WEAP-MODFLOW Tutorial - BGR
Contents
1. 21 3 9 Set the FLOW STAGE WIDTH 25 3 10 Send Linkage File Data to 26 3 10 1 Send catchment areas to 26 3 10 2 Send groundwater recharge to 27 3 11 Link WEAP and MODEPEQW 28 4 WEAP hydrology in linked models Rainfall Runoff 31 Add R noff links tothe SCNEMGUC lt 31 4 2 Assign catchments and Landuse Classes to the Linkage 32 4 3 Data input in VERB ien mcis aridi uod aU Mon IORnuiSIP ND DI NUM n CD GN dE 34 4 3 1 Enter Precipitatii MENU T 34 4 3 2 Igi ETRE 35 4 3 3 35 4 3 4 Enter Runoff and Infiltration 5 nennen 35 4 3 5 Run the model and browse the 15 35 5 36 5 1 Abstraction for 36 5 1 1 Add irrigation abstraction by demand 7 36 5 1 2 Add irrigation abstraction to a Landuse 552. 1 6 37 5 2 Changes ES E EE 39 5 2 1 us iei bom Eun LM Du MU 39 5 2 2 40 5 3 Domestic water supply from well 5 41 5 4 Artificial groundwater recharge scsccccsssscssoussecconssscencnssscneoussestonesscncousensoussestensssenenes 43 5 EID EE IIR 45 WEAP MODFLOW Tutorial 3 45 ar BGR exitium a Svs d 1 Introduction The present tutorial intends to illustrate the idea of the dynamic link between WEAP and MODFLOW The techniques presented are kept as simple as possible in order to make you familiar with the necessary steps for building up a WEAP model that is linked to MODFLOW and to give you an introduction to solving common water management problems The first part will guide you through building a WEAP model based on the data stored in a MODFLOW model Hard Data approach Despite this approach is not recommended in general as flexibility is lost and many of WEAP s powerful modelling options are not available it might be useful in case measured data e g precipitation used to build and calibrate the existing MODFLOW model is unavailable for whatever reason The second part focusses on building and linking a model that makes use of WEAP s internal functions to model groundwater recharge and surface runoff In the last part you will learn how to cope with various challenges typical to mod
3. Results w Tre e 3 scil 3H Z 2 2 2 5 2 z uU Oct Jan Ape Oct Jaen Ape Oct Jan Ape Oct Jan Ape Jul Oct Jan Ape Oct Jan Ape Oct Jan Oct Jan Ape Oct Jan Oct Ja 1999 2000 2000 2000 2000 2001 2001 2001 2001 2002 2002 2002 2002 2003 2003 2003 2003 2004 2004 2004 2004 2005 2005 2005 2005 2006 2006 2006 2006 2007 2007 2007 2007 2008 2008 2008 2008 2009 2009 2009 All Years Percent of Time Exceeded WEAP 3 3001 Area DSS Tutorial 2000 2009 monthly Results View Groundwater Storage Reference Mar 2004 133 56 Million Cubic Meter WEAP MODFLOW Tutorial 45 45 Common Tasks
4. trom overlay aac di cafu Xn 12 X983 27 6 Highlight C MainUpper in the Branch Viewer click Add Attribute to selected Cells 7 Highlight GW MainUpper in the Branch Viewer and click Add Attribute to selected Cells Repeat steps 5 7 for the other Catchments and Groundwater nodes 8 Set Layer Landuse selectable and assign Landuse Classes to the Linkage File The procedure is similar to steps 5 7 9 Send the Area data to WEAP Demand Sites and Catchments Data for Current Accounts 2000 Manage Scenarios LL Data Expressions Report EFC MainCentral unirrigated Land Use f Climate Loss and Reuse f Yield _ Water Quality Cost j 4 Advanced East unimigated Kc Effective Precipitation pod 5 urban i amp poe Enter the land area for branch or branch s share of land area from branch above forest pasture Feng g lashes sa 5 unirrigated Demand Sites and Catchment 2000 Em C Mainllpper POP forest forest 77 2823 ha calculated by LinkKitchen 22 09 2012 14 33 o gated mgated 7121 ha calculated by LinkKitchen 22 09 2012 14 33 01 m pasture pasture 23567 ha calculated by LinkKitchen 22 09 2012 14 33 hub shub 7388 calculated by LinkKitchen 22 09 2012 14 33 B C MainLower ic unirrigated i urban Table Notes Supply and Res
5. 734 of 4831 cells selected C MainUpper tC MainLower Groundwater GW East t GW West i GW_MainCentral GW MainUpper ih GW_MainLower Rivers El Main River t Below Main River Headflow 5 Below West River Inflow i Below East River Inflow Relaw Snrina Inflew 8 Layers Linkage Shapefile Recharge 5 1 MODFLOW D m LF St Head L1 Recharge SP1 Recharge SP2 Recharge SP3 Recharge SP4 Recharge SP5 Recharge 5 6 Recharge SP7 Recharge SP8 Recharge SP9 Recharge SP10 Recharge SP11 X 12657 Y 12007 j 2 Highlight C MainUpper in the Branch Viewer and click Add Attribute to Linkage File This will write the Branch s name to the linkage file 3 Highlight GW MainUpper and click Add Attribute to Linkage File MainUpper cs ik C MainLower i ee Der Groundwater t toL MainLower GW East E1 Groundwater 10W West ha GW_East GW MainCentral L GW West E ick ET Main artal he GW_Main Lower H Rivers Main River m Below Main River Headtlow i Below West River Inflow 3 Repeat Steps 1 and 2 for the other Catchments 4 Highlight the Parent Branch Catchments and look at the Linkage File Preview WEAP MODFLOW Tutorial 19 45 Hard Data Approach o x Y EX Qe 0 of 4831 selected fl Ea mE 0 Linkage File Preview Catchment C_MainLower MainCentral west
6. 01 01 L3 01 02 01 03 01 04 01 05 01 06 01 07 01 08 01 02 01 10 01 11 01 12 wn 4 c tn EHE 1 1 1 1 Hn 1 1 1 1 Note it is good practice to save the linkage file frequently in order to not lose your edits The file is overwritten every time you save it WEAP MODFLOW Tutorial 24 45 Hard Data Approach Qe 4 LV 3 9 Set the FLOW STAGE WIDTH relationship In order to allow WEAP to calculate river related functions correctly you need to assign a parameter called Flow Stage Width relationship This parameter or set of parameters describes the physical properties of a river and its riverbed and is the basis for WEAP to calculate groundwater river interactions If you set up a WEAP model based on the information from a MODFLOW model it is likely that the required information about rivers is missing LinkKitchen provides a rather pragmatic method to assign the Flow Stage Width relationship with standardized parameters 1 Switch to LinkKitchen and highlight the River Reach Spring Below Spring Headflow 2 Click the Command to open the Flow Stage Width Dialog The following Window shows nine images of rivers of various sizes Left click on the top left image this one should come closest to a spring The images below show rivers with different streambed shapes slopes and flow volumes Select the one that looks most alike t
7. Diversion Reservoir Groundwater Other Supply ivi Demand Site Catchment ivi Runoff Infiltration Transmission Link Wastewater Treatment Plant ivi Return Flow ivi Run of River Hydro M Flow Requirement Streamflow Gauge ivi amp Major Rivers States Country i Ocean lt pe s E25 WEAP 3 3001 Area DSS Tutorial 2000 2005 monthly Schematic View Licensed to Markus Huber geo tools Germany until September 12 2013 WEAP MODFLOW Tutorial 9 45 Hard Data Approach 3 2 Start LinkKitchen LinkKitchen is a GIS alike tool designed to assist the setup of the Linkage Shapefile without the need of further GIS and Spreadsheet software It provides all necessary functionality for producing the linkage file and for its attribution Furthermore it allows direct parameterization of the WEAP model based on linkage file s attributes If you are not yet familiar with the use of LinkKitchen please read its User Manual before you continue with the tutorial Remain WEAP open and start LinkKitchen in parallel At start up you are prompted to select the one of your WEAP models which you want to work on Select DSS Tutorial and confirm the dialog by click on OK LINUITCHEN Before the program starts you need to select the WEAP area you want to link with MODFLOW changes made dn this season Lrt
8. It is assumed that MODFLOW is the only source of information about the model area Catchments and Groundwater nodes are thus delineated by zones of equal recharge rate You will use LinkKitchen to delineate the Catchment and Groundwater zones in WEAP 1 Switch to LinkKitchen and browse to the MODFLOW Layer Recharge SP1 in the MODFLOW Viewer Click the Preview Button to show the recharge zones D ey MODFLOW View Recharge SP 1 MainCentral RSGW MainUpper i GW_MainLower Rivers Main River 22 2 Below Main River Headflow i Below West River Inflow 222 Below East River Inflow i Below Spring Inflow Zi West River Below West River Headflow East River i Below East River Headflow El Spring i Below Spring Headflow 2 045 E 04 Layers Linkage Shapefile MODFLOW 27 1 Show preview of selected MODFLOW Dataset ji Ctrl Recharge SP9 Recharge SP10 Recharge SP11 X 15045 Y 14805 7 2 Click the Make Snapshot button to save the preview image permanently to disc The image appears in the List of Layers as a regular Background Layer 3 At this stage the recharge zones are saved as a JPEG image file in the WEAP area directory The file doesn t store any information besides a different colour for each zone WEAP MODFLOW Tutorial 13 45 Hard Data Approach _ GW_Main Upper GW MainLower Rivers Main River
9. Management Protection and Sustainable BG Hd Use of Groundwater and Soil Resources in the Arab Region ANNA WEAP MODFLOW Tutorial September 2012 NEOPA G R 74 SS gt wees FY w QR iP WEAP MODFLOW Tutorial Version 2 Authors M Huber geo tools M Al Sibai ACSAD With participation of J Al Mahameed ACSAD A Abdallah ACSAD O Al Shihabi ACSAD Jnad ACSAD J Wolfer J BGR Online available at http www ber bund de IWRM DSS WEAP MODFLOW Tutorial 2 45 Content 1 incision TETTE OESTE 4 2 MODFLOW B ro m 5 21 Model Area Main River Basin pente erit E Hur RUE 5 PN MEE i cic ez IVI OCC Emm 6 3 Create and link a WEAP model based MODFLOW 8 3 1 Create a new WEAP 9 S EIU diced in T EDS 10 3 9 Setthe WEAP Alea 5 eos EU 11 3 4 Add Catchment and Groundwater Nodes to the 13 35 Ad dRvers tothe Schemat Cesenan Eds term EEN 16 36 Setth Model R nt me In WEAP 17 3 7 Define Catchment and Groundwater in the Linkage 18 3 8 Deine Rivers in the Linkage
10. 1 d i 1 i1 1 1 1 1 rr Click on the results command and look at the result outputs like the groundwater levels Supply and Resources gt Groundwater gt MODFLOW gt Cell Head etc WEAP MODFLOW Tutorial 29 45 Hard Data Approach Area Edit View Favorites Advanced Help Vv Chart Table MODFLOW Cell Head v Meter v1 Vear 2000 gt Month October Scenario Reference Layer 1 WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Results View MODFLOW Cell Head Row 63 Column 38 Value 312 97 Meter WEAP MODFLOW Tutorial 30 45 Meter Results to Map 22553270 MODFLOW Cell Head Demand Site Coverage E 324 0to3255 5 C Groundwater Storage 322 5 to 324 0 221 0 to322 5 9 Y JI 3195te3210 2 Net Cost E 318 0 t03195 Results 11 River Water Quality g 316 5 to 318 0 L Streamflow m CI Supply Requirement 3150103165 m 313 5 to 315 0 e D Add Delete E 3120 to 313 5 V River 4 E 310 5 to 312 0 Diversion 309 0 to 310 5 E 307 5 to 309 0 Groundwater 5 306 0 to 307 5 Other Supply 306 307 vi 6 Demand Site il 304 5 to 306 0 Catchment 5 303 0 to 304 5 Runoff Infiltration 5 7 MODFLOW Cell Head Meter Row 63 Column 38 v 31
11. Sep 2001 Oct Dec Feb Apr Jun Aug Oc Dec Feb Ap un 1999 1999 2000 2000 2000 2000 2000 2000 200 2001 2001 2001 Base Year First Year Last Year Data from to Use to Use 2000 2000 2001 Annual Total Monthly Average Percent of Time Exceeded 5 u a di v iL E 9 ii Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul 1999 1999 1999 A 2000 2000 2000 2000 2000 2001 2001 2001 2001 2001 Demand Sites and Catchments C_MainCentral Precipitation mm ReadFromFile TimeSeriesNFAO METHOD INPUT DATA csv 6 Help w Finish x Cancel 5 Repeat steps 2 4 for the other Catchments WEAP MODFLOW Tutorial 34 45 Rainfall Runoff Model 4 3 2 Enter ETRef is entered the same way as precipitation but with the data column ET 4 3 3 Enter Kc Go to Landuse Kc and enter Kc values for each Landuse Class the same way as precipitation and ET ref Landuse Classes Irrigated and unirrigated retrieve values from the same data column unirrigated For details on the Rainfall Runoff simplified coefficient method model see WEAP help and FAO Irrigation and Drainage Paper No 56 Crop Evapotranspiration 4 3 4 Enter Runoff and Infiltration fractions The total runoff volume can be fractioned to surface runoff and groundwater recharge Supply and Resources gt Runoff and Infiltration
12. LinkKitchen and link some cells to Demand Site ArtificialRecharge The preview i City gt ArtificialRecharge Catchments E C_MainCentral unimigated Linkage Shapefile St Head L1 Recharge SP5 m MODFLOW D m LF Recharge SP6 Recharge SP7 Recharge SP8 Recharge SP9 Recharge SP10 Recharge SP11 should look similar to the image below LinkKitchen WEAP Area DSS Tutorial MODFLOW trans modify 5f drai 59 Linkage File Preview DemandSite A ArtificialRecharge No value 4819 un i t i ie n 4 Savethe Linkage File and go back to WEAP 5 Browse to the Cell Head results WEAP MODFLOW Tutorial 43 45 Common Tasks Injecting water has a similar effect on the groundwater tab
13. River t Below West River Headflow H East River i Below East River Headflow a Catchments 00000 MODFLOW D BB Drain Cond SP14 L1 Drain Cond SP15 L1 Drain Cond SP16 L1 Drain Cond SP17 L1 Drain Cond SP18 L1 Drain Cond SP19 L1 Drain Cond SP20 L1 4 Drain Cond SP21 L1 Drain Cond SP22 L1 Drain Cond SP23 L1 Drain Cond SP24 L1 River Stage 5 111 River Stage SP211 X 4483 Y 15809 4 Use LinkKitchen s selection tools to sub select those cells corresponding to the WEAP rivers E g Click and hold the Alt Key while drawing a rectangle around West River in order to select from selected river cells WEAP MODFLOW Tutorial 22 45 Hard Data Approach 5 Highlight the River branch Below West River Headflow in the Branches Viewer and click Add Attribute to Linkage File 6 Repeat the last two steps for all other river reaches The preview of the river attribution should show an image similar to the image below C LinkageFile Preview RiverReach GW_MainCentral MainUpper Bl Main River Below East River Inflow i GW_MainLower East River Below East River Headflow Main River Below West River Inflow H Main River Bl Main River Below Main River Headfiow i Below Main River Headflow WestRiver Below WestRiver Headflow Below West River Inflow B Spring Below Spring Headflow Below East River inflow No value 4629 i Below Spring Inflow E West River 2
14. gt from catchment C gt to Runoff Fraction Enter a value of 5096 for each link 4 3 5 Run the model and browse the results The result below shows the calculated recharge and runoff flows from C MainLower vv WEAP DSS Tutori Area Edit View Favorites Advanced Help Chart Table Sy Infiltration Runoff Flow Million v Cubic Meter Year 2001 Month January 5 Reference Annual Total Monthly Average Results to Map v Infiltration Runoff Flow i Demand Site Coverage Groundwater Storage Link Water Quality MODFLOW Cell MODFLOW Leakage Volt _ Net Cost River Water Quality a W MainLower P RI is 22 Kk ems v Diversion p amp 3 1 C MainLower 2 1 V Other Supply 16 Demand Site 1 Catchment 5 Runoff Infiltration 10 East River Infiltration Runoff Flow Million Cubic Meter Runoff Infiltration from C MainLower to GW MainLower Runoff Infiltration from C MainLower to Main River Runoff Infiltration from C MainUpper to MainUpper Runoff Infiltration from C MainUpper to Main River Runoff Infiltration from C West to GW West E Runoff Infiltration from C West to West River Jan Feb Mar Apt Jul Aug Sep 2001 2001 2001 2001 2001 2001 22001 2001 2 TE 2 WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Result
15. 0 C MainCentral 34 005 0 3 10 2 Send groundwater recharge to WEAP The procedure to send natural recharge to WEAP is similar to sending catchment areas 1 Highlight the Groundwater parent branch and click the WEAP button on the top toolbar 2 Switch to WEAP and browse to Data View gt Supply and Resources gt Groundwater gt Natural Recharge Note LinkKitchen calculates all recharge values as million m which is the default scale for natural recharge in WEAP Check and change the scale if necessary General gt Units gt Groundwater change the scale to Million m3 The recharge values should look like Area Edit View General Tree Advanced Help E Demand Sites and Catchments Stine lt Manage Scenarios 2 Data Expressions Report C_MainCentral C East av Loop Water Qual Cost hysical Quality amp C_MainUpper Storage Capacity Initial Storage Maximum Withdrawal 77 C_MainLower Ei pec and Resources Monthly inflow to groundwater source not including demand site return flows and catchment and surface water inflows already accounted for within WEAP iver B Groundwater Get Values from GW East Enter Expression ReadFromFile TimeSeriesWNaturalRecharge csv 5 MCM calculated by LinkKitchen 21 09 2012 16 34 GW West Enter Expression ReadFromFile TimeSeries NaturalRecharge csv 3 MCM calculated by LinkKitchen 21 09 2012 15 34 Gw MainCentral Gw Ma
16. 0 Infiltration vanishes and the entire precipitation runs off the rivers 1 Let WEAP repeat time dependant data each year precipitation ET Kc CSV File Name TimeSeriesFAO METHOD INPUT DATA csv Show on Chart at a Right Column 3 KcShrub 4 KcForest 5 KcUnirr 4 Oct 1999 Sep 2001 Oct 1999 Sep 2001 Oct 1999 Sep 2001 6 PRECIPITATION mm Oct 1999 Sep 2001 Num Missing Oc Dec Feb Apr Jun Aug 2000 2000 2000 2000 2000 2001 2001 2001 2001 Q 9 9 ui v iL c Data Column 6 PRECIPITATION mm Ta 100 80 60 mm month 40 20 0 Demand Sites and Catchments C_MainLowerPrecipitation mm Help Data from 2000 First Year to Use 2000 Annual Total WEAP MODFLOW Tutorial Last Year to Use 2001 Monthly Average Cycle NI Percent of Time Exceeded Q 5 18 0 Oct Jan Apt Jul Oct Jan Apr Jul Oct Jan Apr Jul Oct Jan Apr Jui Oct Jan Apr Jul Oct Jan Apr Jul Oct Jan Apr Jul Oct Jan Apr Jul Oct Jan Jul Oct Jan Apr Jul 1999 2000 2000 2000 2000 2001 2001 2001 2001 2002 2002 2002 2002 2003 2003 2003 2003 2004 2004 2004 2004 2005 2005 2005 2005 2006 2006 2006 2006 2007 2007 2007 2007 2008 2008 2008 2008 2009 2009 2009 ReadFromFile TimeSeriesNFAO METHOD INPUT DATA csv 6 Cycle A Finish X Cancel 39 45 Chose cycle option Common Ta
17. 2 50 m Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep 1999 1999 1999 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000 2001 2001 2001 2001 2001 2001 2001 2001 2001 Y Q O Q Hard Data Approach INV AE 4 WEAP hydrology in linked models Rainfall Runoff In the previous exercise you entered groundwater recharge directly into WEAP as Natural Recharge and delimited the catchments according to recharge zones in MODFLOW In the following exercises the catchment names remain the same but they correlate to different spatial regions surface water catchments The Catchments are furthermore subdivided into Landuse classes in order to reflect various water needs In addition surface runoff links are assigned to the catchment nodes from the catchment to the river In this chapter WEAP will calculate the groundwater recharge based on its internal Rainfall Runoff simplified coefficient method model 4 1 Add Runofflinks to the Schematic In order to let WEAP calculate surface runoff you need to add runoff links from catchments to rivers in the WEAP Schematic Drag and drop a runoff link from each Catchment Node to its corresponding River Catchment Runoff link to Headflow yes no C_West West River Yes C_East East River Yes C_Central Main River C_Main Lower Main River BREW MainLower 4 C_MainLower Transmission Link W
18. 221 Below West River Headflow E East River 22 1 Below East River Headflow El Spring i Below Spring Headflow J A MS M EN N E E l a Layers 4 Catchments gi Linkage Shapefile 1 St Head L1 Recharge SP1 Recharge SP2 Recharge SP3 Recharge SP4 Recharge SP5 s Recharge 5 6 Recharge SP7 Recharge SP8 Recharge SP9 Recharge SP10 Recharge SP11 MODFLOW 5 BB X 461 5207 7 Save the Linkage File to disc by clicking on the Write Linkage File button WEAP MODFLOW Tutorial 23 45 Hard Data Approach E2 ER Method 2 You can make WEAP guess the river reaches and drains in accordance to your digitizing rivers in the Schematic In order to make this procedure work it is necessary to link WEAP and MODFLOW first Continue with the next chapter and once you are about to link with MODFLOW click the Guess River Point Linkages and Guess Drain Cell Linkages Buttons Chapter 3 11 Background Shape File with MODFLOW Linkage Information SHAPE Linkage shp MODFLOW Cell Row Field MF Row Catchment Name Field CATCHMENT MODFLOW Cell Column Field MF Col Land Use Name Field LANDUSE Groundwater Name Field GROUNDWAT Demand Sites Name Fields mar River Reach Name Field RIVERREAC Guess Groundwater Linkages Guess Demand Site Linkages 1
19. 5 catchment and 5 groundwater nodes The result will look similar to the image below Area Edit View Schematic General Advanced Help vi River 4 ivi Diversion Reservoir ic V BI Groundwater 5 mow ainLower ivi Runoff Infiltration 5 Transmission Link Wastewater Treatment Plant MI Return Flow ivi of River Hydro M Flow Requirement Streamflow Gauge ivi amp MF River trans modify 5f dr MF Domain trans modify 5f L1 iv EI Recharge SP3 Q WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Schematic View Licensed to Markus Huber geo tools Germany until September 12 2013 WEAP MODFLOW Tutorial 8 45 Hard Data Approach oO 3 1 Create new WEAP Area 1 Inthe Main Menu in WEAP go to Area gt Create Area In the following dialog create a new Area which is initially blank and give it the name DSS Tutorial Description of D 55 Tutarial Password Protection Optional No Password Password Required to Open Password Required to Save Enter password Zz Confirm password X Cancel 2 Click OK and ignore the following dialog Area boundary by clicking on Cancel The model should look like below WEAP DSS Area Edit View Schematic General Advanced Help I River
20. C MainUpper 2 MainLower w l Groundwater 12GW East West GW_MainCentral i GW_Main Upper i i GW_MainLower Rivers Zi Main River i Below Main River Headflow Below West River Inflow Below East River Inflow E West River Below West River Headflow El East River Fact Divar C_MainUpper C_East MODFLOW jA St Head L1 Recharge SP4 Recharge SP1 Recharge SP5 Recharge SP2 Recharge SP6 Recharge SP3 Recharge SP7 X 7867 Y 896 2 WEAP MODFLOW Tutorial 20 45 Hard Data Approach OF Rip SS BGR a DY Ej m Us 27 1968 3 8 Define Rivers in the Linkage File In WEAP a river is defined as a chain of reaches sections between inflow or outflow nodes Any river reach requires to have a representation in the Linkage File There are two different ways to assign river reaches to the Linkage File The method to choose depends on how accurate you digitized the rivers in the WEAP Schematic beforehand If the WEAP rivers are digitized very accurately with no overlaps of the river lines out of the blue river cells you should opt for method 2 If the rivers are digitized only roughly around the river cells choose the first method Both methods are described in the following section Simplistic 2 Method 1 Accurate gt Method 2 ast River East River 0 MainCentral MainCentral Meth
21. and area for branch or branch s share of land area from branch above HER eis hectares as the area unit in order to make the entries visible 34005 ha calculated by LinkKitchen 21 09 2012 16 29 7388 ha calculated by LinkKitchen 21 09 2012 16 29 The area distribution should look similar to the following WEAP MODFLOW Tutorial 26 45 Hard Data Approach SSS 52 SSE gt 7 196 WT WEAP DSS Tuto Area Edit View General Tree Advanced Help Demand Sites and Catchments Data for Current Accounts 2000 v Manage Scenarios 2 Data Expressions Report C MainCentral TFA Land Use 22 Climate Loss and Reuse Yield _ Water Quality Cost Advanced Wes 5 C_MainUpper Area Ke Effective Precipitation C_MainLower Supply and Resources Enter the land area for branch or branch s share of land area from branch above Key Assumptions Hydrology 2 ss js TERE Other Assumptions Demand Sites and Catchment 2000 Water Quality 34005 ha calculated by LinkKitchen 21 09 2012 16 23 7388 ha calculated by LinkKitchen 21 09 2012 16 29 6573 ha calculated by LinkKitchen 21 09 2012 16 29 25957 ha calculated by LinkKitchen 21 09 2012 16 29 4516 ha calculated by LinkKitchen 21 09 2012 16 29 Table Notes Range 0 and higher lt 11 o 7 1 VFO i Be Q WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Data View Area 200
22. astewater Treatment Plant ow East River ow Requirement Streamflow Gauge E GW East MainCentral MainCentral C West lw West Spring C MainUpp r GW MainUpper WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Schematic View Licensed to Markus Huber geo tools Germany until September 12 2013 RE WEAP MODFLOW Tutorial 31 45 Rainfall Runoff Model Ao es ba 2 4 2 Assign catchments and Landuse Classes to the Linkage File 1 Add Sub branches to each of the Catchments In the Data View right click on the Catchment gt Add gt type the name of the sub branch as specified in the table below Catchment Landuse class C East unirrigated C East urban C MainCentral unirrigated C MainLower unirrigated C MainLower urban C MainUpper forest C MainUpper irrigated C MainUpper pasture C MainUpper shrub C West forest C West pasture C West unirrigated 2 Switch to LinkKitchen and load the two files Catchment shp and Landuse shp as Overlays 3 Set Layer Catchment to be selectable 4 Set Layer Catchment s Label to Catchment i Landuse EB Linkage Shapefile A s b 5 Right click into C MainUpper and click on Select Cells from Overlay WEAP MODFLOW Tutorial 32 45 Rainfall Runoff Model selected 2 E m 2 TO 90 of 4801 celis selected Select
23. cated in the folder SHAPE in the area directory to the Schematic and give it a solid blue colour TWEEN M Area Edit View Schematic General Advanced Help _1 River 4 Diversion Reservoir Schematic iv Other Supply Demand Site Catchment 5 MainLower Runoff Infiltration 5 v Transmission Link v Wastewater Treatment Plant Return Flow ivi miRun of River Hydro M Flow Requirement Streamflow Gauge I GW MainLower MF River trans modify 5f dr QC MainCentral vl MF Domain trans modify 5f B Linkage UC O Ma inCentral C West iow west GW East CM MainUpper B CW 4 2 Drag and Drop river nodes onto en the Schematic and digitize each river in flow direction on top of the blue area The rivers names are Main MeinCentral River East River and West River East River and West River are tributaries _Maincentral to Main River C West e C East 7 GW West GW East Main River 3 A fourth River needs to be digitized in addition to the three rivers In MODFLOW it is represented by two drain cells upstream of Main River That River is named Spring Spring WEAP MODFLOW Tutorial 16 45 Hard Data Approach 3 6 Set the Model Runtime in WEAP In order to ensure the WEAP calculation correlates
24. chen wil pp othe In the following dialog LinkKitchen prompts for the location of the Si asa MODFLOW model and the Linkage File Browse for the MODFLOW seer model that comes with the Tutorial data and select the Namefile nose en ep As a linkage file does not yet exist select to create a new Linkage File sin tutorial data weep mf tutorial 1 zip Once you confirm with OK all MODFLOW files will be copied to the WEAP Area s standard directory LinkKitchen produces the Linkage File as well as two other shapefiles in the background Those will be used during the next steps Federal Institute for Geosciences BGR and Natural Resources Cancel M Select MODFLOW Namefile Markus Documents WEAF Areas 55 modify of Select or create Linkage Shapetile Users Markus Documents Areas D 55 TutorialSHAP EXLinkage shp OK il Cancel WEAP MODFLOW Tutorial 10 45 Hard Data Approach YW 3 3 Set the WEAP Area s Boundary Your LinkKitchen User Interface will show an empty grid that represents the geometry of your MODFLOW model This is the linkage File p Demand Sites gt Catchments i Groundwater i Rivers Cocco Layers Linkage Shapefile zz MODFLOW 8 m LF St Head 11 Recharge 5 6 Recharge SP7 Recharge SP8 Recharge SP9 Rec
25. correctly with the MODFLOW model adjust the WEAP time steps and the starting month according to the MODFLOW stress periods here October 1999 September 2001 This is done using the General menu item gt Years and Time Steps Time Horizon Current Accounts Year 2000 Last Year of Scenatios 2001 E Time Steps per Year 12 Add Leap Days gt lime Step Boundary Based on calendar month Alltime steps are equal length t Set time step length manually r Water Year 1 October 31 Oct 1 ov E December Dec _Adanuary Aeey 6 March 7 April 8 May 309Nov 3l Deci o lanl 28 Feb1 31 1 __ WApri 8 May 1 30 Juni 31 Juli 31 Augl 30 Sep 1 Nov 30 Dec3l 3 dand Feb28 Mar31 Apr3 Au Jun 30 Jul 31 30 The study period wall run fram October 1999 September 2001 Initially you won t use any WEAP internal model to calculate surface runoff groundwater recharge and irrigation demand therefore choose in Data View gt Demand Sites and Catchments gt Advanced WEAP MODFLOW Tutorial c Rainfall Runoff Foi moisture Edel C MABIA FAQ 56 dual KC daily 2 Hep 17 45 Hard Data Approach 3 7 Define Catchment and Groundwater
26. ellers like implementing artificial recharge or changes in land use Before you start with the tutorial be advised to have downloaded the associated shape files Catchment shp Landuse shp Wellfields shp and the csv file InputData csv This tutorial refers to WEAP Version 3 001 Sep 2012 and LinkKitchen Version 1 00 Sep 2012 It is based on the WEAP MODFLOW Tutorial by BGR ACSAD 2009 and includes contributions by M Al Sibai Chapter 2 WEAP MODFLOW Tutorial 4 45 Introduction ALORA 4 55 04 gt 2 MODFLOW Model The MODFLOW model used in this tutorial was designed with the intention to make many planning options possible dams irrigation and to remain easy to understand It is a modification of the original GMS Tutorial model and in the following named Main River Basin 2 1 Model Area Main River Basin The Main River basin encompasses 783 square kilometres It is located in a semi arid climate with precipitation only in the winter months Most of this precipitation is lost by evapotranspiration The aquifer consists of fractured crystalline bedrock and alluvial fills in the valleys its saturated thickness varies between 35 m in the South to about 53 m in the North Groundwater flow is towards the spring the Main River and its 2 tributaries The spring represents the headflow of the Main river with an average monthly discharge of about 320 000 m In the north outside the model area the Main River finall
27. ge Width Wizard Repeat steps 1 3 for all other Rivers WEAP MODFLOW Tutorial 25 45 Hard Data Approach 3 10Send Linkage File Data to WEAP In the currently used approach you use the initial MODFLOW model inputs in WEAP rather than any of the WEAP built in models for calculating groundwater recharge The groundwater recharge retrieved from MODFLOW will be entered as input in WEAP instead Data View gt Supply and Resources gt Groundwater gt Natural Recharge As a second obligatory parameter you need to enter catchment areas in WEAP Data View gt Demand Sites and Catchments gt Landuse gt Area Both parameters are calculated by LinkKitchen and can be sent automatically to the correct input position in WEAP 3 10 1 Send catchment areas to WEAP Catchments areas are calculated by LinkKitchen and can be sent to WEAP by a single mouse click 1 Highlight the Catchments parent branch and click the WEAP button on the top toolbar p N Calculate WEAP data and send them directly to WEAP C MainLc C Mainte lg c west B c vainu c gast 2 Switch to WEAP and browse to Data View gt Demand Sites and Catchments Landuse gt Area Data for Current Accounts 2000 Manage Scenarios 2 Data Expressions Report Land Use Climate 1055 and Reuse fi Yield gt Water Quality pa ET eee rece If the area s units are not yet defined you need to select Enter the l
28. gt Below Main River Headflow Below West River Inflow Below East River Inflow i Below Spring Inflow B West River mm i Below West River Headflow East River 2221 Below East River Headflow El Spring i Below Spring Headflow Linkage Shapefile RechargeSPt 00 MODFLOW iS A I St Head L1 Recharge SP1 Recharge SP2 Recharge SP3 Recharge SP4 Recharge SP5 Recharge 5 6 Recharge SP7 Recharge SP8 Recharge SP9 Recharge SP10 Recharge SP11 m X 12804 Y 17219 7 4 Switch back to WEAP and load the file Recharge_SP1 jpg as a background raster layer to the Schematic it View Schematic General Advanced Help River 4 Diversion Reservoir Groundwater 5 V Other Supply Demand Site 1 Catchment 5 1 Transmission Link Wastewater Treatment Plant Return Flow V of River Hydro Flow Requirement Streamflow Gauge MF River trans modify 5 dr MF Domain trans modify 5f LIBI Linkage v Recharge SP3 Q WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Schematic View Licensed to Markus Huber geo tools Germany until September 12 2013 WEAP MODFLOW Tutorial 14 45 Hard Data Approach In the MODFLOW model five zones of different recharge are defined You will take these zones as blueprints for the delineation
29. h to water table of 25 to 36 m see figures below Starting Heads Depth to groundwater table DT Starting Heads 36 Es The Model has been built and run on transient state in order to cover two years of recharge variation It consists of 24 monthly stress periods which contain 3 equal time steps each The final balance see figure below units in m or m d shows that the model is almost balanced or close to steady state with recharge as the main inflow and river leakage as the main outflow fraction P budget 5f xt Editor zip x Datei Bearbeiten Format Ansicht 7 1 STORAGE 155684992 STORAGE CONSTANT HEAD CONSTANT HEAD DRAINS DRAINS RIVER LEAKAGE RIVER LEAKAGE RECHARGE 387105832 RECHARGE 0 0 835431 TOTAL IM 515790624 TOTAL IM 6651500 GUT 150023184 STORAGE 3145124 CONSTANT HEAD CRAINS adsQ85572 RIVER LEAKAGE RECHARGE STORAGE CONSTANT HEAD CRAINS RIVER LEAKAGE RECHARGE 248629 6989 10904 304 8 TOTAL OUT 515792708 TOTAL GUT 661310 IM OUT 2144 IM QUT 9 PERCENT DISCREPANCY PERCENT DISCREPANCY WEAP MODFLOW Tutorial 7 45 MODFLOW Model 3 Create and link a WEAP model based on MODFLOW data At the beginning you will create a new WEAP Area and design the Schematic for it The necessary tasks are Create a new WEAP area Set the area s spatial boundaries Load background layers Digitize 4 rivers Add
30. harge SP10 Recharge SP11 X 12924 Y 18645 Switch back to WEAP don t close LinkKitchen Right click into the Layer pane and select Add Vector Layer from the context menu Browse to your WEAP Area directory SHAPE and select the file MF Domain trans modify 5f drain shp This file was created at start up and represents the spatial boundary of the MODFLOW model You will use this file to define the area s boundaries Major Rivers B States Country Ocean Add Vector Layer Add Raster Layer Set Area Boundaries Remove all other layers Major Rivers States Country Ocean except MF Domain trans modify 5f drain shp Add Vector Layer Add Raster Layer Set Area Boundaries Major Rivers Edit Remove Set Label to WEAP MODFLOW Tutorial 11 45 Hard Data Approach How Requirement Right click into the Layer pane and select Set Area ele Seanina Gange Boundaries from the context menu Add Vector Layer Add Raster Layer Set Area Boundaries Edit Wimmer memes Draw the green rectangle the area boundary around the complete extent of the black rectangle the MODFLOW model s extent and confirm by click on OK WEAP MODFLOW Tutorial 12 45 Hard Data Approach IVY AE 3 4 Add Catchment and Groundwater Nodes to the Schematic
31. he selected River Reach Right click on an image to change nver parameters f necessary Flow Gradient 4 y 4 E wt sen P no i t a tw 8 2 2 4 4 v am PA T eo s cm gt m Sie T gt 5 F a AE n TN i gt gt gt S k gt gt PE S F 2 7 x G ee a B o ces LinkKitchen will produce a Flow Stage Width curve based on parameters stored with the image see the LinkKitchen manual for further details 3 Click the WEAP button to send the curve to WEAP and check the result Supply and Resources gt River gt Below Spring Headflow gt Reaches gt Physical gt Flow Stage Width Data for Current Accounts 2000 lt Manage Scenarios 2 Data Expressions Report Inflows and Outflows je Physical 22 Water Quality jf Cost Enter data relating river stage and width to flow Use Flow Stage Width Wizard To use values from upstream reach leave blank Only required if modeling non conservative constituents if linking Help to MODFLOW exceed Reach Below Spring Headflow FlowStagew idthCurve 0 40 4 2 14 0 56 0 5 2 22 0 737 0 6 2 32 0 33 0 7 2 44 1 141 0 8 2 57 1 371 0 9 2 72 1 521 1 2 88 1 894 1 1 3 08 2 132 1 2 3 28 2 518 3 3 proposed by LinkKitchen Note that the curve can be changed in WEAP using the Flow Sta
32. in the Linkage File Switch back to LinkKitchen and see how it reflects the changes you made in WEAP The Nodes you added to the Schematic are now visible in LinkKitchen s Branch Viewer During the following steps you will relate cells of the Linkage File to Catchments Groundwater Nodes and Rivers MainUpper ia C MainLower LGW East 1 DENM tGW MainCentral 1 GW_MainUpper CGW MainLower Rivers i Main River i Below Main River Headflow f Below West River Inflow Below East River Inflow West River HH Hn nnn CENERIRD DEDEO Below West River Headflow rs ad oa ayes HH CHEE Linkage Shapefile St_Head L1 Recharge SP4 Recharge SP1 Recharge SP5 Recharge SP2 Recharge SP6 Recharge SP3 Recharge SP7 X 15411 Y 15303 X7 As you have the recharge zones loaded in the background you will use these zones as stencils for selecting cells Use LinkKitchen s selection tools s LinkKitchen User Manual to select cells corresponding to recharge zones The thus selected cells are then attributed with the name of the catchment as defined in WEAP The procedure of attributing groundwater nodes is identical 1 Select all cells located in the green area C_Main Upper WEAP MODFLOW Tutorial 18 45 Hard Data Approach
33. inCentral Enter Expression ReadFromFile TimeSeries NaturalRecharge csv 2 calculated by LinkKitchen 21 09 2012 16 34 i MM Enter Expression ReadFromFile TimeSeriesNNaturalRecharge csv 4 MCM calculated by LinkKitchen 21 09 2012 16 34 e ees Bw MainLower Enter Expression ReadFromFile TimeSeries NaturalRecharge csv 1 calculated by LinkKitchen 21 09 2012 16 34 Million Runoff and Infiltration 1 Key Assumptions Hydrology Table Notes Other Assumptions Water Quality Natural Recharge monthly v GW MainLower GW MainUpper GW MainCentral iv Gw west Iv GW East SFOS WH ES OU o 0 WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Data View Licensed Markus Huber geo tools Germany until September 12 2013 WEAP MODFLOW Tutorial 27 45 Hard Data Approach 3 11Link WEAP and MODFLOW After having entered the required data in both the Linkage File and WEAP you are now ready to link both models This is done by e Loading the linkage shapefile to WEAP e Set up the linkage in WEAP Load the linkage shapefile to the WEAP schematic Add Vector Layer gt select the linkage file linkage shp a ee a VV WEAP DSS Tutori Area Edit View Schematic General Advanced Help v Diversion E Reservoir Groundwater 5 x Other Supply vi Demand Site Mai
34. ite onto the Schematic View and name it Irrigation 2 Drag and drop a transmission link from groundwater GW MainUpper to the new demand site Irrigation Edit View Schematic Generel Advanced A Irrigation West Main River Spring GW MainUpper C MainUpper 3 Enter the water abstraction for irrigation under Data Demand sites and catchments gt irrigation gt water use gt Annual water use The irrigation demand is 30 million m per year As water is needed only during the months of May and June the annual irrigation is fractioned with the percentage 4096 in May and 6096 in June This is entered at WEAP MODFLOW Tutorial 36 45 Common Tasks AL OF AR 504 2 4 Data Demand sites and catchments gt irrigation gt water use gt Monthly Variation Using the Monthly Time Series Wizard 4 As WEAP needs to know from which cells to abstract water from you need to update the Linkage File with that information It is assumed that water is abstracted from wells located all over the irrigated area Switch to LinkKitchen and highlight the Landuse Class C MainUpper Irrigated in the Branch Viewer 5 Click the Select Attributed Cells Button 6 Highlight Demand Site rrigation and click Add Attribute to Linkage File Now every cell located within the Landuse Class Irrigated supplies Demand Site rrigation 47 u Linkage File Pre
35. le as withdrawal but in the opposite direction The effects of withdrawal and artificial recharge are visualized in the Map Window and as 3D chart s images below left and bottom Image below right shows the annual flows as calculated by WEAP Transmission Link Flow Return Link Flow Million Cubic Meter PEINE a 1 WEAP MODFLOW Tutorial 44 45 Common Tasks 5 5 Climate Change The possible impacts of climate change on surface runoff groundwater levels and spring flow are at a simplistic glance on that complex subject driven by changes in the parameters precipitation and evaporation In order to visualize the impacts of climate change create a new scenario Climate Change and change the following parameters for every single catchment gt Growth 3 e Precipitation gt Growth 3 Run WEAP and browse to the result for groundwater storage The comparison of the two scenarios climate change and reference shows the effect of climate change on groundwater storage over time WEAP DSS Tutoria EX Area Edit View Favorites Advanced Help Table Map SY Groundwater Storage Million Cubic Meter fan Nodes 5 fal months 12 Monthly Average No comparison ClimateChange Reference t EA lt
36. nLower v Catchment 5 3p Runoff Infiltration 5 v Transmission Link vi Wastewater Treatment Plant Return Flow mm Run of River Hydro M Flow Requirement Streamflow Gauge ainLower Schematic eo River trans modify 5f dr MF Domain trans modify 5f 200 Recharge SP3 QC MainCentral West River X GW _MainCentral C West CEES Gw West E GW East Main River WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Schematic View Licensed to Markus Huber geo tools Germany until September 12 2013 From the top menu select Advanced gt MODFLOW Link gt MODFLOW Name File gt MODFLOWP trans modify 5f drain mfn WEAP MODFLOW Tutorial 28 45 Hard Data Approach WEAP DSS Tutori Area Edit View Schematic General Advanced Help Diversion Reservoir v Bi Groundwater 5 vi Other Supply Demand Site Catchment 5 Runoff Infiltration 5 Transmission Link vi Return Flow amp Wastewater Treatment Plant Link to MODFLOW MODFLOW File MODFLOw trans modify 5f drain mfn Choose shape file that has MODFLOW linkage information Time steps per year 12 Time step lengths Days 31 30 31 31 28 31 30 31 30 31 31 30 5 groundwater nodes 5 are linked to MODFLOW cells 5 catchments 5 are linked to MODFLOW cells 10 land use branches 5 a
37. not a problem Row 11 Column 21 Layer 1 Row 11 Column 21 Layer 1 Row 11 Column 21 Layer 1 Row 25 Column 29 Layer 1 Row 25 Column 29 Layer 1 Row 25 Column 29 Layer 1 Row 54 Column 43 Layer 1 Help Save every MODFLOW input and output file created for each time step required to view cell results af Close WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Schematic View Licensed to Markus Huber geo tools Germany until September 12 2013 Choose your linkage shapefile and assign the respective attribute fields for Row and Column Groundwater River Reach and Catchment this should be correct by default If you have not yet assigned river reaches because you opted for Method 2 in chapter 3 8 you should now click on Guess River Point Linkages and Guess Drain Cell Linkages Background Shape File with MODFLOW Linkage Information SHAPE Linkage shp MODFLOW Cell Row Field MF Row Catchment Name Field CATCHMENT MODFLOW Cell Column Field MF Col Land Use Name Field LANDUSE Groundwater Mame Field GROUNDWAT Demand Sites Name Fields 138 7730 02 River Reach Name Field RVERREAC Guess Groundwater Linkages Guess Demand Site Linkages Guess River Point Linkages Guess Drain Cell Linkages me Col ME RC carcuMENT LANDUSE GROUNDWAT RIVERREAC DEMANDI DEMAN 3 01 02 01 03 01 05 Un e La po He I i 1 1
38. o 1 3 Switch the irrigated Landuse Class to irrigated Demand Sites and Catchments gt C_MainUpper gt lrrigation gt lIrrigated 1 Data for ERE LandUse Climate Jf Irrigated Irrigation Fraction Pump Layer Enter 1 if area 15 irrigated 0 otherwise This value must be tl lE Manage Scenario Irrigation Range 0 to 1 C pper Irrigated 4 Run the model and evaluate the results in the results view E g Land class inflows and outflows You can see irrigation takeing place during the months May and June when ET is high and precipitation is low Although precipitation remains low during July and August there is no need to irrigate as the crops are already harvested WEAP MODFLOW Tutorial 38 45 Common Tasks 5 2 Changes in Land Use The purpose of this exercise is to investigate the impact of changes in land use on the groundwater recharge In order to emphasize the changes the total runtime of the model is extruded to 10 years General gt Years and time steps gt last year of scenarios 2009 Land use 2010 Land use 2000 h GW MainLower x MainLower E River C MainLower C MainLower MainRiver C_MainCentral m d eer ner ee C MainUpper 1 C Mainlpper 5 2 1 Urbanization Storyline Urban areas grow towards extending over the entire catchment areas of C East and C MainLower until 201
39. od 1 The procedure to assign river reaches to Linkage File cells is similar to the procedure to assign Catchments except that you start from Information you get from MODFLOW rather than from an overlay shapefile 1 In the MODFLOW Viewer browse to the Layer sDrain and click select The drain cells represent ng in WEAP MONE OW trance dra rial MODF OW trans modif Ji 99 ir Qm E d P 20004831 selected p Demand Sites Catchments B Rivers E Main River i Below Main River Headflow i Below West River Inflow i Below East River Inflow i Below Spring Inflow West River Below West River Headflow 5 East River i Below East River Headflow El Spring Below Spring Headflow Recharge SP20 Drain 5 5 11 Recharge SP21 Drain_Elev SP6 L1 Drain Elev SP7 L1 Drain Elev SP3L1 Drain Elev 5 13 L1 Drain Elev SP4 L1 Drain Elev SP14 L1 4 X 11333 11491 WEAP MODFLOW Tutorial 21 45 Hard Data Approach E G R i 5 2 968 4 LV 2 Highlight the River branch Below Spring Headflow in the Branches Viewer and click Add Attribute to Linkage File The two drain cells are now linked to the WEAP river reach Below Spring Headflow 3 Browse to the layer sRiver in the MODFLOW Viewer to select River cells 2 of 4831 selected i Below West River Inflow i Below East River Inflow t Below Spring Inflow E West
40. of WEAP Catchments and groundwater nodes 1 Dragand drop one Catchment and one Groundwater node for each recharge zone onto the schematic 2 Connect the Groundwater and Catchment nodes by infiltration links Catchment node name connection groundwater node name C_East infiltration link GW East C MainCentral infiltration link GW MainCentral C MainLower infiltration link GW C MainUpper infiltration link GW MainUpper C West infiltration link GW West NOTE It is good practice to add the prefix C before the catchment s name and the prefix GW before groundwater nodes in order to avoid getting confused by identical names of groundwater nodes catchments and demand sites 1 River 4 Diversion Reservoir _ vm mow MainLower Other Supply Demand Site Catchment 5 Runoff Infiltration 5 Transmission Link Wastewater Treatment Plant MI Return Flow ivi gm Run of River Hydro M Flow Requirement Streamflow Gauge II MF River trans modify 5f dr MF Domain trans modify 5f LIB Linkage iv EI Recharge SP3 lly WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Schematic View Licensed to Markus Huber geo tools Germany until September 12 2013 WEAP MODFLOW Tutorial 15 45 Hard Data Approach 3 5 Add Rivers to the Schematic 1 Add the file MF River trans modify 5f drain shp lo
41. ources Key Assumptions Water Quality Hydrology Other Assumptions SFO oO MH Be WEAP 3 3001 Area DSS Tutorial 2000 2001 monthly Data View Licensed to Markus Huber geo tools Germany until September 12 2013 WEAP MODFLOW Tutorial 33 45 Rainfall Runoff Model 4 3 Data input in WEAP Additional inputs at catchment level are precipitation and reference evapotranspiration ETref Crop coefficients Kc are entered at Landuse class level These inputs are read into WEAP using the ReadFromFile function The file from which to read data is named NPUT DATA csv Copy the file into the TimeSeries Folder in the WEAP area directory 4 3 1 Enter precipitation 1 In the Data View select C MainCentral and activate Climate gt Precipitation 2 Click on the arrow besides the data entry box and select the ReadFromFile Wizard Climate Loss and Reuse A Monthly Precipitation Demand Sites and Catchment 2000 MainCentral EU E Expression Builder Table 7 Monthly Time Series Wizard ReadFromFile Wizard 3 Open the file TimeSeries INPUT_DATA csv 4 In the lower pane select the data column Precipitation and click Finish WI ReadFromFile Wizard CSV File Name TimeSeries FAO METHOD INPUT DATA csv Mum Table Text Data Missing Oct 1999 Sep 2001 01999 Sep 2001 01999
42. re linked to MODFLOW cells View Edit Packages 7 river reaches 6 are linked to MODFLOW cells of River Hydro MODFLOW linkage file SHAPE Linkage shp Flow Requirement Streamflow Gauge MODFLOW 88 rows 70 columns 1 layers 6 160 total cells 4 831 active cells 1 329 inactive cells 0 constant head cells ivi MF River trans modify 5f Row width varies from 200 to 1823 6994118431 Meter MF Domain trans modify 5f Column width varies from 200 to 949 64087698681 Meter vE Linkage Active cells linked to WEAP groundwater node All are linked l icta Active cells linked to WEAP Land Use Branches All are linked Confining beds 0 Time unit Day Length unit Meter Stress periods 24 NOTE Only one stress period will be used Stress period length 31 Days Time steps per stress period 3 WARNING No well file specified in name file Recharge file name trans modify 5f drain rch River Reach cells defined in River file trans modify 5f drain riv 205 River Reach cells linked to WEAP River Reach All are linked NOTE 7 duplicate River Reach cells this is not a problem see below for list Drain cells defined in Drain file trans modify 5f drain drn 2 Drain cells linked to WEAP River Reach All are linked Stress period is transient Flow package LPF Value for inactive cells 999 Value for dry cells 888 NOTE 7 duplicate River Reach cells this is
43. s View Infiltration Runoff Flow Runoff Infiltration from C MainLower to GW MainLower Aug 2001 0 00 Million Cubic Meter WEAP MODFLOW Tutorial 35 45 Rainfall Runoff Model 5 Common tasks The following part of this tutorial will give you some workarounds for dealing with common modeling challenges It does make no claim to be complete nor does it pretend to show the one and only solution for any of the problems presented But you might use some of the shown approaches as the starting point for your own modeling work The descriptions hereafter are reduced to the basic implementations and parameter setting If you want to visualize the impacts of each task on the system you should apply the changes on scenarios and compare the results with the reference 5 1 Abstraction for irrigation There are multiple ways to introduce irrigation abstraction The two most commonly applied ways are 1 Define a Demand Site and enter the abstracted water directly 2 Let WEAP calculate irrigation demand based on climate and crop parameters For the former there is no need to care about the climate or what types of crop are grown This method is easier to implement but very inflexible when it comes to build scenarios The later requires more data to enter but gives better performance for future planning The following chapters will show both approaches 5 1 1 Addirrigation abstraction by demand site 1 Drag and drop a new demand s
44. sks NY AE 2 Increase the surface runoff fraction from 5096 in the year 2000 to 10096 in 2009 and reduce the fraction for groundwater recharge accordingly Supply and Resources gt Runoff and Infiltration gt from C MainLower gt Runoff Fraction Supply and Resources gt Runoff and Infiltration gt from C E ast Runoff Fraction To interpolate the yearly fractions use the functions nterp 2009 100 and Remainder 100 Runoff Fraction monthly 100 i to GW MainLower 95 to Catchment Inflow Node 5 90 85 Runoff Fraction Percent of outflow to each destination Only required if using Simplified Coefficient Methe Wizard Range 0 to 100 Default 100 80 75 70 from C_MainLower 2000 2001 2009 Scale Unit 65 to Gw MainLower 50 Remainder 100 Percent share to Catchment Inflow Node 5 T 50 Interp 2009 1 00 Percent share 55 50 96 share 45 40 35 30 25 20 Oct Feb Jun Oct Feb Jun Oct Feb Jun Oct Feb Jun Oct Feb Jun Oct Feb Jun Oct Feb Jun Oct Feb Jun Oct Feb Jun Oct Feb Jun 1999 2000 2000 2000 2001 2001 2001 2002 2002 2002 2003 2003 2003 2004 2004 2004 2005 2005 2005 2006 2006 2006 2007 2007 2007 2008 2008 2008 2009 2009 5 2 2 Irrigation growth Land use class unirrigated is changed to be irrigated from the year 2001 onward 1 Add transmission links from the groundwater to the catchment for the catchments C MainUpper C MainCentral and C We
45. st 2 Within these catchments set the land use classes unirrigated and irrigated to be irrigated 1 3 Define an irrigation fraction of 75 overirrigation 4 Run the model and browse the results WEAP MODFLOW Tutorial 40 45 Common Tasks 5 3 Domestic water supply from well fields In this chapter you will introduce two domestic demand sites City1 amp City2 which are supplied by local well fields You need to make entries in both WEAP and the Linkage File for this to work 1 Dragand drop two Demand Sites City 1 and City 2 onto the Schematic Add a Transmission link from GW MainUpper to City 1 and another transmission link from GW MainLower to City 2 3 Setthe Annual Water Use Rate for both Cities to 20 Million m Set the Consumption to 100 Demand Sites and Catchments gt Water Use Consumption 5 Switch to LinkKitchen and load the overlay layer Wellfields shp which indicates the location of the two wellfields 0 of 4831 selected iB Linkage Shapefile Recharge 5 1 MODFLOW 5 E LF St Head L1 Recharge SP6 Recharge SP1 Recharge SP7 Recharge SP2 Recharge SP8 Recharge SP3 Recharge 5 9 Recharge SP4 Recharge SP10 Recharge SP5 Recharge SP11 911 Y 18119 6 Select all cells of the top wellfields first and assign City 2 to the selected cells Repeat the step with the second wellfield The preview should look like Linkage File Preview DemandSite B co Bl city 1 No val
46. ue 4818 7 Save the Linkage File and reload it WEAP MODFLOW Tutorial 41 45 Common Tasks into WEAP if necessary 8 Run WEAP and browse for Cell Head results Map View The result shows a significant cone of depression around the cells you defined as Demand Site City2 AL L 0 a e HE EE L Li BN J 1 WEAP MODFLOW Tutorial 42 45 Common Tasks 5 4 Artificial groundwater recharge Modelling artificial recharge e g injection wells is similar to modelling abstraction The only difference is that water is not consumed by the demand site but returned to a groundwater node The location of the injection is defined by the demand attribute in the Linkage File 1 Adda Demand Site Artificial Recharge to the Schematic and set Annual Water Use Rate to 20 Million m set Consumption to 0 2 Adda Transmission link from Main River to the new Demand Site and a Return Flow Link from the Demand Site to groundwater GW MainLower GW MainLower C City West River ArtificialRecharge East River T ss C_MainCent Sy GW Me 3 Switch to
47. view DemandSite E 3 E oi 1 f irrigation Catchments No value 4311 E C MainCentral unirigated C East unimigated urban BC Wes i i i forest s 111 un PH DES BH unimigated E C Main Upper H MODFLOW D m m St Head L1 Recharge SP6 Recharge SP7 Recharge SP8 Recharge SP9 Recharge SP10 Recharge SP5 Recharge SP11 X 15776 Y 25257 5 7 Save the Linkage File to disc and go back to WEAP 8 Re load the Linkage File if necessary and run WEAP Browse the results 5 1 2 Add irrigation abstraction to Landuse Class Modelling irrigation demand by a WEAP internal model requires a connection from groundwater to the catchment Further specifications like from which cells to withdraw water and on which cells to apply water are defined in the Linkage File The water demand is controlled by the crop parameter Kc and by the climate parameters precipitation and ET WEAP will calculate water demand if the plant evapotranspiration is higher than precipitation WEAP MODFLOW Tutorial 37 45 Common Tasks 1 Drag and drop a transmission link from GW MainUpper to C MainUpper Spring GW MainUpper C MainU pper 2 Set the demand priority t
48. y drains into a reservoir lake with a constant water level of 304 8 m a s l The topography gradually decreases from South 353 5 1 to North 335 5 1 Elevation dem Value High 353 331146 Low 334 447601 WEAP MODFLOW Tutorial 5 45 MODFLOW Model XOU B G n omg LV 2 2 Mathematical Model GRID The model consists of one layer 1 unconfined aquifer 60 80m layer thickness 35m 50m saturated thickness with 88x70 cells The cell sizes vary in width and height between 200 m to 1200 m see figure below Model Boundaries amp Stresses Specified head 304 8 m BOUNDARY CONDITIONS Specified Head boundary in the North Reservoir Lake level All other boundaries are No Flow boundaries see figure above HYDRAULIC CONDUCTIVITY The 4 hydraulic conductivity zones for the model are shown in the figure below The hydraulic conductivity of the aquifer varies between 100 m day along the river valley to 40 m day towards the basin boundary 0 0 0015 m d 0 0 003 m d 0 0 0011 m d WEAP MODFLOW Tutorial 6 45 MODFLOW Model RECHARGE 5 different recharge zones have been defined The values in the zones ranging from O to 0 0015 m d see figure above ADDITIONAL PACKAGES The spring was modelled as 2 DRAIN cells pink in the figure above and the rivers as RIVER cells blue in the figures above INITIAL HEAD The initial head ranges from 306 327 m a s l resulting in a dept
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