ael 2 Ayveswat Main Interface Dialog Automatic Delineation a ae ae ae ae ne ee ee ee ee Land Use arid Sea Gy Watershed HAs distribution 4 Subbasins Reports SWAT View al Streams PN Figure 4 18 The Avswat Menu Avswat main interface dialog The Avswat main interface dialog command returns the user to the main interface screen Figure 4 2 The Avswat Menu Automatic Delineation The Automatic Delineation command accesses the dialog box used to import topographic maps and delineate the watershed This procedure is reviewed in Section 5 The Avswat Menu Land Use and Soil definition The Land Use and Soil definition command accesses the dialog box used to import land use and soil maps link the maps to SWAT databases and perform an overlay This procedure is reviewed in Section 6 The Avswat Menu HRUs distribution The HRUs distribution command accesses the dialog box used to define the number of HRUs created within each subbasin in the watershed This procedure is reviewed in Section 6 The Avswat Menu Reports The Reports command lists various reports generated by the interface To access a particular report highlight the name of the report and click the left mouse button The report of interest
191. ingages Write Groundwater Data gw Ctrl l Write Water Use Data wus Ctrl y Subbasins Write Management Data rat Ctrl k m Write Soil Chemical Data chm Ctrl L v AS Write Pond Data pnd Ctrl M Wite Steam Water Quality Data swg Ctrl h 4 SoilClass M s Figure 8 1 Before SWAT can be activated the initial watershed input values must be defined These values are set automatically based on the watershed delineation and land use soil characterization see Section 5 and Section 6 or from defaults There are two ways to build the initial values activate the Write All command or the individual Write commands on the Input menu The individual Write commands have been left on the menu for debugging purposes The majority of users will perform the first option 135 SECTION 8 1 WRITE ALL 1 Select the Write All item from the Input menu on the SWAT View or press Ctr1 B Figure 8 2 2 newl swat A S WAT2000 Blackland Research Center Yer 1 0 be E Mew Theme Edit Input Simulation Reports Window Help EAE Weather Stations Ctri s write All Ctrl B TETEE File fig Ctrl C vite sol Data isal Emito Wea eather Gencat tatal wan Erte rite Shines Genea Data suil fete al Tempgages vite HRU General ate rri Etrit amp nite Man Enanne Weta ibe ENEH Raingages wite Groundwater ate ag Etri E r Weaga ges wite wate Use Data l wue Eriti Subbas ins Tite Management Mata tmat trl Fhe
192. ings If the point source loadings are to be input as average daily loadings for each year verify that the radio button labeled Annual Records 4nhualRecods is selected The Average Annual Daily Loadings section in the dialog box is now enabled Figure 9 7 Figure 9 7 This option requires the user to summarize daily loadings by year see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 31 Prior to creating the project a data table should be set up following the format specified for Annual Loadings in Section 3 3 to the left of the text box i Click the open file folder button L ii A prompt box will appear so that the user can specify the format of the file containing the average annual point source loadings Figure 9 8 select dBASE dbf or text file txt and click OK E Average Annual Daily Loadings txt file comma delimited Figure 9 8 149 lil A browser will be displayed allowing the user to select the dBASE file dbf or text file txt file containing the point source data from disk Figure 9 9 E Average Annual Daily Loadings File Marne Directories cK d avswat T Vavewatdb example E hopOpep dbf FS dA Cancel Py hop pep db gt avewal7 A hop2pep dbf gt avewatdb fy hopSpecp dbt ge example fy hop4pcp dbf C amask fA luc dbf C dem Py nutrient dbf C info FA ocotork dbf kd Ma landuze kd List Files of Type Drives
193. inimized and the cursor will become a crosshair Click over the target subbasin area to add a reservoir 3 A prompt box will be displayed asking for verification of the reservoir placement Figure 5 57 92 Adding a Reservoir G Add a Reservoir to subbasin number 2 7 Figure 5 57 If the wrong subbasin is listed click No and repeat step 2 If the correct subbasin is listed click Yes The new reservoir location will be placed at the outlet of the respective subbasin Once the first reservoir location is added the new Reservoirs theme will be added to the Watershed View Figure 5 58 T newl swat AVSWAT2000 Blackland Research Center Yer 1 0 a 5 iew o Analysis Surface a FIE Ta E i Watershed yi Reserwois af Outlet Linkingstream added Outlet Manually added Outlet ral Streams inf al Subbas ins al Waters hed Dem 106 146 __ 126 136 148 __ 166 166 176 P 186 Figure 5 58 Tip The user is allowed to add a single reservoir location for each subbasin Refine the outlet set if more than one reservoir location needs to be set in the current subbasin area 93 Removing a reservoir s Remove 1 Click the 2 The Watershed Delineation dialog box will be minimized and the mouse cursor will become a square Draw a square around the reservoir s you wish to remove by holding down the left mouse button button 3 A prompt
194. int f12 3 Average daily loading of conservative metal 2 for year kg day CMTL3YR floating point f12 3 Average daily loading of conservative metal 3 for year kg day BACTPYR floating point f12 3 Average daily loading of persistent bacteria for year bact 100ml BACTLPYR floating point f12 3 Average daily loading of less persistent bacteria for year bact 100ml Note An example annual point discharge table is in Installation dirlavswatdb exinputs pointsyearly dbf ASCII txt Table Format The ASCII table format for yearly records will be a comma delimited text file with the same data reported above for the dBASE format The first line of the file will contain the field names while the remaining lines will contain the loadings summarized on an annual basis Note An example annual point discharge table is in Installation dir avswatdb exinputs pointsyearly txt 30 Point Discharge Data Table Monthly Loadings dBase or ASCII Point source or inlet discharge data may be summarized in one of four methods constant daily loadings average annual loadings average monthly loadings or daily loadings If the discharge data is summarized as constant daily loadings the data will be entered in the Point Discharges Data dialog box For the other three methods the interface requires a file to have been previously created that contains the point discharge data This section describes the format of the point dis
195. interface will save all the settings changes and return to the Edit Subbasins Inputs dialog box Figure 12 3 178 SECTION 12 2 EDIT WEATHER GENERATOR INPUT DATA WGN 1 Click on Wgn in the Select Input File list of the Edit Subbasin Inputs dialog box The parameters used to generate weather data for the subbasin are displayed in a new dialog box titled Wgn Subbasin Figure 12 12 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 13 Won Subbasin 5 Weather Station Hame PASALINAZW WwLATITLIDE 40 52 Degrees Rain YAS 10 fears WLONGITUDE 9 55 Degrees WELEV 336 3 m Monthly FEE SR a O O G TMPM C PRW Jan iB uk f 2859 TMPMN C PR W2 Feb 40 Aug O 279 C TMPSTOM C PCP Ma 969 Sep 2443 TMPSTDMN f RAINHHM dp 1695 Oct 1803 PCPMM C SOLAR AM My 2265 No 11 05 C PCPSTD DEWPT Jun 265 Dec ae PCPS CO WNDAV E Load wgn Help Cancel 0K Figure 12 12 Note If the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown The data are separated into two groups the first set of parameters contains variables that require a single value Variables that require values for each month of the year are located in the section of the dialog box labeled Monthly parameters The data fields for the monthl
196. ions to other HRU data sets Figure 12 70 et Mgt 1 PAST _TX619 Extend the same data set to Subbasins Landuses Sails te Al PAST TABI C Selected Selected C Selected Figure 12 70 214 a If you do not want to copy the edited management data to other data sets click No The changes will have been saved for the individual HRU and no others b If you wish to copy the edited management data to other data sets proceed as follows Specify in the Subbasins section of the dialog box the subbasins to which the edited management data will be copied Select the All All button to copy to all the subbasins If the changes are to be copied to only certain subbasins click the Selected Selected button to specify the subbasins When the Selected button is active a list of subbasins will be displayed Figure 12 71 Selected Figure 12 71 Highlight the subbasin s to which you would like the data to be copied from the new enabled list by clicking on the subbasin number To select more than one subbasin hold down the Shift key while highlighting the subbasin numbers Specify in the Landuses section of the dialog box the landuse type s within the specified subbasins to which the management data will be copied Select the button labeled with the name of the original landuse other additional landuses When the Selected button is active a list of landuses will be displayed Figure 12 72 215
197. is a function of the project goal and the amount of detail desired by the modeler For most applications the default settings for land use threshold 20 and soil threshold 10 are adequate i Specify the Landuse threshold level by moving the pointer on the first Land Use 2 over Subbasin Area 20 4 0 30 0552 slide bar lil Specify the Soil threshold level by moving the pointer on the second Soll Class 2 over Land Use Area 2 10 F slide bar 100 4 Click OK 5 If the Multiple Hydrologic Response Units option was selected and the soil class threshold was set too high a message dialog is displayed Figure 6 55 124 Please redo threshold i Please decrease the Soil Class 2 over Land Use Area Figure 6 55 If this message is displayed close the message box decrease the soil threshold value and click OK on the Swat Model definition of the land use soil distribution dialog box to repeat the HRU definition process Once the HRUs are created a message dialog pops up Figure 6 56 i Completed HAUs distribution Figure 6 56 Click OK A report named SWAT model LandUse and Soil Distribution after threshold application is generated during the HRU definition process Figure 6 57 This report provides a detailed description of the distribution of the landuse and soil classes after application of thresholds for the watershed and all the sub watersheds The
198. is used to call the weather generator to generate a value to replace the missing data during run time When setup of the weather database is complete a message dialog is displayed Figure 7 9 al Figure 7 9 Click OK 134 SECTION 8 CREATION OF INPUT The Input menu is one of four new menus introduced in the SWAT View The items contained in the Input menu allow the user to build database files containing the information needed to generate default input for SWAT Select the Input menu using the mouse or pressing the ALT I keys Several commands are listed on the Input menu Figure 8 1 These commands are enabled in sequence the next command is enabled only after the steps associated with the previous command are completed and need to be processed only once for a project However if the user modifies the HRU distribution see Section 6 1 and 6 2 after building the input database files the Input menu commands will need to be processed again i newl swat AVSWATZO00 Blackland Research Center Yer 1 0 File Edit View There EditInput Simulation Reports Window Help E a i i Stations Cirle CERREN Write All Ctr B Fees EMA Write Configuration File fig Ctrl C i SWAT View Wiite Soil Data sol Che il Weagages Fai Write Weather Generator Data wan Ctr E Write Subbasin General Data sub Ctrl F W Tempgages Write HAU General Data hru Che Write Main Channel Data rte Ctrl H Ra
199. ist Files of Type Drives dBASE d Figure 15 21 Select nutrient dbf from the list of tables and click OK The subbasin outlet locations loaded from the table are displayed as white dots Figure 15 22 326 Figure 15 22 18 To manually add subbasin outlets first verify that the Outlet radio button is selected Inlet Oute Then click the button labeled Add 19 The dialog box will be minimized Use the mouse to move around the map and click with the left mouse button to place a subbasin outlet where the mouse is positioned Subbasin outlets added manually will be displayed as red dots Add four outlets so that the map looks similar to Figure 15 23 z n sds ee ea lis ma ke Bl EE ray ae Figure 15 23 321 20 Once the display of subbasin outlets is satisfactory me aele outlet must be selected Click the button above Select oie The dialog box will be minimized and a prompt box will appear Figure 15 24 iiain watershed outlet s selection Hold shift Key down once sele E Figure 15 24 21 Select the subbasin outlet located on the lower right Figure 15 25 to be the subbasin outlet by holding down the left mouse button and moving the mouse to form a box around the outlet dot The outlet dot will turn el when it is aiaa li b eli ak Saad Ae a By ch aidan F Fires cl E wa 15 a erena A Samih ae aPN a an T DRE m i ei 7 xj Figure 15 25
200. ist of the databases Figure 4 10 42 Edit SWAT databases For editing double click on the data base name User Sails User Weather Stations Land Cover Plant Growth Pesticide Tillage Urban Figure 4 10 seven databases are available for editing User Soils This database is used to store custom soil data Data is entered into this database for soil maps that do not use the soil database included with the interface User Weather Stations This database is used to store custom weather generator station data Statistical weather data is entered into this database for weather simulation stations not included in the provided database Land Cover Plant Growth This database contains SWAT plant growth parameters While users are given the option of modifying existing land cover plant parameters or adding additional plant species to the database we would like to emphasize that changes to the plant database should be based on experimental data The typical user will not need to make changes to this database Fertilizer This database contains SWAT fertilizer parameters Both inorganic and organic manure fertilizer data is stored in this database Pesticide Tillage Urban Section 14 describes the procedures used to modify the databases SECTION 4 1 7 SAVE CURRENT PROJECT To save the active SWAT project 1 On the main interface click the button beside Save Project 2 A prompt box w
201. it the Fertilizer Database Exit a From the Fertilizer Database dialog box click Exit 292 SECTION 14 5 PESTICIDE DATABASE To edit the Pesticide Database 1 Double click Pesticide on the list of databases Figure 14 51 Q Edit SWAT databases For editing double click on the data base name User Soils User Weather Stations Land Cover Plant Growth Fertilizer Tillage Urban Figure 14 51 2 The Pesticide database dialog box will be displayed Figure 14 52 Edit Pesticide 2 4 D Acid 2 4 D amine 2 4 DB Ester 2 4 DB Sodium amine 3 LPA Sodium 5 alt AC 263 499 Acephate Aciuorten Alachlor Aldicarb Aldicarb Sulfone Add Hew Help Exit Figure 14 52 A list of pesticides in the database is displayed on the left side of the dialog box 293 3 The user has four options edit an existing pesticide add a new pesticide delete an existing pesticide or exit the database To edit an existing pesticide a Click the name of the pesticide to be edited b The data for the pesticide will be displayed Figure 14 53 A complete description of the parameters is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 16 amp Edit Pesticide Amitrole Aneyridal Pesticide Name J Atrazine Satie ii Prame Aatrex 17 character Arsenic Acid SEO 100 0 mg kg mg Asulam Sodium Salt wOF U 45 fraction Atrazine O HLIFE_F 5 00 days
202. ity Input File Wha tf Yearly l Chek Input Ranges Setup SWAT Run Run St T Figure 13 25 A tool is provided to check the ranges of all input values The user is not required to check the ranges of input values If the user wishes to check input values the following steps are performed l Chek Input Ranges a Click the Check Input Ranges button b A warning is displayed the process could be time consuming Figure 13 26 Warning This operation might take several minutes Continue Figure 13 26 243 C d G Click No to abort the checking process or click Yes to continue The checking process searches for parameters in the current watershed input database and the SWAT model databases that are out of range When finished a message notifies the user Figure 13 27 Check Completed See Report SWAT model Check Parameters Ranges Figure 13 27 The tool has generated a report titled SWAT model check parameter ranges This report is accessed by selecting Show List from the Reports menu and selecting the report name from the list Click OK Tip The user should correct the input parameters that are out of range before proceeding with the SWAT model run 9 Once all the input files are built the user can run the model Click the Run Run SWAT swar bution 10 When the SWAT simulation terminates one of two message boxes will be displayed a lf the simulation
203. k a prompt dialog pops up Figure 6 10 LandUse Grd Theme s Figure 6 10 If the land use grid is not projected click No to exit This will stop map processing lf the land use grid is defined in the same projection as the DEM click Yes to proceed A browser will be displayed allowing the user to select the land use grid Figure 6 11 a Select Grid theme s from Disk Be amask Be dem Be landuse Be zoil Figure 6 11 fee dh gt avewal7 gt avenwatdh ae example 100 Note The base cell size of the land use grid is automatically set to the same size as the DEM grid cell This is required to oroperly overlay the different maps for comparison 4 The Load and Clip Land Use process might return an unsuccessful report Figure 6 12 if none of the selected theme s either grids or shape overlay part of the watershed Click OK and the process will be stopped i The Selected Shape Themel do not overlay the watershed zone Figure 6 12 5 When this step is complete a Load and Clip Land Use message box will appear Figure 6 13 stating that the land use theme has been processed and clipped to the watershed boundaries The message box also reminds the user to load a look up table or manually define the land use classes for the theme 2 Load and Clip Land Use data The landuse data have been successfully loaded and clipped to the Watershed boundary Before clicking the Heclassit
204. ka Mineral soluble Phosphorus U 000 ka Ammonia NH3 0 000 kal Nitrite NO2 0000 ka Conservative Metal 1 o oo kg Conservative Metal 2 0 000 kal Conservative Metal 3 PO oaao kg Persistent Bacteria 000 bact100rnl Less Persistent Bacteria oo bacte 1 00r Figure 10 6 b Average annual daily loadings If the inlet discharge loadings are to be input as average daily loadings for each year verify that the radio button labeled Annual Records Annual Records is selected The Average Annual Daily Loadings section in the dialog box is now enabled Figure 10 7 Average 4nnual Daily Loadings Figure 10 7 This option requires the user to summarize daily loadings by year see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 31 Prior to creating the project a data table should be set up following the format specified for Annual Loadings in Section 3 3 i Click the open file folder button rar the left of the text box ii A prompt box will appear so that the user can specify the format of the file containing the average annual inlet discharge loadings Figure 10 8 Select dBASE dbf or text file txt and click OK 157 Aa Average Annual Daily Loadings txt file comma delimited Figure 10 8 iii A browser will be displayed allowing the user to select the dBASE file dbf or text file txt file containing the inlet discharge data from disk
205. l Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf d Once all editing changes have been made click Exit et e Aprompt box appears Figure 14 72 Save Change OO O Do you want to save the changes to the Urban area named Commercial Figure 14 72 f To save the editing changes click Yes To discard the editing changes click No To recover default values for an edited urban land type The default values for the urban land types provided with the interface are stored and can be recovered at any time This procedure may only be performed for urban land types provided with the interface This procedure will eliminate all changes made to the urban parameters by the user a Click the name of the urban land type b Click the button labeled Default at the bottom of the dialog box c A prompt box will appear Figure 14 73 306 Set Commercial To Default Are you sure you want to set Commercial back to it default setting 7 Figure 14 73 d To recover default values click Yes To abort the recovery of default values click No To add a new urban land type A new urban land type may be added to the database by setting parameters on a blank form or by copying data from an existing urban land type record to a new record To add a new urban land type using a blank form a Click the button labeled Add New Cnh on the Urban Database dialog
206. l display the SWAT Project Window and automatically activate the Watershed Delineation dialog box Figure 15 8 318 3 Watershed Delineation ein Fi SIP ease reel apse SE Ec 7 Frm E ciii ii Seeley Premiere a ira Dar to anaa Sirs sirean daririior Esm Ares ria ilire MEE tee ara nicl dax BAGEN zirac lie defini nike a Vera Aelel eid tanla i Sale manina malaji Hlairi s naker E cu letfa IE ma Er Soe slefiniti a _ _ A _ i_i_ioii rie Be Vater ee cutlest Ealsalaiorn of sionaz Uareniestars riesana KEENE Figure 15 8 SECTION 15 1 1 PROCESSING THE ELEVATION MAP GRID 1 To load the example DEM click L beside the DEM grid text box 2 Aprompt box is opened Figure 15 9 3 Set the DEM grid Figure 15 9 Highlight Load DEM grid from disk and click OK 319 3 A grid dataset file browser will appear with the User Data directory active Figure 15 10 J Load DEM grid from disk Eel amask E gt dA E dem gt avamat E landuze E gt avswatdb Be zoll fe examplel Figure 15 10 4 Click the name of the elevation map grid em The name of the elevation map grid will then be displayed in the text box below Grid Name on the browser Click OK to confirm the choice 5 The name of the elevation map grid will be displayed in the DEM grid text box on the Watershed dialog box and the elevation map will be displayed Figure 15 11 a A Sele Be SSeS fk ail
207. lation of Subbasin Parameters This function calculates geomorphic parameters for each subbasin and the relative stream reach The results of the calculations are stored in the table of attributes of the updated Subbasin and Streams themes See Appendix Watershed Delineation Output Data for a description of the stored data alculation of 3 m Jos Py Pa SEA 1 re a A he ra eos nce a SS eo ee re j stl ETE Ailes opt Mar 1 a ggm ajk te Fwi s ie b te ne 1 Click the button 2 If the Projection for the watershed was not defined when the DEM was loaded a message box will appear Figure 5 51 Figure 5 51 Click Yes to define the Projection or click No to leave the projection undefined a If the projection is left undefined another message box will appear Figure 5 52 Figure 5 52 Click OK b A prompt box is displayed Figure 5 53 90 i Default Subbasin Centroid Latitude Value Input the value will be used for all the subbasins 0K Cancel Figure 5 53 c Type the latitude to be assigned to the subbasins and click OK 3 When all parameters are calculated a dialog box appears Figure 5 54 Completed the watershed delineation and strean subbasin parameter calculations Figure 5 54 Each subbasin is coupled to a single stream reach If the user removed any of the outlets defined by the interface during the initial analysis of the DEM the main st
208. le Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf Operation specific information must be scheduled by date or by plant growth stage i e heat units The interface will allow different types of scheduling to be used in different HRUs within the watershed but for a given HRU all operations must be scheduled exclusively by date or by plant growth stage i e heat units Click the respective radio button Cees DNS i een to select the desired option When switching from one method to the other a warning is displayed Figure 12 46 202 Change to date operations fou are about to REMOVE all the curent operations You can G only have operation by Date or Heat Unit not both Do you wart to Continue Figure 12 46 To abort the change in scheduling method click No Click Yes to continue and switch the method When the scheduling method is changed all operations in the list are removed Note The default management operations are scheduled by heat units To move up and down the management operation lis
209. lete an operation a Highlight the operation to be deleted by clicking on it b Click the Delete Operation button c A prompt box will appear Figure 12 63 Delete Selected Operation Go Are you sure you want to delete the selected operation Figure 12 63 d Click No to abort the deletion Click Yes to remove the operation from the operation schedule To edit an operation a Highlight the operation to be edited by clicking on it b Click the Edit Operation button Tip The operation editor can also be activated by double clicking the operation in the management operation schedule list c An Edit Operation dialog box will be displayed that contains the parameters and defined values for the operation e g Figure 12 64 This dialog box has the same format as the corresponding Add Operation dialog box 2 Edit Operation MGT_OP Tillage operation Month February Da TILLAGE ID BED ROLLER 4 ROW v cNOP 0 000 Curve Help Cancel Save Figure 12 64 211 d Make desired changes Once all editing changes have been made click Save to save changes and close the dialog box To close the dialog box without saving changes click Cancel To add a scenario Once the user has set up a management operation schedule the list of operations may be saved as a scenario As a scenario the operation scheduling and management settings are available pre built for future projects a b
210. lick the name of the pesticide to be deleted b The dialog box will be modified to display the pesticide data Click the Delete button labeled Delete at the bottom of the dialog box c A prompt box will appear requesting the user to verify the delete Figure 14 59 Delete Pesticide 9 Do you want to remove the Pesticide named E sample 7 Figure 14 59 d To continue with the delete process click Yes To abandon the delete process click No Note Only the new Pesticide data sets entered by the User can be removed from the database The user cannot remove the data sets that are included with the interface but can modify the parameters and or restore the default values To exit the Pesticide Database a From the Pesticide Database dialog box click Exit 298 SECTION 14 6 TILLAGE DATABASE To edit the Tillage Database 1 Double click Tillage on the list of databases Figure 14 60 2 Edit SWAT databases For editing double click on the data base name User Sails User Weather Stations Land CoverPlant Growth Fertilizer Pesticide Figure 14 60 2 The Tillage database dialog box will be displayed Figure 14 61 amp 2 Tillage database BEODER DISK BEDDER OISK HIPPER BEDDER OlSk AOW BEDDER SHAPER BEET CULTIVATOR BLADE 10 FT CHISEL PLO COULTER CHISEL PLOW CRUST BUSTER CULTI MULCH ROLLER CULTI PACKER PULVERIZER CULTIMEEDER Soe oo ee eee Add New Help Exit
211. lists Specify the subbasin landuse soil combination of interest by selecting an item from each category in the dialog box 1 Select the subbasin number the land use list updates to the land uses simulated in the selected subbasin 2 Select the land use type the soils list updates to the soils simulated with the selected land use in the selected subbasin 3 Select the soil type 4 Select the input file type The following sections review the SWAT input editors SWAT input in the interface is organized by SWAT input file type as described in the Soil and Water Assessment Tool User s Manual Version 2000 172 SECTION 12 1 EDIT SOIL PHYSICAL DATA SOL 1 Click on Sol in the Select Input File list of the Edit Subbasin Inputs dialog box The soil physical data for the selected subbasin landuse soil HRU is displayed in a dialog box The new dialog box is titled Sol Subbasin Landuse type_Soil name Figure 12 4 A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 22 Sol data By Soll By Layer SNAM WOLFFEN i soz 15240 mm NLAYERS 4 1 to 10 SOLBD 145 g cm3 HYDGRAP A A B C oD SOL_AWC 0 03 mmnm SOL ahs f 2032 00 mm SOLK 300 00 mmr ANION_EXCL 1 500 fraction SOL CEN 0 73 soil weight SOL_CRK 0 500 m3 m3 CLAY 7 50 soil weight TEXTUBE SILT 6 61 soil weight 2 sall weight LFS LF5 SCL
212. ll check all themes for the selected field If one or more themes do not contain the field the interface will stop the loading process b If you selected the Grid option 110 If loading from the Watershed View a dialog box is displayed Figure 6 32 showing the list of grid themes Fs Select from Watershed View LandUseT mp Dem Landuse Figure 6 32 lf loading from disk a prompt dialog pops up Figure 6 33 Sol Grid Theme s Figure 6 33 lf the soil grid is not projected click No to exit This will stop map processing lf the soil grid is defined in the same projection as the DEM click Yes to proceed A browser will be displayed allowing the user to select the soil grid Figure 6 34 Ei 2 Select Grid theme s from Disk amask fee dh Eel dem gt avewal 7 El landuse gt avswatdb Be zoil Figure 6 34 111 Note The base cell size of the soil grid is automatically set to the same size as the DEM grid cell This is required to properly overlay the different maps for comparison 4 The Load and Clip Soil process might return an unsuccessful report Figure 6 35 if none of the selected theme s either grids or shape overlay part of the watershed Click OK and the process will be stopped i The Selected Shape Themel do not overlay the watershed zone Figure 6 35 5 When this step is complete a Load and Clip Soil message box will appear Figure 6 36 stating that the soil
213. ll tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf 3 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box may pop up like the one described above in Step 2 Click OK and return to editing and correct the values 4 If the user saves the modified values once the values are saved for the HRU by clicking OK in Step 3 a new dialog box is displayed allowing the user to copy the modifications to other HRU data sets Figure 12 24 Hru 1_PAST_TX619 Ea Extend the same data set to Subbasins Landuses Soils fe All PAST TX619 Selected Selected C Selected 187 Figure12 24 Note Values for the parameters HRU_FR and IPOT are not allowed to overwrite those in a different HRU Values for all other variables will be updated a If you do not want to copy the edited general HRU data to other data sets click No The changes will have been saved for the individual HRU and no others b If you wish to copy the edited general HRU data to other data sets proceed as follows Specify in the
214. lternative table format the projection of the maps used in the interface must be defined in order for the interface to convert the latitude and longitude to the proper coordinate values 22 This format can be used only if the projection is defined in the project Field format ID Integer Gage identification number not used by interface NAME string max 8 chars Corresponding table name string XPR floating point X coordinate in the defined projection floating point Y coordinate in the defined projection floating point Latitude in decimal degrees LONG floating point Longitude in decimal degrees ELEVATION Elevation of temperature gage m The user will provide a record for each station to be used the Name field will contain the string used to name the linked temperature data table Note Station names starting with a numerical character are not allowed 23 Temperature Data Table dBase or ASCII The temperature data table is used to store the daily maximum and minimum temperatures for a weather station This table is required if the climate station option is chosen for temperature in the weather data dialog box There will be one temperature data table for every location listed in the climate station location table The name of the temperature data table is name dbf or name txt where name is the character string entered for NAME in the temperature gage location table This table may be formatted as a dBa
215. lution in meters and the elevation in meters amask A DEM Mask ArcView grid The map was created in the Albers Equal Area projection with the resolution in meters 313 landuse A Land Cover Land Use ArcView grid for the Lake Fork Watershed The map was created in the Albers Equal Area projection with the resolution in meters soil A Soil ArcView grid for the Lake Fork Watershed The map was created in the Albers Equal Area projection with the resolution in meters The Soil grid is a STATSGO soil map The DBF tables and text files are Location table for USGS stream flow gages strflow dbf Location table for in stream nutrient monitoring points nutrient dbf Location table for rain gages pcpfork dbf Precipitation data tables pcp_8743 dbf pcp_2902 dbf pcp_9836 dbf pcp _4483 dbf pcp_4976 dbf Location table for temperature gages tmpfork dbf Temperature data tables tmp_2902 dbf tmp_4483 dbf tmp_4976 dbf tmp_8743 dbf Location table for weather stations whose data was used to create custom weather generator data sets wgnstations dbf Land Use look up table luc dbf Land Use look up file uc txt Soil look up table STMUID option soilc dbf Soil look up file STMUID option soilc txt For more information on the different types of tables and maps required to run the interface please see Section 3 SECTION 15 1 CREATE SWAT RUN WITH EXAMPLE DATASET 1 start ArcView 3 2 by double clicking the icon If an icon f
216. ly contains 3 subdirectories AvSwatDB AvSwatPr and GenScn When projects are created by the user the interface will by default make a directory for each project in the Installation dir directory new1 and new2 are project directories in Figure 2 1 However the user can also specify a different location for the project directory if desired The AvSwatDB directory contains all the databases The default U S soils data is stored in AvSwatDB AIIUS statsgo while the default U S weather generator database is stored in AvSwatDB AllUS weather The AvSwatDB directory also contains the example data sets help documents and management scenarios created for use in more than one project The AvSwatPr directory contains the swat2000 executable and the dll used to calculate the number of total potential heat units for a plant in an HRU The GenScn directory contains documentation and installation files for GenScn an output analyzer This output processor currently doesn t work properly The project directory contains all files generated during the course of creating and running the project Two subdirectories are created within the project directory scenarios and watershed The watershed directory contains all ArcView maps tables and reports generated during the project The scenarios directory contains the default subdirectory Within the default directory four subdirectories are created scen stores scenario runs created with the Calibratio
217. map categor LANDUSE string 4 chars Corresponding SWAT land use or urban code Note Land use codes starting with a numerical character are not allowed ASCII txt Table Format An example land use look up file is Valve Landuse 1 RNGE 2 P AST 3 FRSD 4 WATR 5 AGRI 6 URBN i Specific field names must be used in all tables for the interface to properly access the information 14 Soil Look Up Table dBase or ASCII The soil look up table is used to specify the type of soil to be modeled for each category in the soil map grid The format of the table will vary depending on the option chosen to link the soil data to the soil map Because this information can be entered manually this table is not required to run the interface The first row of the soil look up table must contain the field names The remaining rows will hold the required data An example soil look up table can be found in the included dataset dBase Table Format Stmuid option 2 fields Field format VALUE Number of map category STMUID string 5 chars 5 digit number digits 1 2 numeric code for state digits 3 5 STATSGO polygon number dBase Table Format S5id option 2 fields Field format VALUE Number of map category S5ID string 6 chars 6 character alpha numeric code for SOILS 5 data for the soil series dBase Table Format Name option 2 fields Field format VALUE Number of map category string Name of the soil The
218. meee E et carta Dia al Figure 15 11 320 6 A prompt box will appear reminding the user to verify DEM properties Figure 15 12 Dem loaded i Figure 15 12 Click OK 7 Click the properties button L next to the DEM grid text box The interface will activate the map Properties prompt box Figure 15 13 2 Dem Properties meters meters M Ee pee fa Figure 15 13 8 The units for the X Y and Z resolutions should be set to meters To define the projection click the projection button Priston A prompt box will appear listing projection details for the DEM Figure 15 14 Fz Current projection Undefined Projection Figure 15 14 Click OK 321 9 A prompt box will appear asking if the user wishes to modify the projection information Click Yes 10 The interface will activate the map projection prompt box Figure 15 15 a Swat Arc iew Data Projection Definition Predefined Projection Custom Projection Help Cancel Figure 15 15 The maps in the example data set were created in the Albers Equal Area projection which is a Predefined Projection in the interface Click the button to the left of Predefined Projection on the map projection prompt box A list of predefined projections will be displayed Highlight Albers Equal Area Conterminous U S by clicking on the name Click OK to select this projection and then click OK on the DEM Properties dialog box
219. mes may be created in any projection the same projection must be used for all maps The user will identify the type of projection and the projection settings within the interface when the working DEM is loaded Note All of the input maps listed above and below must be located in the computer disk None should be located in the local network 11 SECTION 3 2 OPTIONAL ARCVIEW MAP THEMES Arcilnfo ArcView GRID or Shape or Draw Manually DEM Mask The interface allows a mask to be superimposed on the DEM The interface differentiates the mask grid into areas classified as category 0 no data and areas classified as any category gt 0 Areas of the DEM grid for which the Mask grid has a value of 0 will not be processed for stream delineation Arcinfo ArcView Shape Stream Delineation The interface allows a polyline shape file with the stream delineation to be superimposed on the DEM The stream delineation shape file is needed for areas where the relief is so low the DEM map grid is unable to accurately predict the location of the streams 12 SECTION 3 3 ARCVIEW TABLES AND TEXT FILES Subbasin Outlet Location Table dBase Table The subbasin outlet location table is used to specify the location of additional subbasin outlet locations for example stream gaging locations The use of a location table to import locations for subbasin outlets is recommended when the user plans to compare observed or measured da
220. meter text box by pressing the Tab key If the value of the parameter is out of range a message box like the one in Figure 12 91 pops up Check AMMONIAN T SMMONIAN should be set between 0 000 and 50 000 Figure 12 91 Click OK The parameter is reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not 228 be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf 4 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box similar to the one described in step 3 may be displayed Click OK and return to editing and correct the values 5 If the user saves the modified values once the values are saved for the subbasin by clicking OK in step 4 a new dialog box is displayed allowing the user to copy the modifications to other subbasin data sets Figure 12 92 amp Swq Subbasin 5 Extend the same data set to f All the subbasins
221. n name and modify the other data fields e Click Save to store the modified weather station data or click Cancel to exit the editor without saving To delete a weather station dataset a From the User Weather Station dialog box click the name of the weather station to be deleted b The dialog box will be modified to display the weather data Click the Delete button labeled Delete at the bottom of the dialog box c A prompt box will appear requesting the user to verify the delete Figure 14 26 276 Delete Weather station Do you want to remove the Weather Station Sample 7 Figure 14 26 To continue with the delete process click Yes To abandon the delete process click No To exit the User Weather Station database Exit a From the User Weather Station dialog box click Exit 217 SECTION 14 3 LAND COVER PLANT GROWTH DATABASE To edit the Land Cover Plant Growth Database 1 Double click Land Cover Plant Growth on the list of databases Figure 14 27 Edit SWAT databases For editing double click on the data base name User Sails User Weather Stations Fertilizer Pesticide Tillage Urban Figure 14 27 2 The Land Cover Plant Growth database dialog box will be displayed Figure 14 28 amp Land Cover Plant Growth database Agricultural Land Close Growrn Agricultural Land A ow Crops Alamo Switchgrass Alfalfa Alsike Clover Altar Wildrye Asparagus Barley
222. n tool in the interface tablesin stores all dof tables that contain SWAT input variables tablesout stores dbf tables created when SWAT output is loaded in the interface txtinout contains ASCII files read and written by the SWAT2000 executable SECTION 3 PREPARING ARCVIEW INPUT To create a SWAT dataset the interface will need to access ArcView map themes and database files which provide certain types of information about the watershed The necessary maps and database files need to be prepared prior to running the interface Examples of each of the different types of maps and tables can be viewed in the demonstration dataset SECTION 3 1 REQUIRED ARCVIEW MAP THEMES Arcinfo ArcView GRID Digital Elevation Model DEM The interface allows the DEM to use integer or real numbers for elevation values The units used to define the map resolution and the elevation are not required to be identical For example the map resolution may be in meters while the elevation may be in feet The map resolution must be defined in one of the following units meters kilometers feet yards miles decimal degrees The elevation must be defined in one of the following units meters centimeters yards feet inches Arcinfo ArcView GRID or Shape Land Cover Land Use The categories specified in the land cover land use map will need to be reclassified into SWAT land cover plant types The user has three options for reclassifying the
223. names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf b Load data To load a new data set from a preformatted SWAT sol file Load Sol click the Load Sol button A prompt box containing a warning about the importance of properly formatting the file to be imported will be displayed Figure 12 6 Waning IF the loading Sol file ig not in the correct format you may get E an eror message or the data will not be in the corect field s Continue Figure 12 6 174 Click No to abort the importing procedure To continue with the load click Yes A browser will be displayed Figure 12 7 2 Specify File File Hame Directories OK d avswat T new a P gt dS Cancel avewal7 4 scenarios C watershed List Files of Type Dries Test Files sol d Figure 12 7 Select the soil input file sol to be loaded and click OK or double click the selection The soil data will fill the fields in the dialog 3 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box may pop up like the one described above in Step 2 a Click OK and return to editing and corre
224. ncel Help Figure 14 57 c At this point the user may type the necessary data into the different fields 296 d Once the pesticide data is entered click the button labeled Save mils to store the data or click Cancel Ee to exit the editor without saving e The user is returned to the original Pesticide Database dialog box The list of pesticides in the database will include the name of the pesticide just added To add a new pesticide by modifying an existing record a From the Pesticide Database dialog box click the name of the pesticide to be copied b Once the pesticide data is displayed click the button labeled Add New Modify Add New Moi c A modified dialog box will appear with all the data fields filled except the pesticide name Figure 14 58 2 Edit Pesticide Pesticide Mame CT Frame 7 character SKOC 100 0 fmgkg irmng WOF U 45 fraction HLIFE_F 5 00 days HLIFE_S BU days OP EF 05 fraction wiSOL 33 000 mgl Save Cancel Help Figure 14 58 d Enter a new pesticide name and modify the other data fields e Click Save to store the modified pesticide data or click Cancel to exit the editor without saving f The user is returned to the original Pesticide Database dialog box The list of pesticides in the database will include the name of the pesticide just added 297 To delete a user defined pesticide a From the Pesticide Database dialog box c
225. ng the displayed curve numbers click Cancel To access the Mannings n Table click the Factor n Table Factor n Table button The table will be displayed Figure 14 81 O Manning s Roughness Factor n ue ie Condition Default Minimum Maximum Type Fallow no residue oo Too fone Channel Flow b Conventional tillage no residue 0 09 O06 O12 o L oo m am Di PI e REES E A Conventional tillage residue co m o Mm Chisel plow no residue Chisel plow residue ce tu cS cm Fall disking residue ol Sj fl ao ef col ol oO S p re o cc ere m No hill no residue No till 05 1 t ha No tll 2 9 thal Rangeland 20 cover o _ L mi 2 am am L J i oS m w 4 Fa o rs i o o Sy ay Ol o cop u a 2 5 ol FE J 2 L in an Pr Short grass prairie Dense grass oy Ta am t oo Bermudagrass Figure 14 81 311 To use a value from the table click on the desired value and then click OK To exit the table without copying a value click Cancel Once the default values for curve number and Manning s n value for overland flow are set correctly click OK g The user is returned to the original Urban Database dialog box The list of urban land types in the database will include the name of the urban land type just added To delete a user defined urban land type a From
226. ng the format described in Section 3 2 Import Table Hmdg File Name Directories cK d avewal Vayvswatdb example Ey hopOpep dbf E gt d Lancel A hop pep dbf gt avewalyT A hop2pep dbf gt avemwatdb A hopspep dbf A hopd4pep dbf a armask A luc dbt 4 dem A nutrient dbf 4 info FA ocotork dbf P71 landuse List Files of Type Drives dBASE d Figure 7 7 Highlight the name of the relative humidity gage location table and click OK or double click the selection The relative humidity gage locations will be loaded in the SWAT Viewas the Humgages point theme and the data path will be displayed in the text box 3 Once all weather data is specified and station locations are loaded an OK button will appear in the lower right corner of the Weather Data Definition dialog box Figure 7 8 133 i Weather data definition davwa T Vavewatdb example E d avewal T Vavewatdb example Figure 7 8 Click the OK button This starts the set up of the weather database a Data assigned to a subbasin Is obtained from the closest station b A 99 0 value is used to fill in skipped daily data and to fill in measured climate records so that all records have the same starting and ending date The starting date use for measured climate data is the earliest starting date listed in any record while the ending date is the latest ending date listed in any record The 99 0 value
227. nput File Bsn General Water Quality Input File Wiig Figure 13 16 Basin Input File a a Bsn i TO access parameters stored in the bsn file click the button A complete description of the variables is provided in the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 5 li The Bsn Inputs dialog box is displayed The dialog box contains two pages of parameters Figure 13 17 and 13 18 237 Bsn inputs Basin data Pagel ba KM 215 484 kn PRF oo C Paga DT 0 000 hr SPCON 0 000 Deg SFTMP 0 000 EC SPEXP 0 000 Peg SMTMP 0 000 FE RBO_ 000 SMFMX 0 000 mm C da RBOB 0 050 SMFMN 0 000 mm C dayl ARBO_A1 1o50 TIMP 0 000 RBO_B1 0 010 SNOCOVM 0 000 mm PET ALPHA 1 000 SMOS5o0co y 0 000 mm EVACH 0 500 REN 0 000 ma N A EYA ooo n r SURLAG 0 000 days FECE oo fraction APM 0 000 Helg Ea Figure 13 17 Bsn inputs Basin data C Fal CMN 0 001 WDLPO gogg 1day Page 3 UBN 0 000 WELPE o 000 dey UBP 0 000 WOFS 0 000 N 4day NPERCO 0 000 WGPS 0 000 day PPERCO 10 00 WOLPS 0000 day PHOSKD 0 000 WGLPS 0 000 day PSF 0 010 BACTKOO 0 000 RSOCO 0 000 THBACT 0 000 PERCOP 0 000 MSK COT 0 000 km IRTPEST i MSK co2 0 000 kml WDPO 0 000 Adap MSE o0 WGPG 0 000 Mdau Help Cancel OF Figure 13 18 Note If the cursor is placed on top of any text box or button a short help description yellow label app
228. of precipitation All other lines Floating point f5 1 string Amount of precipitation mm number The daily records must be listed in sequential order Note An example precipitation table is in Installation dirlavswatdb exinputs precip txt The precipitation data tables must be placed in the User Data directory see Section 4 1 8 21 Temperature Gage Location Table dBase When measured temperature data are to be used a table is required to provide the locations of the temperature gages The temperature gage location table is used to specify the location of temperature gages dBase Table Format Preferred 5 fields Field format not used by interface dBase Table Format Alternative 5 fields This format can be used only if the projection is defined in the project Field format Integer Gage identification number not used by interface NAME string max 8 chars Corresponding table name string floating point Latitude in decimal degrees LONG floating point Longitude in decimal degrees ELEVATION Elevation of temperature gage m dBase Table Format Alternative 7 fields The name of the table which holds the temperature data is NAME dbf or NAME txt When using the alternative table format the projection of the maps used in the interface must be defined in order for the interface to convert the latitude and longitude to the proper coordinate values When using the a
229. oint Y coordinate in the defined projection dBase Table Format Alternative 4 fields This format can be used only if the projection is defined in the project Field format Definition Definition om Ei not used oy interface dBase Table Format Alternative 6 fields This format must be used if the projection is not defined in the project Field format not used by interface NAME Corresponding table name string floating point X coordinate in the defined projection floating point Y coordinate in the defined projection LAT floating point Latitude in decimal degrees LONG floating point Longitude in decimal degrees The user will provide a record for each station to be used the Name field will contain the string used to name the linked solar radiation wind speed or relative humidity data table The name of the table which holds the solar radiation wind speed or relative humidity data is NAME dbf or NAME txt When using the alternative table format the projection of the maps used in the interface must be defined in order for the interface to convert the latitude and longitude to the proper coordinate values When using the alternative table format the projection of the maps used in the interface must be defined in order for the interface to convert the latitude and longitude to the proper coordinate values 25 Note Station names starting with a numerical character are not allowed
230. oirs Ctrl 3 af Weagages E Subbasing data Ctrl 4 amp k wi Tempgages i Figure 9 1 The second item of the Edit Input menu allows the user to edit point source discharge loadings Point source discharges are added to the watershed configuration during the watershed discretization see Section 5 1 Select Point Source Discharges from the Edit Input menu or press Ctr1 1 Figure 9 2 E newl swat AYSWAT 2000 Blackland Research Center Ver 1 0 File Edit VIEW Theme 2 simulation Reports Window Help Ctrl 0 Point Source Discharges Ctrl 1 TEs Inlet Discharges Chri 2 2 Reservoirs Chrl 3 E Wi eagages F Subbasins data Ctrl 4 k P L Figure 9 2 lf there are no point sources in the watershed See Section 5 a dialog box warns the user Figure 9 3 146 i No Point Discharges in the Watershed Figure 9 3 The Edit Point Discharges Inputs dialog pops up Figure 9 4 if at least one point source of discharge was set in the watershed see Section 5 2 Edit Point Discharges Inputs Select Subbasin Figure 9 4 All subbasins containing point sources are listed To edit point source data for a subbasin click on the number of the subbasin on the list The Point Discharges Data dialog box will open displaying the data for the point source in the selected subbasin Figure 9 5 147 E Point Discharges data Subbasin 1 5i S Baila Casiri ee pa u Figur
231. olz wgr o Text Files gr Figure 14 24 d Select the weather generator input file wgn to be loaded and click OK or double click the selection The weather data will fill the fields in the User Weather Station dialog box e Look over the data to verify it was imported correctly f Click the Save button to store the data set or click Cancel to exit the load procedure without saving pa bs To add a new weather station by modifying an existing record a From the User Weather Station dialog box click the name of the weather station to be copied b Once the weather data is displayed click the button labeled Add New i Add New Modify Modify c A modified dialog box will appear with all the data fields filled copied from the previously selected weather station data except the weather station name Figure 14 25 2 User Weather Stations o User Defined Weather Station Weather Station Name RAIN YAS 5 00 rear WELEV 0 00 m WLATITUDE f 50 00 Degrees XPA WLONGITUDE Degrees PRA l Monthly parameters f TMPMY C PRW Jan 30 00 Jul 30 00 C THFPMN C PR w2 Feb 50 00 Aug 30 00 CO TMPSTOM PCPD Mar 30 00 Sep 30 010 C TMPSTDMN Lees Ap 3000 Oct f 3000 C SOLARAY C PCPMM May 20 00 Nov 30 00 C DEWPT C PEPSTO Jun 30 00 Dec 30 00 C PEPSKW Co wNDAM Figure 14 25 d Enter a new weather statio
232. omplianee Systems Manually added Outlet Manually added Draining W aters hed Inlet Figure 5 33 The following sections described the different methods used to add inlets and outlets Adding Outlets by Table Outlet point locations Subbasin outlets can be imported in the project using a dBASE table and the following steps 1 Make sure the radio button labeled Outlet is selected C inet of Outlet Table 2 Click on the 4 5 table button next to the Table text box A file browser will appear Figure 5 34 allowing you to select adBASE table Select the file name and click OK or double click the selection 80 3 Table of locations File Mame Directories l d basing datatutorial Py 1996ewne dbf i FA acc dbf FA bac stat dbf FA be d7074 dbf fA be d7579 dbf FA be d8084 dbf C arids fA be d8589 db 7 landuse M be d9094 dbf Pa nbd xj List Files of Type Drives dBASE Jd Figure 5 34 This table must have the same fields specified in Section 3 3 for Subbasin Outlet Location Table All locations listed in the table must be outlet Type O If a different Type value is specified a dialog box will report an error like the one reported in Figure 5 35 and the loading process will stop Outlets The record number 1 does not contain a valid Type None ofthe importing points will be added Figure 5 35 Once geocoded the outlet locations will snap automatically to the closest
233. ompt box may appear notifying the user of out of range parameter values Figure 14 19 272 a Fields Out OF Parameter Ranges Ramn YHS Monthly parameter PRAWA Month January Figure 14 19 Click OK A prompt box will then be displayed Figure 14 20 To Go Back and Change Values Press No Do you want to Continue with present setting Figure 14 20 Click No to return to editing and correct the values or click Yes to continue with the exit h A prompt box appears Figure 14 21 Do you want to sawe the changes to the weather station named Sample Figure 14 21 i To save the editing changes click Yes To discard the editing changes click No To add a new weather data set A new weather station may be added to the database by setting parameters on a blank form by loading data from a SWAT Weather Generator Input File or by copying data from an existing weather station record to a new record 273 To add a new weather station using a blank form a Click the button labeled Add New ee on the User Weather Station dialog box b A modified dialog box will appear which contains input fields for the weather station data Figure 14 22 The interface will preset the values to the minimum value allowed for the parameters User Weather Stations weather Station Mame RAIN YRS 5 00 rears WELEV 0 00 m WLATITUDE 90 00 Degrees PR WLONGITUDE Degrees PR
234. on of Windows and may not run with earlier versions Patches are available from Microsoft The space required to create a SWAT project with the SWAT ArcView interface depends on the resolution of the maps used While testing the interface a 10 meter resolution DEM map layer taking up only 6 MB of space was processed At one point in the analysis of the map the interface had filled 350 MB of storage with data 6 To install the interface The ArcView interface for SWAT2000 has been formatted to create a separate directory structure from that used by the ArcView interface for SWAT99 2 This allows users to keep both versions installed on their machine 1 If you have not done so turn on your computer Download the archive file and extract ArcView interface installation files Start ArcView On the File menu click Open Project Move to the directory containing the installation files Choose setup apr and click OK oe iO ae ee IN The installation program for the SWAT2000 ArcView interface will be activated 7 Soils data for Texas Pennsylvania and Wisconsin is automatically installed with the interface If you want to use the soils data for another state you will need to install the additional data separately To install the data a In the directory drive nstallation difAvSwatDB AllUs statsgo create a directory for each state of interest using the 2 letter aloha code for the state e g TX for Texas MS for Mississippi
235. onara cnan Figure 13 47 A drop down control lists the original default run and any calibration scenarios for the project Select one of the runs and click OK or click Cancel to abort the process A prompt box is displayed for the user to select the location in the channel network at which the calculation is made Figure 13 48 Delivered Load Table x Entire Watershed stetatetatte Figure 13 48 4 Select the location of interest and click OK or click Cancel to exit the tool 5 A message box is displayed when the table is made Figure 13 49 Figure 13 49 6 The table can be viewed by selecting Delivered Load Table in the Reports menu Note The Delivery Load Table reports the loads regarding the same variables contained in the Subbasin Output File bsb In addition the respective Delivery Ratios variable names are prefixed by R are reported 256 SECTION 13 5 REPORTS MAP CHART The fourth command in the Reports menu allows the user to graph and map output from a SWAT simulation 1 Select Map Chart from the Reports menu on the SWAT View or press Ctr F4 Figure 13 50 2 newl swat AVSWAT2000 Blackland Research Center Ver 1 0 EditInput Simulation Steen Window Help Fe Show List Ctrl F 1 SBS Table Ctrl F Delivered Load Table Ctrl F3 O SWAT View al Subbas ins zm Figure 13 50 GenScn Ctrl F5 2 Ifa calibration scenario has been created see Section 13
236. or the program is not present click the Start button then highlight Programs From the software list displayed highlight ESRI The program name ArcView 3 2 will be displayed Click the program name to start ArcView On the File menu click Extensions scroll the list of available extensions until you locate AVSWAT2000 Check the box beside AVSWAT2000 and click OK 314 4 The main interface will be displayed Figure 15 2 SWAT ArcView interface Open Project j Copy Import Project s a Delete Project s Edit SWAT Databases ES a Exit ArcView y gt USDA a aay Be About Help Figure 15 2 5 Click the box beside New Project 6 A browser will be displayed requesting a name for the new project Type lakefork in the text box labeled File Name Figure 15 3 E New SWAT project File Hame Directories nik lakefor d wavewat 1 Cancel fer avwa CG avewatdb C avewatpr C genecn C new C new Po news ud Drives gd al Figure 15 3 7 Click OK Note Once OK is clicked the interface creates a subdirectory called lakefork within the active director 315 displayed in the directory tree on the dialog box This directory is used to store maps and database tables created by the interface as well the input files for SWAT 8 After the project name is specified the interface brings up the Environmental Variables prompt box Figure 15 4 This prompt box lists the directories in
237. ote Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf 4 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box similar to the one described in step 3 may be displayed Click OK and return to editing and correct the values 5 If the user saves the modified values once the values are saved for the subbasin by clicking OK in step 4 a new dialog box is displayed allowing the user to copy the modifications to other subbasin data sets Figure 12 87 Pnd Subbasin 5 Extend the same data set to tf All the subbasins C Selected subbasing Help Figure 12 87 a lf you do not want to copy the edited pond wetland data to other data sets click No The changes will have been saved for the individual subbasin and no others 229 b lf you wish to copy the edited pond wetland data to other data sets proceed as follows In the dialog
238. p must be preprocessed The preprocessing feature smooths the elevation grid by filling in areas of the map that drain to a point rather than drain to a channel Preprocessing speeds up the amount of time it takes for the interface to define the channel network To preprocess the elevation map click the button labeled Apply next to Preprocessing of the DEM Preprocessing of the Dam to remove sinks Apply While processing the DEM a prompt box will appear Figure 15 18 Dem preprocessing option Do you want the cells on the edge of the Focused area to How toward the inner celle es Figure 15 18 Click No 13 A prompt box will appear after the map preprocessing is complete Click OK 14 Once the elevation map has been preprocessed the threshold area used to define the origin of a stream needs to be specified The smaller the number the more detailed the stream network generated by the interface Figure 15 19 shows the stream network generated with the threshold set to 100 ha while Figure 15 20 shows the stream network generated with the threshold set to 1000 ha 324 J Laoetork wera Ae Bek As b Creates ya 15 EEA Mon Dieta drake Sala Bini eae ae le E Ae eeraa f Wk ETARE aTT ey Soa Sy T EUT a Lebroriar A y T all P TET j is ag ve a Ss Y Een E maru n K lt aE a jl r Pooumad ETEN iro ii I af Dar E j iis as 3 Y k m RE J i 4 J We 4 3i HA Ma oA y vas Pee A
239. pops up Figure 8 12 A Write All Inputs Rewrite all the input tiles Go Click the Mo button to write only the missing files No Cancel Click No to write only the missing initial inputs Click Yes to proceed to rewrite all the initial inputs Click Cancel to abort any writing action Figure 8 12 When all of the default inputs have been generated you can move to the Simulation menu and make a SWAT run See Section 10 or edit the default inputs using the editors activated under the Edit Inputs menu See section 9 140 SECTION 8 2 INDIVIDUAL WRITE COMMANDS 1 As an alternative to writing all the input files at once they can be written individually If this method is used to write the input database files the database files must be written selected in the sequence in which they are presented in the nout menu watershed configuration file Figure 8 13 soil data weather generator data general subbasin data hru general data main channel data groundwater data water use data management data soil chemical data pond data and stream water quality data i newl swat AYSWAT 2000 Blackland Research Center Yer 1 0 File Edt View aes Edit Input Simulation Bepots Window Help m 2 AEE eaS Ctri e Write All Ctrl B Write Configuration File fig Ctrl C Write Soil Data sol Chl D Write Weather Generator Data wan Crl E a Wi eaga ges write Subbasin General Data sub Ctrl F
240. put file types is displayed Figure 13 23 241 amp User Changes Select the inputs you want bo re write Ok Cancel Figure 13 23 Select the input file type s that needs to be re written and click OK or click Cancel to exit the list box If files were re written a message will notify the user when all input files have been re written Figure 13 24 i Update finished Figure 13 24 Click OK Once the Setup of the SWAT input files is complete two additional buttons are displayed on the Set Up and Run SWAT model Simulation dialog box Figure 13 25 242 amp Set Up and Run SWAT model simulation Period of simulation Starting date Ending date January Ji 1995 January l Doo l i99 Month Day Year Month Day Year Rainfall Runot R outing gt Rainfall distribution gt Potential ET method f Priestley T aylor method Daily rain CN Dail Skewed normal ally rain ally BEE eNOS C Penman Monteith method Mixed exponential Hargreaves method C Read in Crack flow 7 Channel water routing method Channel dimensions Stream Water Lake Water a ITE Quality Processes Lualty Processes Not active f Variable Storage f Not Active y l C Not Active C Not Active C Active C Muskingum Active f Active Active Printout frequency gt Routing Pesticide y Watershed parameters C Dai Basin Input File Bsn Rest r Monthly General Water Qual
241. put files Set up requires specification of simulation period PET calculation method etc and run SWAT Optional Apply a calibration tool Optional Analyze plot and graph SWAT output References Arnold J G R Srinivasan R S Muttiah and J R Williams 1998 Large area hydrologic modeling and assessment part I model development J American Water Resources Association 34 1 73 89 Di Luzio M R Srinivasan and J G Arnold 2002 A GIS Hydrological Model system for the Watershed Control of Agricultural Nonpoint and Point sources of Pollution Submitted to Transaction of the ASAE Di Luzio M R Srinivasan and J G Arnold 1998 Watershed oriented non point pollution assessment tool In Computers in Agriculture 7th international conference October 26 30th 1998 Orlando FL ASAE 233 241 Neitsch S L J G Arnold J R Kiniry and J R Williams 2001a Soil and Water Assessment Tool Theoretical Documentation Version 2000 Neitsch S L J G Arnold J R Kiniry and J R Williams 2001a Soil and Water Assessment Tool User s Manual Version 2000 Rosenberg N J D L Epstein D Wang L Vail R Srinivasan and J G Arnold 1999 Possible impacts of global warming on the hydrology of the Ogallala aquifer region J of Climate 42 677 692 Saleh A J G Arnold P W Gassman L W Hauck W D Rosenthal J R Williams and A M S McFarland 2000 Application of SWAT for the upper north Bosque watershed Transactions of t
242. puts Select Subbasin SelectLandUse Select Sail AGAL Figure 4 34 This is the same dialog box that is accessed by clicking Subbasins Data under the Edit Input menu See Section 12 for more information about the dialog box Tip Before clicking the mouse move the mouse cursor on top of the subbasin area you want to analyze This is convenient when using all the pop up menu items except the first one 59 f Avswat Main Interface Dialog Selecting this option will switch the screen to the Main Interface screen Figure 4 35 You can return to the project by clicking the button labeled Return to Current Project SWAT Arc iew interface Figure 4 35 60 SECTION 5 WATERSHED DELINEATION This tool allows the user to delineate subwatersheds based on an automatic procedure using Digital Elevation Model DEM data User specified parameters provide limits that influence the size and number of subwatersheds created Purpose The Watershed Delineation carries out advanced GIS functions to aid the user in segmenting watersheds into several hydrologically connected sub watersheds for use in watershed modeling with SWAT Application The Watershed Delineation tool uses and expands ArcView and Spatial Analyst extension functions to operate watershed delineations The delineation process requires a Digital Elevation Model DEM in Arclnfo grid format The user also has
243. rcView from starting once you have exited the program after turning on this option Once the extension is loaded the SWAT ArcView main interface screen will be displayed Figure 4 1 SWAT ArcView interface Figure 4 1 36 The main interface offers the user 8 options L2 Create a new SWAT project Open an existing SWAT project Copy Import an existing SWAT project Delete an existing SWAT project Exit ArcView Edit SWAT Databases About Help CS SCS hS L2 SCS 2S SCS SCS 2S Three additional options are displayed on the main interface once a project has been opened or created Figure 4 2 Save the active project Set environmental variables Return to current project SWAT Arc iew interface New Project Open Project porte yf Copylmport Project s Delete Projecti Edit SWAT Databases About Help Exit Archie Save Current Project ee Environmental Variables Return to Curent Project new swat Figure 4 2 oi SECTION 4 1 MAIN INTERFACE COMMANDS The following sections describe the use of the command buttons listed on the main interface screen SECTION 4 1 1 NEW PROJECT To create a new SWAT Project 1 Onthe main interface click the button beside New Project 2 A browser will be displayed requesting a name for the new project Figure 4 3 The browser shows the directory tree where the data
244. rds must be defined for each map category When the Stmuid record is double clicked a dialog box Figure 6 41 is displayed Enter the State STATSGO polygon number and click OK The Stmuid number is set in the selected record Double click the Name record A dialog box will be displayed that allows the user to enter a soil series name Figure 6 44 E Define Name string Input sol name maxinium 30 characters Eje POO Cancel Figure 6 44 Type the soil series name in the text box Click OK The entry is now set in the selected record 116 vi Repeat these steps until all soil joining attribute codes are defined Assign soil attribute information using a look up table a To load a look up table select the soil look up table by clicking on the button labeled Look up table Grid Values gt Soil Attributes Lookup Table Grid Values gt Soils attributes b A prompt box will appear that allows the user to specify the format of the land use classification table Figure 6 45 The land used classification table may be formatted in dBASE dbf or ASCII txt Table Grid Yalues gt Soils attributes Choose the kind of table dbf file string fields tet file comma delimited Figure 6 45 c Select the proper format and click OK d A browser will appear allowing you to select and load the look up table from disk Figure 6 46 E Table Grid Yalues gt Soils attributes
245. rent settings and define other settings 251 a To save settings Click the Apply button below the table of parameters This closes the editing tools for the specific parameter and saves the settings b To exit without saving Click the Cancel Apply button below the table of parameters This closes the editing tools for the specific parameter without saving the settings c To erase current settings Click the Reset Reset button below the table of parameters This resets all values back to the original settings 11 Repeat steps 6 through 10 for as many input parameters as desired 12 Once all parameter modifications have been made for the scenario the user can choose whether or not parameter values in the watershed are allowed to exceed range limits after parameter modifications are applied This is i In Range controlled by the In Range and Out Range radio buttons Out Range When the In Range bution is selected the interface will apply all parameter modifications defined in the scenario and then verify that the new values are within range limits for the parameters If the new values exceed range limits they will be set to the closest allowed value When the Out Range button is selected the interface will apply all parameter modifications defined in the scenario without checking that the new values are within range limits for the parameters 13 Click OK to save the scenario A subdirectory will be created in the projec
246. rized over the entire period of record is listed in one box while variables summarized by month are listed in the box labeled Monthly parameters The data fields for the monthly parameters can be accessed by clicking the circle to the left of the variable names Figure 14 17 271 Monthly parameters A E amp O TMPMx C PRW C TMPMN C PRW C TMPSTDMY PCPD TMPSTDMN C RAINHH Ms C PCPMM SOLARAY C PCPSTD DEWPT PCPSKW CO WADAN Figure 14 17 e Edit data Activate a cursor by clicking in the text box Type the desired value You can move to the next parameter by pressing the Tab key If the value of the parameter is out of range a message box like the one in Figure 14 18 will be displayed TMPMX Range Check Figure 14 18 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir oarameter ranges are stored in resrng dbf E xit f Once all editing changes have been made click Exit _ ea g A pr
247. rmats constant daily loadings average annual loadings average monthly loadings and daily loadings Four radio buttons are located at the top of the dialog box for the user to select the data format they prefer a Constant daily loadings By default this radio button will be enabled If the inlet discharge loadings are to be input as constant daily loadings verify that the radio button labeled Constant Constant is selected This option allows the user to enter the following data average daily water loading m sediment loading tons organic Nitrogen kg organic Phosphorus kg Nitrate NO3 kg mineral soluble Phosphorus loading kg Ammonia NH3 kg Nitrite NO2 kg Conservative Metal 1 kg Conservative Metal 2 Conservative Metal 3 kg Persistent Bacteria and Less Persistent Bacteria both in bacteria 100 ml as required by 156 the SWAT model see the Soil and Water Assessment Tool User s Manual Version 2000 Chapter 31 This data represents average daily loadings input to the stream network every day of the simulation To define the constant daily loadings enter the data in the section of the dialog box labeled Constant Daily Loadings Figure 10 6 If data for any conservative metal is input the type of metal should be specified Constant Daily Loadings water Flow a000 m3 Sediment a000 ton Organic Nitrogen a00 kg Organic Phosphorus 0000 kal Nitrate NO03 U O00
248. role in determining the detail of the stream network and the size and number of sub watersheds The threshold area or critical source area defines the minimum drainage area required to form the origin of a stream 1 In the text box labeled Threshold area type the upstream drainage area in hectares required to define the beginning of a stream The smaller the specified number of hectares the more detailed the drainage network delineated by the interface 2 Click the Apply button 3 Two themes are now added to the Watershed View and displayed over the DEM map grid Streams the current synthetic drainage network and Outlets the respective stream junction points Figure 5 31 78 tal swal AVS WAT ZOD Blacklamd Rerrich Cente Wai 10 Eu Ei wy pame dre gunea gaps umam Asa Het Scade 1 1 205 956 a Waker hed Peine DEM Set Up manai CE ea esn gT Fociaig vahed aea opii Bunin opim Preprocessing al the Diem to renosa sinks Shresm delinitiony Thetddtee l ooo hJ Pa J Me JAS oF epar E apaa i Peg N hake le setovalsail ka i Usa Ai Adi by able Cone i okk l Man waarhet oub iz eeo ard e p N Wrak vfaberabmad oukei Ti 3 ay Figure 5 31 4 The user can change the threshold value and re run the stream and outlet definition routine or proceed with the next section SECTION 5 4 OUTLET AND INLET DEFINI
249. rols which are introduced in various ArcView graphical user interfaces or GUIs and custom dialogs The basic map inputs required for the AVSWAT include digital elevation soil maps land use cover hydrography stream lines and climate In addition the interface requires the designation of land use soil weather groundwater water use management soil chemistry pond and stream water quality data as well as the simulation period to ensure a successful simulation This tool is being applied worldwide and can support water quality analysis at the watershed level as well as at single stream segments scales required for the support of most Total Maximum Daily Load TMDL programs Input Data Processing and Display A V S W T ra ge X HRU Definition o a a Maps_ a we Wy i ate i I aN Nth J a Weather Stations gt Am Weather Stations and Time Series Figure 1 1 Application SWAT can be used to simulate a single watershed or a system of multiple hydrologically connected watersheds Each watershed is first divided into Subbasins and then into hydrologic response units HRUs based on the land use and soil distributions Procedures Key Procedures Load or select the AVSWAT2000 extension Delineate the watershed and define the HRUs Optional Edit SWAT databases Define the weather data Apply the default input files writer Optional Edit the default in
250. rowth database When adding editing a fertilizer auto fertilization or grazing operation a drop down list allows the user to select a fertilizer manure from the SWAT fertilizer database When adding editing a pesticide operation a drop down list allows the user to select a pesticide from the SWAT pesticide database When adding editing a tillage operation a drop down list allows the user to select a tillage implement from the SWAT tillage database Figure 12 51 displays the input parameters for a fertilizer application where the application is scheduled by date Figure 12 62 displays the same screen when scheduling by heat units 2 Add Operation MGT _OP Fertilizer application 0 150 Year Heat Units FEATID 00 06 00 o FAT LY 0 000 FAT_KG U 00 Figure 12 62 Note When scheduling with heat units the values used to schedule the operations between the time of planting and the time at which the land cover is killed are fractions of total accumulated plant heat units Outside this growing period the values used to schedule operations are fractions of annual base zero heat units Chapter 17 in the SWAT 2000 Theoretical Documentation explains heat unit scheduling in detail When all the parameters have been properly defined for the operation click Save To abort the add operation process click Cancel If the new operation was saved it will be added to the management operation schedule 210 To de
251. se should be based on experimental data The typical user will not need to make changes to this database Information about the plant growth parameters provided with the interface is provided in Soil and Water Assessment Tool User s Manual Version 2000 Appendix A Fertilizer This database contains SWAT fertilizer manure parameters Both inorganic and organic manure fertilizer data are stored in this database Information about the fertilizer parameters provided with the interface is provided in Soil and Water Assessment Tool User s Manual Version 2000 Appendix A Pesticide This database contains SWAT pesticide parameters Information about the pesticide parameters provided with the interface is provided in Soil and Water Assessment Tool User s Manual Version 2000 Appendix A Tillage This database contains SWAT tillage parameters Information about the tillage parameters provided with the interface is provided in Soil and Water Assessment Tool User s Manual Version 2000 Appendix A Urban This database contains SWAT urban land type parameters Information about the urban land type parameters provided with the interface is provided in Soil and Water Assessment Tool User s Manual Version 2000 Appendix A 262 SECTION 14 1 USER SOILS DATABASE To edit the User Soils Database 1 Double click User Soils on the list of databases Figure 14 2 Edit SWAT databases User Weather Stations Land Cov
252. se table or as a comma delimited text table dBase Table Format 3 fields Field format DATE date mmdd Day of measure floating point f5 1 Daily maximum temperature C floating point f5 1 Daily minimum temperature C Note An example temperature data table is in Installation dir lavswatdb exinputs temper dbf ASCII txt Table Format Field format yyyymmdd string Starting day of data All other lines floating point f5 1 floating point Daily maximum and f5 1 string numbers minimum temperature C use comma to separate values The daily records must be listed in sequential order Note An example temperature data table is in Installation dirlavswatdb exinputs temper txt The temperature data tables must be placed in the User Data directory see Section 4 1 8 24 Solar Radiation Wind Speed or Relative Humidity Gage Location Table dBase When measured solar radiation wind speed or relative humidity data are to be used a table is required to provide the locations of the gages The location table format described below may be used for any of these three types of records Remember a separate location table is used for each type of weather data dBase Table Format Preferred 4 fields Field format Integer Gage identification number not used by interface NAME string max 8 chars Corresponding table name string xPR floating point X coordinate in the defined projection floating p
253. side Burn_in option A check will appear in the box M Burn inaption and a prompt dialog will open Figure 5 22 73 Burn_In Option Options Digitized Stream Network Reach File v1 Reach File v3 Natonal Hydrography Dataset NHC Figure 5 22 Four options are available to specify the stream network Digitized Stream Network Reach File V1 Reach File V3 and National Hydrography Dataset NHD Digitized Stream Network This option is selected when the user is supplying the stream network The interface assumes the stream network delineated in the shape file contains no errors Reach File V1 is the oldest set of U S stream network delineations Reach File V3 is the second generation set of U S stream network delineations and NHD is the latest set of U S stream network delineations The Reach File V3 streams data contains many spurious features e g wide rivers lakes etc When stream delineations are imported from these datasets the user should define the source The interface will clean the stream delineation NHD stream delineations are available for most of the U S from U S Geological Survey This dataset is of much higher quality than V1 and V3 but it still needs to be filtered to retain only the lines of flowing bodies of water When the NHD option is selected the user needs to obtain the flow direction table in dBase format The name of this table must be the same as the NHD shape postfixed
254. sing Watershed Figure 6 28 select one or more themes hold down the Shift key for a multiple selection and click OK The shape file s will be automatically converted to grid and merged for a multiple selection ii If loading from disk a file browser pops up Figure 6 29 A Select shape theme s from Disk po rs fo dA gt avwa gt avewatdb exarnplel Ho Figure 6 29 Select one or more themes hold the Shift key for a multiple selection and click OK 109 The selected themes are converted in a grid theme with the cell size set to the base cell size The base cell size is the cell size of the DEM theme By default the interface will look for one of the follow fields listed in order of priority Muid Stmuid Name S5id and Segn in the table of attributes of the shape themes and use these values for the conversion to grid If one of these fields is not included the script will look for the field types integer and string If none of these fields are found a dialog box will report the lack of usable fields Figure 6 30 and stop the process Themel shp theme does NOT contain an integer or string Field i Figure 6 30 lf more than one field is usable a dialog box will list them Figure 6 31 and you can select one and click OK 2 Conversion Field Cataloging Unit Boundaries Pick field for cell values Figure 6 31 lf more than one theme was selected the interface wi
255. specified by the user i Click the S5id radio button 284 ii Double click the respective record A dialog box will be displayed that allows the user to enter the Soils5 ID number Figure 6 42 Define 5id string Enter Soils 510 E character alphanumeric code Bj DOO Cancel Figure 6 42 iii Type the Soils5 ID number in the text box Click OK The entry is now set in the selected record c Stmuid Seqn The State STATSGO polygon number and sequence number of soil phase is specified by the user 115 d Click the Stmuid Seqn radio button P et Be a i Two joining attribute records must be defined for each map category iii When the Stmuid record is double clicked a dialog box Figure 6 41 is displayed Enter the State STATSGO polygon number and click OK The Stmuid number is set in the selected record Double click the Seqn record A dialog box will be displayed that allows the user to enter a sequence number This number is the ranking in dominance 1 dominant 2 second most dominant etc used to select the soil series data assigned to HRUs containing the STATSGO polygon Figure 6 43 amp Define Seqn number Enter Sequence number 4 digit masimu Figure 6 43 Type the sequence number in the text box Click OK The entry is now set in the selected record Stmuid Name The State STATSGO polygon number and soil series name is specified by the user Two joining attribute reco
256. swat belonging to the project you wish to copy he swat newl swat J newz swat News swat CG avswatdb new swat CG avswatpr new swat 4 genecn new swat C new SWAT projects swat Figure 4 5 3 Once the desired project name is displayed in the File Name text box click OK 4 Anew browser will be displayed Figure 4 6 If you wish to copy the project to a different directory move to the desired directory Type the new project name in the text box and click OK new bak swat CG avswatdb C avewatpr 4 genecn C new Figure 4 6 5 As the interface copies the project links to any maps or data stored in a directory other than the nstallation dir directory must be verified This feature 40 allows path information to be altered when a project has been moved from one computer to another Browsers will be displayed for every unique file path the interface encounters as it copies a project Set the path to the proper directory and click OK 6 A prompt box will be displayed once the copy process is complete Click OK SECTION 4 1 4 DELETE PROJECT To delete an existing SWAT project 1 Onthe main interface click the button beside Delete Project 2 A browser will be displayed Figure 4 7 If necessary move to the proper directory Type or click the name of the SWAT project log file swat belonging to the project you wish to delete Delete SWAT projects x File Name Directories OK
257. t Table Format Field format Definition Yyyymmdd string Starting day of data All other lines Floating point f8 2 Water release rate for the day m s string number The daily records must be listed in sequential order Note An example daily point discharge table is in Installation dir lavswatdb exinputs resdaily txt 34 Potential ET Data Table dBase or ASCII One option allowed for defining potential evapotranspiration is to provide values for every day of simulation This section describes the format of the potential ET daily data table The table may be formatted as a dBase table or as a comma delimited text table dBase dbf Table Format 2 fields Field name Field format Definition DATE date yyyyMMdd RESOUTFLOW _jfloating point f5 1 Potential evapotranspiration mm ASCII txt Table Format Field format yyyymmdd string All other lines floating point f5 1 Potential evapotranspiration mm string number The daily records must be listed in sequential order 35 SECTION 4 START ARCVIEW INTERFACE To start the ArcView Interface from Windows 1 Start ArcView 2 On the File menu click Extensions 3 Scroll the list of available extensions until you locate AVSWAT2000 Click the box beside AVSWAT2000 a check mark will appear in the box 4 Click OK Note Do not check the Make Default option on the ArcView Extension dialog box This option has a bug that prevents A
258. t use the mouse to click on an operation or use the up and down arrow keys on the keyboard The user can modify the operations scenario using the buttons located to the right of the list of operations Add Year This command will add a new rotation year to the operation schedule Delete Year This command will delete the highlighted year from the operation schedule Add Operation This command will add a new operation to the rotation year currently active Delete Operation This command will delete the highlighted operation Edit Operation This command will display the parameter values for the highlighted operation allowing the user to modify the values In addition to these commands the two buttons at the top of the dialog box may be used to modify or save the displayed scenario Load Scenario This command will replace existing management items with those from a predefined scenario Save Scenario This command will store the management information for the displayed management data set as a predefined scenario The data set is then available for loading in the current project and other projects To add a rotation year a Click the Add Year 115 button 203 b Anew year number will appear in the operation schedule list c Select the line with the new year number to add operations in the new rotation year To delete a rotation year a Highlight one operation line belonging to the year to be deleted b Click the
259. t name scenarios default scen directory that contains the dbf tables and SWAT input files for the scenario The subdirectory is given the name of the scenario defined by the user 14 A prompt box will be displayed during the save Figure 13 40 Hote For Scenario Do you want to write a note for this scenario Figure 13 40 15 Click No to skip this option Click Yes to write a note If the user clicks Yes a text box is displayed Figure 13 41 252 amp Describe Scenario Fri Jan 19 21 12 10 2001 Figure 13 41 Enter a note and click Close 16 Once all changes are made a prompt box is displayed Figure 13 42 Run SWAT Gd Do you want to run SWAT for this scenario Figure 13 42 17 Click Yes to run a SWAT simulation for the scenario or click No to skip this option If the user runs SWAT one of two message boxes will be displayed when the SWAT simulation terminates a If the simulation terminated before the entire simulation period was completed a message box will notify the user of a run failure Figure 13 43 2 Simulation problem i SWAT run HOT successtully completed Figure 13 43 Click OK Review inputs before attempting a new run 253 b If the simulation terminates properly a message box will notify the user of a successful run Figure 13 44 Simulation i SWAT run successtully completed Figure 13 44 Click OK Another prompt box will be displaye
260. ta with SWAT results Table Format Preferred 5 fields Longitude in decimal degrees TYPE string 1 char O should always be entered in this field Only the subbasin outlets Type O are allowed Watershed Inlet Location Table dBase Table The watershed inlet location table is used to specify the location of point sources and drainage watershed inlets Table Format Preferred 5 fields Field format floating point X coordinate in the defined projection floating point Y coordinate in the defined projection floating point Latitude in decimal degrees LONG floating point Longitude in decimal degrees TYPE string 1 char D for Point Source P Draining Watershed Inlet Only the point source Type D or draining watershed inlet Type l are allowed 13 Land Use Look Up Table dBase or ASCII The land use look up table is used to specify the SWAT land cover plant code or SWAT urban land type code to be modeled for each category in the land use map grid Because this information can be entered manually this table is not required to run the interface This table may be formatted as a dBase table or as a comma delimited text table The first row of the land use look up table must contain the field names The remaining rows will hold the required data An example land use look up table can be found in the included dataset dBase Table Format 2 fields Field format VALUE Number of
261. tarting with a numerical character are not allowed Precipitation Gage Location Table dBase When measured precipitation data are to be used a table is required to provide the locations of the rain gages The precipitation gage location table is used to specify the location of rain gages dBase Table Format Preferred 5 fields Field format ID integer Gage identification number not wee by interface SR fork por ordinate ir peloton dBase Table Format Alternative 5 fields This format can be used only if the projection is defined in the project Field format integer Gage identification number not used by interface NAME Corresponding table name string floating point Latitude in decimal degrees LONG floating point Longitude in decimal degrees ELEVATION Elevation of rain gage m The name of the table which holds the precipitation data is NAME dbf or NAME txt When using the alternative table format the projection of the maps used in the interface must be defined in order for the interface to convert the latitude and longitude to the proper coordinate values 19 dBase Table Format Alternative 7 fields This format must be used if the projection is not defined in the project Field format not used by interface NAME Corresponding table name string floating point X coordinate in the defined projection floating point Y coordinate in the defined projection floatin
262. te a browser a Click the UZ b A directory browser will appear with the directory listed in the text box visible Figure 15 5 button to the right of the text box 3 Directories browser E4 d Vavewat 7 Maketork Figure 15 5 c Click the button labeled Up This will make the installation dir directory active You will see at least three directories listed avswatdb avswatpr and lakefork Select avswatdb by clicking on the name in the list of directories When the avswatdb directory is active several subdirectories will be listed allus example7 example2 helodoc and exinputs Select example by clicking on the name in the list of directories The Directory browser will now look like Figure 15 6 Directories browser E3 d avswat T Vayvewatdb example Figure 15 6 317 d Once the proper directory is listed in the text box next to Selected Dir click the button labeled OK 10 The SWAT User Data directory in the prompt box will show the directory chosen with the browser Figure 15 7 fs SWAT ArcYiew Data sets X DAYS IAT OTA S WAT OBSEKAMPLE Figure 15 7 11 Click OK to confirm the choice To access the Environmental Variables prompt box at any time select Avswat Main Interface Dialog from the Avswat menu to bring up the Main Interface screen and then click the button next to Environmental Variables 12 Once the User Data directory is defined the interface wil
263. tension evolved from AVSWAT an ArcView extension developed for an earlier version of SWAT Di Luzio et al 1998 Important functional components and the analytical capability of ArcView GIS are implemented in several sets of customized and user friendly tools designed to 1 generate specific parameters from user specified GIS coverages 2 create SWAT input data files 3 establish agricultural management scenarios 4 control and calibrate SWAT simulations 5 extract and organize SWAT model output data for charting and display The most relevant components of the system are 1 a complete and advanced watershed delineator 2 a tool for the definition of the Hydrologic Response Units and 3 the latest version of the SWAT model with a relative interface AVSWAT software is developed as an extension of ArcView GIS for the Personal Computer PC environment Within this system Figure 1 1 ArcView provides both the GIS computation engine and a common Windows based user interface AVSWAT is organized in a sequence of several linked tools grouped in the following eight modules 1 Watershed Delineation 2 HRU Definition 3 Definition of the Weather Stations 4 AVSWAT Databases 5 Input Parameterization Editing and Scenario Management 6 Model Execution 7 Read and Map Chart Results 8 Calibration tool Once AVSWAT is loaded the modules get embedded into ArcView and the tools are accessed through pull down menus and other cont
264. ter is reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf 3 Close the dialog box Click Cancel to exit without saving the changes Click OK to exit and save any changes made lf unacceptable parameter values were inserted a message box similar to the one described in Step 2 may be displayed Click OK and return to editing and correct the values 4 If the user saves the modified values once the values are saved for the subbasin by clicking OK in Step 3 a new dialog box is displayed allowing the user to copy the modifications to other subbasin data sets Figure 12 40 Wus Subbasin 5 Extend the same data set ta f Allthe subbasing Selected subbasins Help Figure 12 40 a If you do not want to copy the edited water use data to other data sets click No The changes will have been saved for the individual subbasin and no others 198 b lf you wish to copy the edited water use
265. the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation diravswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf 3 Once all parameters are properly set click OK to exit the Lake Water Quality of Reservoir data dialog boxes and save the current settings Click Cancel to exit the Lake Water Quality or Reservoir data dialog boxes without saving 170 SECTION 12 INPUT MODIFICATION SUBBASINS The Edit Input menu is one of four new menus introduced in the SWAT View The Edit Input menu allows you to edit the SWAT model databases and the watershed database files containing the current inputs for the SWAT model Select the Edit Input menu using the mouse or by pressing the ALT D keys Five items are listed on the Edit Input menu Figure 12 1 i newl swat AYSWAT 2000 Blackland Research Center Yer 1 0 Eile Edit iew Tae ane Simulation Reports endow Help j ott Rg fuel eee Ctrl 0 l lt gt Pastas Point Source Discharges Ctrl 1 Inlet Discharges Ctrl e Reservoirs Chl 3 Ctrl 4
266. the period specified Figure 15 45 341 Libel faa Aer Te Byki Heeh Coane We Ea Ed Galen Chet idoa Hee O OOO O a 2 BESS AA SES J Seah yii Sehba 1 Mi E Dai Bsh Ayi Subberein 1 iB 7 a a iHi mi ULE ITAN ji IBS i Il 144 Mji PELLE DE 1750 1i EEn LTS 1S amari 17 40 1 13471 7 7 oe CE E rma am iai a O amiar Aat ae EE ieee ia amar a0 1a 1J ss lair uama a0 aaa IAMA ee iil iiia ao di ia 1E iH Mi ind S00 ie iaai Gc ius oar 1A 184m LEE THH a mia a am eny Tides daa S Oar a0 S aA IE 1 i mha iFa 0 ce jaar 1 4 foes ina iran wE IFE bi TUCA Figure 15 45 To make other plots access the dialog box by clicking Map Chart on the Reports menu If the SWAT ArcView menus are not listed click the Output map and they should appear If desired input data may be edited from the Edit Inputs menu After editing changes have been made repeat the steps in Section 15 1 6 and 15 1 7 to generate and view the new output A Calibration Tool and Delivery Load Table Tool are available under the Simulation menu Section 13 describes these tools To exit the SWAT ArcView interface click in the map display area with the right mouse button to make the pop up menu appear Select Avswat Main Interface dialog on the pop up menu Then click the button next to Exit ArcView A prompt box will appear to confirm the exit selection Click Yes 342 APPENDIX 1 WATERSHED DELINEATION OUTPUT
267. the polygon is used for the map category The Stmuid Seqn option allows the user to specify the polygon number and the soil sequence number This allows the user to choose a soil other than the dominant within the polygon For example if Seqn is set to 3 data for the third most common soil phase will be used to represent the map category The Name Stmuid option allows the user to specify a soil series within the STATSGO polygon by name The interface will use data for the dominant phase of the soil series to represent the map category The user may also link the soils map to the database via Soils5ID number When the S5Sid option is chosen data for the specified soil series is used to represent the map category In order to use the S5id option the soil database for the entire US must be installed The final option Name is chosen when soils data from the User Soils database are to be utilized The user will import SWAT soil files sol or type the soil data into the User Soils database for each of the map categories prior to creating the project The Name specified for each of the map categories is the name of the soil in the User Soils database To reclassify the map categories the information may be manually entered within the interface Alternatively a look up table may be loaded which has this information listed Section 3 3 summarizes the format of the look up table used to specify the soils information The map the
268. theme has been processed and clipped to the watershed boundaries The message box also reminds the user to load a look up table or manually define the soil classes for the theme 2 Load and Clip Soil data The soil data have been successfully loaded and clipped to the watershed boundary Before clicking the Heclassity button load the lookup table or manually assign each grid value Figure 6 36 6 Click OK to proceed This will return you to the Definition of LandUse and Soil Themes dialog box 7 Anew theme SoilTmp is added to the Watershed Viewwhere the user may review the results of the map processing The path of the resulting grid is shown in the text box labeled Soils Grid The list box displays the soil grid values with percent watershed area as well as attributes that will store some could be already populated the soil description information Figure 6 37 112 Tina werd Ao WAT a0 Hleckland Reseach Conte Wer Lo nati aleae raphi Wrdow ayaval Hee z ee lee Sie As Sob iias a Sood dala Leper Sok Gad Pee Revered TenTen Lookup Table Grid Yskes Sods stibules Figure 6 37 Define SWAT Soil associated with soil theme categories Grid Field 1 Select the Grid attribute field value containing the codes category values to be reclassified 2 Soil map categories must be linked to one of two databases the U S STATSGO database or the User Soils database ST
269. themels from Disk OOO rs fo dA gt avwa gt avewatdb exarnplel Ho Figure 6 6 Select one or more themes hold the Shift key for a multiple selection and click OK 98 The selected themes are converted into a grid theme with the cell size set to the base cell size The base cell size is the cell size of the DEM theme By default the script will look for the Lucode field in the table of attributes of the shape themes and use these values for the conversion to grid If this field is not included the script will look for the field types integer and string If none of these fields are found a dialog box will report the lack of usable fields Figure 6 7 and stop the process an integer or string Field i Themel shp theme does NOT contan Figure 6 7 lf more than one field is usable a dialog box will list them Figure 6 8 and you can select one and click OK 2 Conversion Field Cataloging Unit Boundaries Pick field for cell values Figure 6 8 lf more than one theme was selected the interface will check all themes for the selected field If one or more themes do not contain the field the interface will stop the loading process b If you selected the Grid option i If loading from the Watershed View a dialog box is displayed Figure 6 9 showing the list of grid themes 99 2 Select from Watershed View LandUseT mp Demi Landuse Figure 6 9 li If loading from dis
270. ticides OPEANICH 0 000 mg A RET 1 710 Aday AMMONIAN 0 000 mg I RK 50 000 1 day NITRITEN 0 000 mg l RKG 0 360 Adap NITRATEN 0 000 mg l AKA e ORGANIC 0 000 mg J PKS 200 0 day DISOLYP 0 000 mg FKE 1 710 day AS i mida BC st 14da AS2 0 050 mg ir day pre 1 100 1 Aday AS 0 500 mgnda prs reat day AS 0 050 1day BC4 0350 day Help Cancel OK Figure 12 89 2 When the dialog box appears the stream nutrient water quality parameters are shown To display the stream pesticide water quality parameters Figure 12 90 click the radio button adjacent to Pesticides The radio buttons f Nutrients Pesticides allow the user to switch back and forth between the two data types 22 2 Swq Subbasin 5 Stream Water quality data Pesticide parameters CHPST_CONL LHPST_RE4 LHPST_VOL O 000 mg ma 0 000 Aday 0 000 midan E E CHPST KOC 0 000 mada TEsIGJER CHPST STL Toon medal CHPST_ RSP 0 000 mnda C Nutrients CHPST_Mlz 0 000 m day SEDPST CONE E i rr SEDPST_ REA 0 000 day SEDPST_BRY 0 000 mAday SEDPST_ACT 0 000 m Help Cancel OF Figure 12 90 Note In both pages if the cursor is placed on top of any text box or button a short help description yellow label appears and the range of variation for parameters is shown Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next para
271. ton 14 The category display for the map will show the SWAT land use codes Figure 1 15 ke artis a terete z ia a OS 1 ese a amp Te Figure 15 31 15 To load the example soil grid click beside the Soil Grid text field 16 A prompt box will appear Figure 15 32 332 2 Set the Soil grid Select Soil themes tram Watershed View a Load Soil themes s from disk Figure 15 32 Highlight Load Soil theme s from disk and click OK 17 Another prompt box will appear for the user to define the map format select Grid and click OK 18 A message box will appear reminding the user that the data must be projected Click Yes 19 A browser will appear with the User Data directory active Click the name of the soil map grid soi Click OK to confirm the choice 20 The raw soil grid will be displayed and clipped to the watershed area Figure 15 38 ay lt SP YS SSS Tape Figure 15 33 333 A message box will also appear reminding the user to load the look up table for the map Click OK 21 Five options for linking the soil map grid to the soil database are described in Section 6 The example data set is set up to link via STATSGO polygon numbers On the Land Use Soil dialog box select the Stmuid option for linking the soil grid to the soil database E Stmurd Then click L beside Lookup Table Grid Values gt Soils attributes 22 A prompt box will appear for the user to define the look up ta
272. tten a message box will pop up Figure 8 16 Figure 8 16 Click OK to proceed d From the Input menu select Write General Subbasin Data sub or press Ctrl F This selection generates the general subbasin data see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 6 A prompt box pops up as described in 1 c under Section 8 1 When the data files have been written a message box will pop up Figure 8 17 Figure 8 17 Click OK to proceed 142 e From the Input menu select Write General HRU Data hru or press Ctr1 G This selection generates the general HRU data see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 19 When the data files have been written a message box will pop up Figure 8 18 Ge Completed the hru files Figure 8 18 Click OK to proceed f From the Input menu select Write Main Channel Data rte or press Ctr1 H This selection generates the subbasin main channel data see Soil and Water Assessment Tool User s Manual Version 2000 Chapter 25 A prompt box pops up as described in 1 d under Section 8 1 When the data files have been written a message box will pop up Figure 8 19 i Completed the rte files Figure 8 19 Click OK to proceed g From the Input menu select Write Groundwater Data gw or press Ctrl I This selection generates the HRU groundwater data see Soil and Water Assessment Tool User s Manual Version
273. tton loads the DEM grid map used to calculate all subbasin reach topographic parameters Two check boxes options load or create a mask grid and or load a stream shape file 2 To load or select the DEM grid click the button beside the text box labeled DEM grid 3 A dialog box is opened to specify which DEM map grid to use Figure 5 3 2 Set the DEM grid Options Select from Watershed View Load DEM grid from disk Figure 5 3 You may select a DEM grid that has previously been added to the Watershed Viewor load a DEM Click OK after the selection If the first option was selected the list of the grid themes in the Watershed View is shown Figure 5 4 otherwise a grid dataset file browser Figure 5 5 will appear to allow you to specify which DEM will be used 63 2 Select from Watershed View Derm Sugarcr dem Figure 5 4 lt 2 Load DEM grid from disk Po Eel amask E gt ds El dem gt avswat Ea landuse gt avemwatdb Be sail ge eramplel Figure 5 5 Select the name of the DEM map grid and Click OK or double click the selection Once the DEM is loaded the grid data set path will be shown in the text box labeled DEM Grid A prompt box will be displayed reminding the user to verify DEM properties Figure 5 6 J Dem loaded i Figure 5 6 64 9 6 Click the properties button L next to the DEM grid text box The DEM properties dialog box allo
274. ues for the watershed configuration input parameters The SWAT ASCII watershed configuration input file is also generated 49 The Input Menu Write Soil Data sol The Write Soil Data sol command creates an ArcView table 6ol dbf that stores values for SWAT soil input parameters Initial SWAT ASCII sol input files are also generated The Input Menu Write Weather Generator Data wgn The Write Weather Generator Data wgn command creates an ArcView table wgn dbf that stores values for SWAT weather generator input parameters Initial SWAT ASCII wgn input files are also generated The Input Menu Write Subbasin General Data sub The Write Subbasin General Data sub command creates an ArcView table Sub dbf that stores values for SWAT subbasin input parameters Initial SWAT ASCII sub input files are also generated The Input Menu Write HRU General Data hru The Write HRU General Data hru command creates an ArcView table hru dbf that stores values for SWAT HRU input parameters Initial SWAT ASCII hru input files are also generated The Input Menu Write Main Channel Data rte The Write Main Channel Data rte command creates an ArcView table rte dbf that stores values for SWAT main channel input parameters Initial SWAT ASCII rte input files are also generated The Input Menu Write Groundwater Data gw The Write Groundwater Data gw command creates an ArcView table gw dbf that stores values
275. utton b A prompt box with a drop down list is displayed Figure 12 76 All pesticides in the SWAT pesticide database see Section 14 are listed Pesticides Pesticides that can be added Aatrex Abate Acaraben Figure 12 76 c Select the desired pesticide by clicking on the name Click OK to add the pesticide to the list of pesticides in the soil or click Cancel to close the prompt box without adding a pesticide to the list 218 d lf the user added a pesticide the pesticide name will appear in the list of pesticides in the Soil Pesticide Data section Figure 12 77 Soll Pesticide Data al PLTPST J 0 00 kg ha SOLPST 0 00 mg kg PSTENF 0 00 Remove Pesticide Figure 12 77 Note Up to 10 different pesticides may be simulated in the land areas of the watershed Pesticides are input in the soil chemical chm and management mgt files To edit the parameter values for a particular pesticide highlight the pesticide name Activate a parameter text box by clicking on it Type the desired value in the text box You can move to the next parameter by pressing the Tab key If the value of the parameter is out of range a message box like the one in Figure 12 78 pops up Check SOLPST Figure 12 78 Click OK The parameter is reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum valu
276. utton a short help description yellow label appears and the range of variation is shown c The soil parameters are separated into two groups The parameters that are applicable to the entire soil profile are displayed in the box titled By Soil and the parameters that pertain to a particular soil layer are displayed in the box titled By Layer The layer number is displayed at the bottom of the By Layer box between the Up and Down buttons The different layers in the soil profile can be accessed via these buttons Layer d Edit data Activate a cursor by clicking in the text box Type the desired value You can move to the next parameter by pressing the TAB key If the 264 value of the parameter is out of range a message box like the one in Figure 14 5 will be displayed Check ANION_EXCL T AMION_ESCL must be set between 0 010 and 1 000 Figure 14 5 Click OK The parameter will be reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extension of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir oaram
277. which the interface searches for the information needed to create the SWAT input files lt 2 SWAT ArcView Data sets SWAT Progranns DAS a T TAYS WA T PA SWAT Data Bases DAMS UAT TAYS WATDB SWAT User Data Ce hots 7 7 ALAR E FORE Help Cancel OF Figure 15 4 Programs used by the interface are stored in the directory listed next to SWAT Programs This directory is defined when the interface is installed The directory listed next to SWAT Data Bases contains all the database dbf tables used by the interface to set default input values and define the upper and lower limits for variable values This directory also contains the soil and weather generator databases included with the interface As with the previous directory this directory is defined when the interface Is installed The third directory is the SWAT User Data directory When the interface brings up the Environmental Variables prompt box the project directory created by the interface is listed in the text box the interface output directory This needs to be changed to the directory where the DBF tables containing the measured precipitation and temperature data are stored 9 The maps and database tables required for the example project are stored in Installation difAvSwatDB Example1 The name in the text 316 box may be changed by 1 typing the directory pathway in the text box or 2 searching for the correct directory with a browser To activa
278. ws DEM vertical and horizontal units of measure and the projection to be verified or edited Figure 5 7 lt 2 Dem Properties Fa meters Y jan 2 Units y w Af resolution 100 meters 1Y Units Cell Area l ha Projection Help Cancel Figure 5 7 To change the units of measure click on the arrows to display drop down meters l meters boxes Units or Units and select one of the listed units Note Careful The DEM properties dialog should correctly report the horizontal and vertical units Incorrect settings will affect the results of the watershed geomorphic parameterization Projection To verify or edit the projection click the projection button Note The projection does not have to be defined in order to use the interface If the projection is not defined All location tables must use XPR and YPR coordinates to define the location of the objects of interest Latitude and Longitude cannot be used to denote the locations The US weather generator database cannot be used The PHU values cannot be calculated for each individual plant in the watershed by the interface A prompt box will appear listing projection details for the DEM map When a new DEM map is loaded the projection will be undefined Figure 5 8 65 Z Curent projection Projection Unprojected Units Decimal Degrees Datum WADE Spheroid GAS8 Figure 5 8 Click OK A prompt box will appear
279. xit in the Edit Point Discharges Input dialog box to return to the current project 152 153 SECTION 10 INPUT MODIFICATION INLET DISCHARGES The Edit Input menu is one of four new menus introduced in the SWAT View The Edit Input menu allows you to edit the SWAT model databases and the watershed database files containing the current inputs for the SWAT model Select the Edit Input menu using the mouse or by pressing the ALT D keys Five items are listed on the Edit Input menu Figure 10 1 g newl swat AYSWAT 2000 Blackland Research Center Yer 1 0 Eile Edit tel sells ane Simulation Reports amdo Help keagenan Tea Ctri 0 lge ias Point Source Discharges Ctrl 1 ee hee T eS Inlet Discharges Ctrl 2 ia Reservoirs Chl 3 4 ii eagages E Subbasins data Ctrl 4 wi Tempgaqes L Figure 10 1 The third item of the Edit Input menu allows the user to edit the inlet discharge loadings Inlet discharges are added to the watershed configuration during the watershed discretization see Section 5 1 Select Inlet Discharges from the Edit Input menu in the SWAT View or press Ctr1 2 Figure 10 2 2 new1_swat AYSWAT2000 Blackland Research Center Yer ai Theme nput Simulation Reports window oi cota cae DaHa Ctrl 0 ge Ctrl 1 Point Source Discharges Ctrl Inlet Discharges a Reservoirs Ctrl 3 Weagages ax Subbasins data Ctrl 4 ig k al Tempgages L Figure 10 2
280. y Loadings Pt hopOpep dbf feo dA hop pep db gt avewal 7 hop2pep dbf gt avewatdb hop 3pcp dbf hop4ocp dbf luc dbf nutrient dbf Figure 10 15 iv Select the file and click OK or double click the selection 3 Click Exit in the Edit Inlet Discharges Input dialog box to return to the current project 161 SECTION 11 INPUT MODIFICATION RESERVOIRS The Edit Input menu is one of four new menus introduced in the SWAT View The Edit Input menu allows you to edit the SWAT model databases and the watershed database files containing the current inputs for the SWAT model Select the Edit Input menu using the mouse or by pressing the ALT D keys Five items are listed on the Edit Input menu Figure 11 1 g newl swat AYSWAT 2000 Blackland Research Center Yer 1 0 Eile Edt View sells pe Simulation Reports utes Help cele e 7 idae Ctrl 0 fee ele Point Source Discharges Ctrl 1 eee eee EE de EEL Inlet Discharges Ctt tie Reservoirs Crl 3 4 ii eagages E Subbasins data Ctrl 4 wi Tempgages b Figure 11 1 The fourth item of the Edit Input menu allows the user to edit reservoir parameters inputs Reservoirs are added to the watershed configuration during the watershed discretization see Section 5 1 Select Reservoirs from the Edit Input menu or press Ctr1 3 Figure ae i new swat A YOWAT 2000 Blackland Research Center Yer 1 0 i Edit View Theme ken Simulation B
281. y button load the lookup table or manually assign each grid value Figure 6 13 6 Click OK to proceed This will return you to the Definition of LandUse and Soil Themes dialog box 7 A new theme LanduseTmp is added to the Watershed View where the user may review the results of the map processing The path of the resulting grid is shown in the text box labeled Landuse Grid The list box displays the landuse grid values with percent watershed area The LanduseSwat attribute that defines the land cover plant from the SWAT databases is blank and must be defined Figure 6 14 101 o ew coed AMOUR TOO Deen nra Carte We 1 Ble Ed Yea hira Grakom Gulea Giph Widen Asa Help A eR hs AAE a e okk aeren r D Dehra of Landier ceed brl Themes Lrkhgrh es added Guile Wiradi sidad Oud et ak es l a ee eG E E Lgpe fbas as ee ear 5 Meee Land Ute EA J Waseem bed r Aci S m A r Elam ree eel ene rha Le il Ea te gh age i i he a n n ahis 2 4 yA tE es mie j 1 Aa ty ee S ag a e Lookup Tabie red Wakes Lewd ocr clara GE ae a L oem z Be per shee ahi oe sae L Jag i E l ai i T dormo Std on e y j T E Pio Prit Lancia Ha Ei Oe a ee z ee i reed aoe w f P z s ma a a ee z Pe ee bel 1 on E T E F i Ey a i Me gt eg Figure 6 14 Define SWAT Land Cover associated with land use theme categories Grid Field 1 Select the Grid attri
282. y parameters are accessed by clicking the radio button to the left of the variable name of interest a Edit data Activate a parameter text box by clicking on it Type the desired value You can move to the next parameter by pressing the TAB key If the value of the parameter is out of range a message box like the one in Figure 12 13 will be displayed 179 E TMPMX Range Check STOP TMPM for January must be set between 30 00 and 50 00 Figure 12 13 Click OK The parameter is reset to the original value or to the closest range limit Note Value ranges for parameters are editable Some of the default minimum and maximum values assigned to variables may not be reasonable for your watershed All tables containing the variable ranges are located in the installation difavswatdb directory The names of the files are the three letter extensions of the SWAT ASCII input files listed in the Soil and Water Assessment Tool User s Manual Version 2000 followed by rng dbf As an illustration the reservoir parameter ranges are stored in resrng dbf b Load data To load a new data set from a preformatted SWAT wgn file Load click the Load Wgn button A prompt box containing a warning about the importance of properly formatting the file to be imported will be displayed Figure 12 14 Ifthe loading Wgn file i not in the correct format you may get Go an error message or the data wall not be in the correct feldi

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