Home

User Manual

Contents

1. 1 KB omer ver WER File Lal Flexlrn CJ bmtools MSOCache ol Program Files G SUPPORT Cool VALUEADD APSCache File aad gE eU GA kB BOOTLOG PRV a4 s PRY Fie ZSS g aa a f DAEAR Ke B File structure The file structure is shown in Fig 5 MyProject Ek File Edit View Favorites Tools Help a Back 7 wi ra Search Ke Folders Gi Address C MyProject Ej co Gad Output Details v Data all the input datasets EPIC0509 executive file all EPIC related files annual output file for specific year Input back up of input information Output location for output maps Figure 5 The file structure of GEPIC Major files in the folder EPIC0509 include e GEPIC Executive file GEPIC1 0 mxd e EPIC related files EPIC executive file EP CO509 exe EPIC code EPIC0509 for Most detailed EPIC output file out All other EPIC input and output files e Text input file nput tx e Annual output for specific year e g 2000 txt File structure is demonstrated in the schematic representation of the integration of EPIC with GIS shown in the following chart Soil databas Meteorological End of Grid Simulation Input Data Translation Module Text Output files ET Y CWP Output Data Translation Module Text Input Files EPIC Output Files EPIC Input Files EPIC0509 Figure 6 File structure in the schematic repres
2. C Daily weather file location Monthly weather file location Precipitation C MyProject DATA Switzerland Climate Monthlyipreiland 00 i To Ci MyProject DATA Switzerland Climate Monthly tme Land 00 un C MyProject DATA Switzerland Climate Monthly tmniLand Wet days C MyProjectiDATA Switzerland Climate Monthiy wet land 00000 lt E zl Favorites Index Sea 4 gt f o ou al TE Dawngy Roe Or Avy ce I Arial 7 10 fell BE ee ae ew 8 Figure 24 Complete the Options form Close the Options form Step 4 Writing your input data At this stage you need to write all your input data The third toolbar called the Write All Inout Data placing your cursor on this button will reveal its name is needed for this purpose Click on the Write All Input Data tool to write and save all your input data Now the input data are saved to the text input file input txt 26 GEPIC_ 1 0 ArcMap ArcInfo Q ae ee am k oh ve i Spatial nalyst Y File Edit View Insert Selection Tools Window Input Simulation Output Help D gug B 13603615 8 amp OO editor x GEPIC ysis Tools Be Cartography Tools BF Conversion Tools Save Input Data BF Linear Referencing To BF Network Analyst Tools Samples BF Spatial Analyst Tools ay Spatial Statistics Tools ex J Sead ojjan en al fo so a z u We Zer 706532 18 5455731 6 Unknown Units Figure 25 Save input da
3. If sVariable Ann_ET Then sMapName aet CStr j _ TextBox3 Text add 3 If sVariable Ann_ET Then sMapName aet CStr j add 4 Step 4 Go to GEPIC gt Modules gt CreateMaps add the follows Dim Ann_ET 0 To 1000 0 To 1000 As Long Ann_ET intCol TotCellNum intRow TotCellNum CLng E 1 If Content Ann EI Then vSafeArray i j CLng Ann_ET i j End lf 6 3 How to install and use Hawths Analysis Tool in ArcGIS To install the Hawths Analysis Tool in your computer you need to first download it from http Awww spatialecology com htools download php and then install it After the installation you should find an extension called Hawths Analysis Tools in ArcGIS ArcGIS gt Tools gt Extensions Make sure this extension is selected The Hawths Analysis Tool dropdown menu should now appear on your ArcGIS standard toolbar Otherwise go to View gt Toolbars and select Hawth s Tools GEPIOIG Aitbinp Ariss File pdi Wes met Selection Tools Widow Input Simulation OGutpet Help E TACE EHE E kOz S 0gp Fog A D H amp B T 2 A EQO piaga ye fe ME ie HeettatTook i fa e lal w Anabi oot a g airt Eg Arc Toolbox Eal la e ID Anahat Tools Value H Anatypcs Tests z Hizi Ee Cartography Toole E Clip Raste i i Cenmetraen Tots ri Chip Pacts Bs L wi a Gi Data Intercperabaity Tool EM Clip es arith dab Sener ri T a E er Ede 1 hae Cate Comearise amp
4. e Soil p7 e Land use Irrigation Land use _ DEM i s Management Site specific outputs Grid base output maps e Yield Crop yield a ET ie CWP m CWP Figure 1 General idea of the GEPIC model The general idea of the GEPIC model is expressed in Fig 1 The EPIC model can simulate site specific processes such as crop growth hydrological cycle N cycle C cycle climate change etc By integrating EPIC with a GIS the GEPIC model treats each grid cell as a site and it simulates the above processes for all predefined grid cells with any spatial resolution A loose coupling approach is used to integrate EPIC with a GIS This approach relies on transfer of data files between GIS and simulation models With this approach the GEPIC interface abstracts most required data from GIS raster maps edits them to the EPIC required data format These formatted data are transferred to the EPIC model The simulation results of the EPIC model are transferred to the GEPIC interface to generate output maps The steps of the development of the GEPIC model are illustrated in Fig 2 Input data are first added into GEPIC in terms of GIS raster datasets Then an input data translation module reads and writes input information to a text input file input txt This text input file is then used to generate specific EPIC input files with the help of a UTIL program Universal Text Integ
5. E N 2 PPDY EA EE AE TA IEA ERA AA EENAA ANE AE EE E T 2 Ee Pel VG Ie eI Cle SAUL UN ae A 3 Sie FP ARO WOU a aie des ettrreadeatadaeh N E E 3 iT ES UIC WIE E A A E A E E T A E Tetons asietiaieiece AA E 5 PUY OMOLI O aor a E N he teeter 8 4 MOSt important mp t Calas erstecvalesdidect annie alerdcephaieiues adidant tense blends E aa aaaiwaateceies 8 4 2 POUMACOl Input leS essei eT EE E 8 AS Formator OULDUL TICS aaa a atess edsant eet Medea eden eane enone 11 4 4 How to read output variables from the annual output files oo ee cccccccceecceeseeeeeeeeeeeeeees 14 CCP Bb SEPO UE Cid ual arene ee mentee RTE Se Te te A a a ee en OT 15 Pimple ONIN PART CT er RO Ret OO OMT re RR Cee Pre MIC eT ee ee Ter 15 ACV danced KNOW led ee and TUNG ONS seriaro aa ar EEE TEENE OE ENE EE 36 Gul OW add ay crop in GEPI erein R A R tbe uct 36 6 2 How to add an output variable for map generation in GEPIC sssseeessssssssseresssssssssserrsssssees 36 6 3 How to install and use Hawths Analysis Tool in ArcGIS cecccccccccnssseseeeececeeeeaaeeeseeeeeees 37 LE UDIUCAUONS related tOvG EPIC cero e E E E mesealias 39 1 Overview GEPIC is a GlS based agroecosytem model integrating a bio physical EPIC model Environmental Policy Integrated Climate with a Geographic Information System GIS The GEPIC model can be used to simulate the spatial and temporal dynamics of the major processes of the soil crop atmosphere management system The first version of the GEPIC m
6. Net mineralization in kg ha Denitrification in kg ha N fixation in kg ha N mineralization from humus in kg ha Nitrificaiton in kg ha Volatilization in kg ha N loss in drainage system in kg ha P loss with sediment in kg ha MY 56 MY 57 MY 58 MY 59 MY 60 MY 61 P mineralization in kg ha P leached in kg ha Enrichment ratio N fertilizer organic form in kg ha N fertilizer NO3 form in kg ha N fertilizer NH3 form in kg ha 62 P fertilizer organic form in kg ha 63 SMY SMY P fertilizer mineral form in kg ha YLPG YLKG K content of crop yield in kg ha SMY 77 Organic C loss with sediment in kg ha OMY 4 P content of crop yield in kg ha 4 Precipitation in mm MY 17 Percolation in mm MY 14 Runoff in mm MY 5 MY 6 Snowmelt in water equivalent in mm MY 10 12 MY 13 MY Snowfall water equivalent in mm Potential ET in mm 10 12 Potential plant transpiration in mm 13 Actual plant transpiration in mm 13 V57 SMY 16 Lateral subsurface flow in mm V58 SMY 18 Drainage system flow in mm V59 SMY 15 V60 SMY 20 External inflow to maintain water table in mm V61 SWGS Root zone soil water in mm V62 SMY 68 Soil water in top 10 mm of soil in mm SCS curve number 4 4 How to read output variables from the annual output files Step 1 Open an annual output file
7. SL mo en arene Datasets DEM Raster Dataset r Slope Raster Dataset gt r Country amp GEPIC Dataset Location C myproject DATA Switzerlandil Dataset Location C myprojectiDATA Switzerlandis Dataset Location C myproject DATA Switzerlandic Dataset Name swiss_dem30_ Landuse Raster Dataset Dataset Location C myproject DATA SwitzerlandiL swiss_irwt_ Dataset Name Reset Add to Layers Fertilizer Raster Dataset Dataset Location C myproject DATA Switzerland f whtferti_1 Dataset Name Dataset Name swiss_sipe_ Reset Add to Layers Soil Raster Dataset Dataset Location C myprojectiDATA Switzerlandie swiss_soil_ Annual Irrigation Dapth Dataset Location C myproject DATA SwitzerlandiI max_irr_2000 Dataset Name Dataset Name Dataset Name swiss_count_ Reset Add to Layers Climate Raster Dataset Dataset Location C myproject DATA Switzerlandic swiss_climn_ Reset Add to Layers Dataset Name Reset Add to Layers No Data Reset Add to Layers Display Selection Favorites Index Sea 4 gt ao eu K gt AlO A IfA Aria jho zF Be zZz u Av amp w r ee Drawing Y k 1012495 94 10018754 17 Unknown Units Figure 17 Input datasets for this example Close the Set nout Data form Step 3 Set Simulation Options Click on the next tab Options tab on the GEPIC too
8. Step 3 Select folder to save maps C One specific year Average of multi years Multi years Folder Name Multi years From 2000 To 2001 Select Set a new folder Step 4 Map Generation Error Check toptional gt Generate Maps Display Source Selection Favorites Index Se Drawing A A 0 Arial 0 F BZU A v v ow C MyProject Output my output 1220187 41 3912197 36 Unknown Units Figure 28 Map generation form A Open Map Generation form Click on the Map Generation button the Map Generation form opens Fig 30 B Select variables You can select any variables for map generation by clicking on each variable in the All Variables column and using the directional arrow to send it into the Variables for Map Generation column You can also deselect any of the variables in the Variables for Map Generation column by clicking on it and using the directional arrow to send it to the All Variables list The following variables are included in the All Variables list e Yield crop dry yield in kg ha e CWP crop water productivity CWP yield ET in kg m e HI Harvest Index e Biomass biomass generation in kg ha e Annual ET annual evapotranspiration in mm 29 e Irrigation irrigation water requirement of crop in mm e Nitrogen application rates in kg ha e N_ soil nitrogen in soil in kg ha e Biomass in kg ha e Yield crop dry yield in kg ha When you need to generate maps for other variabl
9. cies ranspiration 3D Analyst To tigation Analysis Tools HI Cartography Te Nitrogen By Conversion Tod D gt Data Interoper Kter on Br Data Managem ated Geocoding Too Generating Maps E7 Geostatistical 4 iy Linear Referen Network Analys Samples Spatial Analyst Spatial Statistic 671 of 719 93 3240611961057 C One specific year gt Multi years utputiSwiss_irr_ From an To eee Select Set a new folder Step 4 Map Generation Error Check optional gt DataPre process 9 gt Generate Maps lt gt Source i Favorites Index Se gt Drawing A I O7 Ae X Aria apo a Bz uA amp fr sv Figure 30 Map generation Wait until all the maps are generated Close the Map Generation form F Add output maps in ArcGIS Click on the Add Data tool in ArcMap navigate to Output folder then to the Swiss_irr_wht folder where your map was saved Click on yd2000 31 GEPIC_ 1 0 ArcMap ArcInfo QQ rx EWE k i e r Spatial Analyst 20h F eo Pras File Edit View Insert Selection Tools Window Input Simulation Output Help D s aga amp 1 196 023 833 if O Editor v x 3 ArcToolbox S 3D Analyst Tools Analysis Tools De Cartography Tools Add Data Be Conversion Tools Data Interoperability E st GEPIC Be Data Management Tq aS DP Geocoding Tools Name y
10. dat iops 1 amp 44 crop code in crop txt file Close 1 SOPSC toma opc End If Above ADD THE CROPS YOU PLAN TO SIMULATE If InputTextFileForm ComboBox2 tomato Then If iCropCode lt gt 44 Then crop code in crop txt file iCropCode 44 Print FilNum util run epicrun dat iops 1 amp 44 crop code in crop txt file End If End If Note its necessary to copy TOMA opc OPSCCOM DAT and CROP TXT to the EPIC0509 folder where you plan to run the program 6 2 How to add an output variable for map generation in GEPIC The following texts show the steps to add the variable ET for map generation When you plan to add a different variable you need to follow the same steps but should change the places with pink colour In the following example Ann_ET is the text shown in the Map Generation Form Fig 28 All variables text box aet is the variable code see 4 3 Format of output files Step 1 The output variable has to be included in the annual output files e g 1995 txt 1996 txt etc If not users have to edit EPIC0509 FOR file to generate this variable in the annual output files Step 2 Go to GEPIC gt Modules gt OpenMapGenFormMod add Additem Ann ET Step 3 Go to GEPIC gt Forms gt MapGenForm Click button Generate Maps add the follows If sVariable Ann_ET Then sMapName aet CStr j _ TextBox3 Text Add 1 If sVariable Ann _ET Then sMapName aet CStr j 36 Add 2
11. detaded memuacacer for user amp Feoture Batch Project Web Help o fw e x Procenro data typa Conmvennon Figure 38 Error message from the Hawths tool Note In case of an error messages different from the one shown above restart the procedure and check the file name you gave for your new raster dataset Make sure the file name does not exceed 13 characters 38 7 Publications related to GEPIC Peer reviewed Journal Publications 1 Other 10 11 12 Liu J Jimmy R Williams Zehnder A J B Yang H 2007 GEPIC modelling wheat yield and crop water productivity with high resolution on a global scale Agricultural Systems 94 2 pp 478 493 Liu J Wiberg D Zehnder A J B Yang H 2007 Modelling the role of irrigation in winter wheat yield and crop water productivity in China Irrigation Science 26 1 pp 21 33 Liu J Zehnder A J B Yang H 2008 Drops for crops modelling crop water productivity on a global scale Global NEST Journal 10 3 295 300 Liu J Williams J R Wang X Yang H 2009 Using MODAWEC to generate daily weather data for the EPIC model Environmental Modelling amp Software 24 5 655 664 Liu J 2009 A GlS based tool for modelling large scale crop water relations Environmental Modelling amp Software 24 411 422 Liu J Fritz S van Wesenbeeck C F A Fuchs M Obersteiner M Yang H 2008 A spatial explicit assessment of current and future hotspots
12. entire world define the boundary of the simulation area in the Landuse Raster Dataset in the Input dataset form You should only define the land use for the spatial extent of the area you are interested in Then select World in the Select Country field GEPIC will run the simulation for only the spatial extent covered by the Landuse Raster Data set you specified B Set the simulation spatial resolution In this case our grid size is 0 5 degrees C Select wheat in the Select crop field D Set simulation period You need to set warm up period e g 3 years before actual simulations begin The GEPIC model generally creates unreliable results in the first few years This setting of warm up period aims at minimising the possibility of errors at the start of the simulation Type 3 in the Warm up years field 21 To simulate for 2000 and 2001 type 2 in the Simulations years field Note Your climate data must cover the simulation period So the starting simulation year should be 1997 In this example the warm up period include 1997 1998 and 1999 E Set up soil parameter files The soil parameter files for all the grid cells are saved in the EP CSoilWise folder To select the location of these files click on Reset as before Open C MyProject DATA Switzerlana Soil Then click on EpicSoil Wise and on ok to select it GEPIC_ 1 0 ArcMap Arcinfo I IRKA h 3 k oh Bt i Spatial Analyst amp O Y g amp S Fad Fi
13. in Excel Step 2 Add an additional row at the beginning of the file Step 3 In the first line of the Excel file add column code 1 2 62 Step 4 Find output variables with these codes and the code above V1 V2 V62 Step 5 Read your target output variables e g Annual ET V9 T V56 Seasonal ET V5 Reference ET V54 14 5 Step by step to use GEPIC Example Assuming you would like to simulate crop yield of irrigated wheat in Switzerland on a 0 5 resolution in 2000 and 2001 You need to prepare the following raster datasets Land use map crop distribution map for wheat in Switzerland Soil code map Climate code data Slope map Digital Elevation Model DEM map Country code map Annual irrigation depth for wheat Fertiliser application rate for wheat Make sure that e All the above datasets have the same spatial resolution as that specified for your simulation Users need to specify the simulation resolution in the Options window for GEPIC e All the above datasets should have the data type of LONG When your raw data are not with this data type you need to convert to this type by using Hawths Analysis Tools e When you do not have irrigation data select the No Data Check Box The model will assume sufficient irrigation for the grid cells under irrigated systems The above datasets have been prepared in the DATA folder for demonstration Please follow the steps for using the GEPIC model Step 1 Op
14. installed on the same machine In this case ArcInfo has to be removed before GEPIC can be used properly How to start the GEPIC model Open C MyProject EPIC0509 folder Suppose you copy the folder MyProject to C driver and locate the file GEP IC1 0 mxd Now you are starting the GEPIC model Create a shortcut for this file on your desktop for later uses The core of the simulation is the EPIC model hence a basic knowledge about the EPIC model is needed The nature and format of the EPIC required input output and system files as well as how to edit these files and or create your own files have been described in details in the EPIC User Manual A MOnthly to DAily WEather Convertor MODAWEC has been developed to support GEPIC and help users to create daily weather data based on monthly weather data When applying the MODAWEC model please first study the MODAWEC User Manual GEPIC only accepts raster datasets with data type of LONG signed 32 bit as input When your raw raster datasets are not in this format a Hawths Analysis Tool for GIS is frequently used to convert them to the LONG type The Hawths Analysis Tool is a GIS extension As to the installation and use of the Hawths Analysis Tool for GIS please refer to 6 3 How to install and use Hawths Analysis Tool in ArcGIS 3 Framework and file structure 3 1 Framework prrrrereetttnneneeereneentnntnneneneene enen Input maps and data Site specific oe Climate Climate So
15. like Fig 33 if you zoom it sufficiently 32 amp GEPIC_ 1 0 ArcMap Arcinto ORORTETRVE K konga Spatial Analyst Layer yd2000 Jem Zooe gle P File Edit View Insert Selection Tools Window Input Simulation Output Help oes xX om lise ie oO ctor pe B task JE o0 ArcToolbox BY 3D Analyst Tools 3 Analysis Tools pe Cartography Tools a Conversion Tools BY Data Interoperability 1 i Data Management Toc ab Geocoding Tools ab Geostatistical Analyst ab Linear Referencing To ab Network Analyst Tools ab Samples ab Spatial Analyst Tools ab Spatial Statistics Tools lt gt Index Sea gt nlna gt Drawing kh e I Arial fio B Z U 7 v v v Display Source Selection Favorites 1016753 41 5016649 24 Unknown Units Figure 33 Zoom in the output data The map displays the yield of irrigated wheat in Switzerland with a spatial resolution of 0 5 arc degrees approximately 50 x 50 km nearby the equator Using the Add Data tool on the ArcGIS toolbar navigate to the Country folder in the DATA folder and add map of switzerland switzerland shp Remove the Fill colour of the Switzerland shapefile Your data view should look somewhat like this S GEPIC_ 1 0 ArcMap Arcinto EJ QJQruM eens Bok OMe SG Spatial Analyst Layer yd2000 ET SEERE EEA Fie Edit wiew Insert Selection Tools Window Inpu
16. of hunger in Sub saharan Africa in the context of global change Global and Planetary Change 64 3 4 222 235 Publications Liu J Yang H 2008 The impacts of global climate change on irrigation water requirement of wheat in China In Proceedings of the 13th IWRA World Water Congress Montpellier France 1 4 September 2008 Liu J 2007 Modelling global water and food relations development and application of a GlS based EPIC model PhD Thesis DISS ETH NO 17069 Swiss Federal Institute of Technology Zurich Zurich Switzerland Liu J Yang H Zehnder A J B 2007 Simulation of crop water relations on large scales with high spatial resolutions In van Bers C Petry D Pahl Wosil C Eds Global Assessments Bridging Scales and Linking to Policy GWSP issues in global water systems research No 2 44 48 The Global Waster System Project Bonn Germany Liu J Zehnder A J B Yang H 2007 Drops for crops modelling crop water productivity on a global scale pp A835 842 In Lekkas T D ed Proceedings of the 10th International Conference on Environmental Science and Technology Kos Island Greece 5 7 September 2007 ISSN 978 960 7475 40 4 Liu J Zehnder A J B Yang H 2006 Global crop water productivity simulation for wheat an application of the GEPIC model pp 13 14 In World Congress Agricultural Engineering for a Better World The proceedings of the 2006 World Congress Bonn Germany 03 07 September 200
17. the Add to Layers button to add and display the raster data in ArcGIS GEPIC_ 1 0 ArcMap Arcinfo QANTAS Gh Om 5B File Edit View Insert Selection Tools Window Input Simulation Output Help Spatial Analyst oo ZUG E A D gug l Input Datasets DEM Raster Dataset Slope Raster Dataset Country A lt GEPIC Dataset Location C myproject DATA Switzerlandil Dataset Location C myproject DATA Switzerlandis Dataset Location CiimyprojectiDATA Switzerlandie Dataset Name swiss dem30 Dataset Name swiss_sipe_ Dataset Name swiss count Reset Add to Layers Reset Add to Layers Reset Add to Layers Landuse Raster Dataset Soil Raster Dataset Climate Raster Dataset Dataset Location C myproject DATA SwitzerlandiL Dataset Location C myproject DATA Switzerlandis Dataset Location Ciimyproject DATA Switzerlandie Dataset Name swiss irwt Dataset Name swiss soil Dataset Name swiss clim Reset Add to Layers Reset Add to Layers Reset Add to Layers Fertilizer Raster Dataset Annual Irrigation Dapth Dataset Location C myproject DATA Switzerland f Dataset Location C myproject DATA Switzerland I whtferti_1 z Dataset Name Dataset Name max irr 2000 Reset Add to Layers No Data Reset Add to Layers lt B Display Selection Favorites Index Sea 4 gt Djen gt Drawing A a O7 Avr Z Aia p Be ul Ax amp sr s 960573 07 1001
18. 00 Reset Add to Layers No Data Reset Add to Layers lt a Display Source Selection Favorites Index Sea 4 gt aolieu gt Drawing A Ci A I Arial Hjo Be ul Avy amp br tr 1012495 94 10018754 17 Unknown Units Figure 16 Select DEM dataset B Slope Raster Dataset Step 1 Click on the Reset tab Step 2 Navigate to C MyProject DATA Switzerlana Slope Click on swiss_sipe_ Step 3 Click on Select to select this raster C Country Dataset Location C GEPIC DAT A Switzerland Country Dataset Name swiss_count_ D Landuse Raster Dataset Dataset Location C GEPIC DAT A Swiizerland Landuse Dataset Name swiss_irwt_ E Soil Raster Dataset Dataset Location C GEPIC DATA Switzerland Soil Dataset Name swiss_soil_ F Climate Raster Dataset Dataset Location C GEPIC DAT A Switzerland Climate Dataset Name swiss_clim_ G Fertiliser Raster Dataset Dataset Location C GEPIC DAT A Switzerland fertiliser Dataset Name whtferti_ 1 H Annual Irrigation Depth Dataset Location C GEPIC DATA Switzerland Irrigation Dataset Name max_irr_2000 19 Leave the No Data box unchecked Make sure the form looks exactly like the following one GEPIC_ 1 0 ArcMap Arcinfo yK KA AK Ky MBEID Nk MS amp F spatial Analyst liasa ae Z 0 Ble orx r File Edit View Insert Selection Tools Window Input Simulation Output Help Write All Input Data De S i coe
19. 6 ISBN 3 18 091958 en H Liu J Zehnder A 2005 Optimiertes Wassermanagement in der weltweiten Nahrungsmittelproduktion Eawag Jahresbericht 2005 30 Papers under Review 13 14 Liu J Zehnder A J B Yang H 2009 Global consumptive water use for crop production the importance of green water and virtual water Submitted to Water Resources Research Liu J Yang H 2009 Spatially explicit assessment of global green and blue water uses in cropland Submitted to Journal of Hydrology 39
20. 8754 17 Unknown Units Figure 15 Input Dataset form You will set the following raster datasets as input A DEM Raster Dataset Step 1 Click on the Reset tab Step 2 Navigate to the location of the GEPIC C MyProject Open folders as follows C MyProject DA TA Switzerlana DEM Click on the raster swiss_dem30_I step 3 Click on Select to select this raster You will now repeat this process for all the other raster datasets 18 GEPIC_ 1 0 ArcMap ArcInfo Q ASKE a i kO 2S amp Spatial Analyst ABRE E E RAT File Edit View Insert Selection Tools Window Input Simulation Output Help r EET rer ee co eT yy re Input Datasets x DEM Raster Dataset Slope Raster Dataset Country lt GEPIC Dataset Location C myproject DATA Switzerlandil Dataset Location C myproject DATA Switzerlandis Dataset Location C myproject DATA Switzerland c Dataset Name swiss_dem30_ a ar swiss_count_ Select DEM Dataset Look in Dem 30 X z4 eer a TE all E mel mice Ht swiss_dem3o_ 22 swiss_dem_30 bnd Landuse Raster Dataset E swiss dem 30 sta er Dataset Dataset Location C myproject DATA 22 swiss_dem_30 vat ion C myproject DATA Switzerlandic Dataset Name swiss_irwt_ P swiss_clirn_ Reset Add to m Add to Layers Fertilizer Raster Dataset swiss_dem30_ Select Dataset Location C myprojectipaTal URE Datasets and Layers lyr 7 Cancel Dataset Name whtferti_1 Dataset Name max irr _20
21. 9903 15_5283370 11 Unknown Units Figure 23 Select folder to set monthly precipitation data e Monthly maximum temperature files click on the Reset tab Navigate to C MyProject DATA Switzerlana Climate again and in the Monthly folder click on the arrow beside the folder tmx Click on Land and then ok to select it Click on ok again in the dialogue box e Monthly minimum temperature click on the Reset tab Navigate to Climate folder again and in the Monthly folder click on the arrow beside the folder tmn Click on Land and then ok to select it Click on ok again in the dialogue box e Number of wet days click on the reset tab in the Wet days field Navigate to Climate folder Under the Monthly folder click on the arrow beside wet Click on Land then ok and ok again You are now through with selecting your main options Make sure your form looks exactly like this 25 GEPIC_ 1 0 ArcMap Arcinfo_ Q Qaru mM E HEGOA S spatial Analyst La jem File Edit View Insert Selection Tools Window Input Simulation Output Help Deh 2 BX w a g 1 6538547 MACE 0 edtr gt My Create Net Target vv a B0 Options x Select Country Switzerland Cell Size 0 5 Select Crop Wheat Starting simulation year 1997 Simulation years po Warm up years 2 o Soil File Location Soil File Location C MyProject DATA Switzerland Soil EPICSoilWise Reset Weather File Location
22. B 2 KB 2 KB BS 4 960 KB 1 KB cee 7 EN gnut_s i gnut_s GRAPES f la GRAPES D OPS File uh BAK File r OPS File r BAK File see Microsoft Clean up Wizard File 1 KB 1 KB 1 KB 1 KB Ci 1 KB grep input inputform InputTextLoc INSALEM MS DOS Application Text Document Setup Information Setup Information WP1 File 7 KB 1 KB 1 KB 1 KB 2 KB ew 4 INTERREH INWASHIN a Se INWATERL INWESTLA rees KSALTON C WP1 File r WP1 File r WP1 File a WP1 File D WP1 File 2 KB 2 KB 2 KB 2 KB 2KB KSCEDARB r KSCENTRA a KSCHANUT KSCOLDWA KSCONCOR h WP1 File uh WP1 File h WP1 File r WP1 File os WP1 File Figure 7 Location of GEPIC executable file 53 4 Input Output files 4 1 Most important input data Soil parameters each soil type or soil code should have one separate soil file sol The soil file has a strict format which has been explained in EPIC User Guider v 0509 on page 18 19 Soil parameters should be prepared as many as possible and the following ones have to be included depth percent sand percent silt bulk density pH and organic carbon content Users need to give a number for each soil file name e g 3207 so The number is indicated in the soil code map or Soil Raster Dataset Climate parameters daily weather data file dly and monthly weather statistics file wp1 are needed Users should give a same number for two corresponding weather files e g 66100 dly and 66100 WP1 The number is indicated in the climate
23. DLY File DLY File 520 KB M 67620 Notepad 66810 Format View Help DLY File 520 KB Q H 67240 DLY File 520 KB 67590 DLY File 520 KB 67820 DLY File 520 KB H O w o N D a o o o o o O w wo 67940 DLY File 520 KB HHH N an DO Un W D OWA e on on N H on W w on on oo DWAD WDOWmooococococococooWfWOOOCoD ie oO SCOOCOSOSCSCOCOOCOOCSCOCOCOCOCSCCOCOCOCOCCOCOCOOCoOoCoCoOoOoOoOoo SCOCOSCSCOOCOOCSCOCOCOCOOCOCSCOCOCOCOOCCOCOCOOCoOoCCoCOoOoOoo slelelelelelololelelelololeleleloelololelaleloeloleloeleloeloloalal aia Figure 21 File format for daily weather data 23 Monthly weather data When users provide monthly data a built in MODAWEC weather generator is used to generate daily weather precipitation maximum temperature and minimum temperature from monthly weather data In this case users need to set four monthly weather files for precipitation maximum temperature minimum temperature and number of wetting days respectively see Fig 26 The four files share the same data format The format of the monthly precipitation data is shown in Fig 24 In each line the variables include Year Precipitation in January Precipitation in February Precipitation in December D x Search E Folders XxX ie Address C MyProject DATA Switzerland Climate Monthly pre Land 374274 345273 375274 375275 376273 Text Document Text Document Text Document Text Document Text Document 11 KB 11
24. Databast fa Landicape Oharactonrabes act eowng vindea ap Disconnected Editing E Thematic Raster Summary iby polygon a i Domains F Zenn Seatisties fa k Feature Class FE Zonal Statistics Auto i Frat Fields se Spatial Replace recode raster cell amp Zs Godhaka BB blacrum Gid Separation Tee ii amp Sereral E d Spitad alla Auboriati i Generalization gt nd E caie Automata 10s Time ETET amp Pans yet Conversion Figure 37 Interface of the Hawths Analysis Tools The following steps are needed to convert a raster dataset type to LONG using the Hawths Tools A Make sure the dataset you wish to convert is listed in the ArcGIS Table of Contents Click on the Hawths Tool drop down menu place the mouse pointer over Raster Tools and select Raster Data Type Conversion See Fig 37 37 In the Raster Pixel Type Converter window use the drop arrow in the nput field to select the raster dataset you wish to convert The original dataset type should now be displayed in a frame below In the Output segment use the drop arrow to select GRID as Output dataset format and specify the location where the raster dataset should now be saved raster dataset location Select LONG in the Output data type field a value will appear in the New NoData Value field ignore this Click on OK for the data type conversion to proceed At the end of the conversion process an error message
25. F 5 YEAR YEAR YEAR Display Source Selection Favorites Index Sea 4 gt aolieun al gt Drawing A Ce A 0 Arial jho Bz ul Avr Rs i 19695290 73 2318546 88 Unknown Units Figure 27 A window for model simulation Note you must leave the windows32 exe window open Closing it will terminate the simulation At the end of the simulation this window closes by itself 28 This simulation will take about 10 minutes It could last longer or shorter depending on the speed of your computer Certainly when you simulate for a larger area e g the entire world with higher spatial resolution it will take much longer time Step 6 Generate your output maps When the windows32 exe window has closed at the end of the simulation It is now time to generate the yield map The fifth button is the Map Generation tool You will generate your yield map with it You can also create other maps depending on the output variables you are interested in GEPIC_ 1 0 ArcMap Arclinfo QAI HTG kosa Spatial Analyst ZOD Ser P Deh amp B 1 196 023 833 ooo Variables for map generation Yield eooo GEPIC ies ArcToalbox CWP ET BF 3D Analyst Too Bonae 5 Analysis Tools Transpiration Cartography Td Irrigation Conversion Tox HI gt gt gt gt Data Interoper Nitrogen Geocoding Too water_ero BF Geostatistical n_soil amp Linear Referen aami Step 2 Slect period
26. GlS based Environmental Policy Integrated Climate Model User Manual Version 1 0 January 2009 GEPIC User Manual Contact Dr Junguo Liu Swiss Federal Institute of Aquatic Science and Technology Eawag Ueberlandstrasse 133 CH 8600 Duebendorf Switzerland Tel 41 448235012 Fax 41 448235375 Email water21water yahoo com junguo liu eawag ch Dr Hong Yang Swiss Federal Institute of Aquatic Science and Technology Eawag Ueberlandstrasse 133 CH 8600 Duebendorf Switzerland Tel 41 44 8235568 Fax 41 44 8235375 Email hong yang eawag ch Model objective to simulate spatial and temporal dynamics of the major processes e g crop growth hydrological cycle nutrient cycle carbon cycle erosion climate change impact of the soil crop atmosphere management system Citation Users should cite the following publications for the application of the GEPIC model Liu J Jimmy R Williams Zehnder A J B Yang H 2007 GEPIC modelling wheat yield and crop water productivity with high resolution on a global scale Agricultural Systems 94 2 pp 478 493 Liu J 2009 A GlS based tool for modelling large scale crop water relations Environmental Modelling amp Software 24 411 422 This User Manual Version 1 0 is prepared by Dr Junguo Liu Mr Franklin Uvere and Christian Folberth ay Content POWEUVIEW prisein aT A E E O E E l Installation and Preparat O i e E eats eoeeaeens 2 T aO E
27. KB 11 KB 11 KB 376274 376275 oe 377274 T 327275 378274 Text Document ext Documen Text Document Text Document Text Doi 1ext Vocumen 11 KB 378275 Text Docume 11 KB A 56 92 7 201 4 gt gt 234 4 4 A 37 8 91 5 38 97 1 pene pene E aT 116 7 175 8 a Wp Ea E Figure 22 File format for monthly weather data We will use the monthly weather data for this simulation To specify the monthly weather files locations e Check the Monthly Weather files location box lf it is already checked do not uncheck it e In the Precipitation field click on the Reset tab Navigate to C MyProject DATA Switzerlana Climate Click on the drop down arrow beside Monthly folder then on the one beside prec Click on Land and the ok Click on the ok in dialogue box 24 GEPIC_ 1 0 ArcMap ArcInfo IR U a 3 K i h Oo dh ef pan Spatial Analyst File Edit View Insert Selection Tools Window Input Simulation Output Help ae amp B m 1 6538 547 32 amp editor a ie a 7 E x 0 5 Select Crop wheat ors 2 Soil File Location Soil File Location Install arcgis DATA Weather File Location 2 Switzerland C Daily weather file loc B Climate 5 info Monthly pre 5 tmn H tmx Monthly weather file iC wet F cmice clim Precipitation TMax TMin i Wet days Display Source Selection Drawing k USAF 78
28. Latitude V3 Crop yield t ha V4 Ratio of crop yield to growing season ET kg mm V5 ETGS Growing season ET in mm V6 GSEF Growing season plant transpiration in mm V7 SMY 19 Irrigation volume in mm V8 FGIS N fertilizer applied in kg ha V9 SMY 11 Actual ET in mm V10 GSVF Growing season vapour pressure deficit in KPa V11 HGIS Crop harvest index V12 SRAF Growing season solar radiation in MJ m V13 YLNG N content of crop yield in kg ha V14 TNGS N content of soil in kg ha V15 X2 N lost to atmosphere in kg ha V16 X3 N lost with runoff subsurface flow and erosion in kg ha V17 SMY 42 Wind erosion in t ha V18 SMY NDVSS water erosion for driving EQ in t ha V19 SMY 3 Solar radiation in MJ m2 Q 12 V20 V21 V22 V23 V24 V25 V26 V27 V28 S V29 S V30 S V31 S V32 S V33 S V34 S V35 S V36 S V37 S V38 S V39 S V40 S V41 S V42 S V43 S V44 V45 V46 V47 V48 V49 V50 S V51 S V52 S V53 S V54 S V55 S V56 S BGIS Biomass production in t ha SF1 Water stress in days SF2 SF3 SF4 SF5 SF6 Aeration stress in days N stress in days P stress in days K stress in days te A Temperature stress in days SF7 Salt stress in days MY 46 N leached in kg ha MY 43 MY 47 MY 49 MY 50 MY 85 MY 51 MY 52 MY 53 MY 54 56 57 58 59 60 61 62 63 Organic N loss with sediment in kg ha
29. Network Editing Georeferencing Geostatistical Analyst Graphics Display Source Selection Labeling olen gt Drawing eo BB oe 10 ede 0 a ee vee bi 5529785 51 10018754 17 Unknown Units Figure 13 Set GEPIC toolbar in ArcGIS Step 2 Specify the location of your raster datasets Click on the toolbar Set Input Data to open the Input dataset form The first tab on the GEPIC toolbar is called the Set Input Data see the following graph Put your cursor above the first tab and you will see the name GEPIC_ 1 0 ArcMap Arcinfo QATO LOM 5 Spatial Analyst ABEE E RAF File Edit View Insert Selection Tools Window Input Simulation Output Help Dw amp Fal 1 196 023 833 if amp ab C Editor JE B0 ArcToolbox amp 3D Analyst Tools amp Analysis Tools amp Cartography Tools amp Conversion Tools Ja Data Interoperability 1 amp Data Management Toc Ja Geocoding Tools iy Geostatistical Analyst RF Linear Referencing To BF Network Analyst Tools Samples amp Spatial Analyst Tools amp Spatial Statistics Tools amp GEPIC lt a Display Source Selection Favorites Index Seaa gt llg a 2 u Drawing y A La I Arial a ar uj Ar amp fr se 4595173 88 10018754 17 Unknown Units Figure 14 Set Input Data Tool 17 In the nout dataset form the next graph you can specify the locations of your raster datasets Click
30. atasets and write all input information into the text input file input txt 4 Simulation clicking this button will open the Auto Calendar window where you can select fixed crop calendar or automatic crop calendar for your simulation 5 Map Generation clicking this button will open the Map Generation form where you can generate maps from output data 6 Save Runs clicking this button will open a form to help save your simulation runs lf the GEPIC toolbar is not within the ArcGIS system click on the View menu on your ArcGIS menu Scroll down to Toolbars in the drop down menu and make sure GEPIC Toolbar is ticked If it is not click on it to display the GEPIC toolbar please follow Fig 13 You can then customise the location of the toolbar 16 amp GEPIC_ 1 0 ArcMap ArcInfo O Q He G m k i h oe B Spatial Analyst Y File Edit View Insert Selection Tools Window Input Simulation Output Help OD ce Data view 1 196 023 833 2 amp amp Es Edo e X E Layout View ajo Zoom Data gt Bo Zoom Layout gt i ie Arctoolbox Bookmarks gt 3D Analyst Tools ame lt e 4 Toolbars A v Main Menu v Status Bar 3D Analyst Overflow Annotation Advanced Editing GL Scrollbars Animation Annotation ArcPad ArcScan Data Frame Properties oo Cadastral Editor Data Frame Tools Dimensioning Distributed Geodatabase v Draw Editor Effects GPS Geodatabase History Geometric
31. atial Analyst Y Layer om i File Edit View Insert Selection Tools Window Input Simulation Output Help DSt 3 BX a g frseosets JL BO ior gt e 7 Tk Been e fo m e Options iba lt GEPIC 6B ArcToolbd EN Select COUNTY Switzerland Cell Size 0 5 Select Crop Anal up seis Starting simulation year Simulation years Warm up years Cony 1997 3 2 Data Data Soil File Location 5 Geoc Soil File Location C MyProject DATA Switzerland SoilEPICSoilWwise Reset cS 2y Geos S Linea i 4 Netwipa Weather File Location S Samp H Spati Spati Daily Weather File C MyProject Data Climate Daily_0509 Reset Monthly Weather Statistics File C MyProject Data Climate Statistics_0509 Reset C Monthly weather file location P has amp a Source Selection Favorites Index Sead gt llgn jon aj z Drawing kA 0 TAF C e aval fio 7 B Z U E D r 8 x 705577 65 5437595 59 Unknown Units Figure 20 Set daily weather file folder Daily New CH Help talt ie Favorites Tools Q px D JO search gt Folders lay E x i Ez Address C MyProject DATA Switzerland Climate Daily_New_CH 66040 66100 66120 66160 4 66430 DLY File DLY File D DLY File DLY File DLY File 520 KB 520 KB 520 KB 520 KB 520 KB 66600 66690 66700 66720 66800 DLY File DLY File DLY File
32. ation Frassodarculder amp Conversion To HI Data Interoper Nitrogen selecta folder By Data Managem Geocoding Too water_ero F Geostatistical A n_sail Gp MyProject GS DATA EPICOSO9 Input Sig Output PRS oain H AutoCalendar 5 info O Gems ny o Step 2 Slect period t2000 er to save maps t2001 C One specific yea 5 yd2000 l yd2001 Multi years SI MvPrnoierk r bi C Step 4 Map Generation Error Check toptional gt Generate Maps Display Source Selection Favorites Index Se Drawing Mh AT 0 Arial 0 F BZU A Bw v ow 1220187 41_3912197 36 Unknown Units Figure 29 Select folder to save output maps 30 Click ok in the dialogue window that appears D Map generation We are now ready to generate our maps Click on the Error Check optional button to check for possible simulations errors and wait for the system to run After the windows32 exe has closed click on the next tab Data Pre process and wait for the windows32 exe window to close Then click on the Generate Map tab Your map will now be generated Fig 30 GEPIC_ 1 0 ArcMap Arcinfo Ol Q aR ee ay ep g k h oa pang Spatial Analyst File Edit view Insert Selection Tools Window Input Simulation Of 0 sy B Lael amp 2 1 3603615 Step 1 Select variables le Llib fi f All variables Variables for map generation x ET m lt GEPIC 3 ArcToolbox
33. code map or Climate Raster Dataset Daily weather data file dly The format of the daily weather data file is described on page 21 in EPIC User Guider v 0509 Daily weather parameters include solar radiation max temperature min temperature precipitation relative humidity and wind velocity Monthly weather statistics file Once you have the daily data a WXPM3020 program can be used to generate the monthly weather statistics Details please refer to page 21 23 in EPIC User Guider v 0509 Irrigation data and fertilizer data N is most important are very important for crop yield and crop water use Users should provide data on total annual amount of irrigation in mm yr and annual fertilizer application in kg ha 4 2 Format of input files Three types of input data are needed for the GEPIC model GIS raster datasets text files and user specified data The most important input data are GIS raster maps They should be set in the Input Datasets form Fig 8 Necessary maps include DEM raster dataset the average elevation in each grid cell Slope raster dataset the average slope in in each grid cell e g 8 means the slope is 8 in a grid cell Country raster dataset code number of different region The default map shows the code number of each country Land use raster dataset this map provides information on crop distribution In the land use map only three numbers should be included 0 indicates absence of a specif
34. d2000 Add Show of type Datasets and Layers Ipr Cancel lt D Display Source Favorites Sea Soje naj gt Drawing A HS Avy I Arial ho J Bz u A D r 8 Add new data to the map s active data frame 18614348 42 10018754 17 Unknown Units Selection Figure 31 Select output raster data Your data view should look like this GEPIC_ 1 0 ArcMap Arcinfo QAQIR h mear amp Spatial Analyst Layer yd2000 Am SOGeOR A File Edit View Insert Selection Tools Window Input Simulation Output Help Dw amp Fal K 1 196 023 845 8 BY E Editor a v JE o0 x x A amp GEPIC ArcToolbox Be 3D Analyst Tools mo Analysis Tools E 1 300 Cartography Tools E 1 680 Conversion Tools E 1 780 BF Data Interoperability 1 E 1 830 ig Data Management Toc E 2 050 ag Geocoding Tools E 2 190 ab Geostatistical Analyst Mi 2 210 RF Linear Referencing To E 2 470 Network Analyst Tools E 2 650 Bs Samples E 2 930 ab Spatial Analyst Tools E 3 420 Jg Spatial Statistics Tools E 3 440 E 3 540 lt il gt z Display Source Selection Favorites Index Sea 4 anD gt Drawing k L A I Arial fio B Z U AS D 27 A 233652 92 3868253 97 Unknown Units Figure 32 Add output map into ArcGIS switzerland is not really a big country is it You can use the zoom tool on the ArcGIS toolbar to zoom into it It should appear
35. e output maps are saved in the folder specified by users in the Map Generation Form see Fig 28 Step 3 Select folder to save maps In case you want to change the output map names use ArcCatelog to do SO Another kind of GEPIC outputs are text output files e g 2000 txt 2001 txt The names depend on the simulation period set by users These files are used to generate the above output maps In each text file one line shows the results of 62 variables for one grid cell Variables are separated with a comma in the output files see the following graph for Output format 11 Back P ys Search E Folders E XxX ie E Address E C MyProject EPICoso9 v EJ co Ae A EN A AutoCalendar al AutoCalendar_veg_r lool Debug CJ EPICOSO9 J OPS_Cal 1995 1995 2002 1996 ee 1997 OPS_Old ia Se ea are SU starters Se a aera B 1997 2001 Notepad Sle ee 1997 2001 File Edit Format view Help Text Document E E78 e e R AR 7 0 8 eee j 8KB 0 8 a 0 6 0 8 1 200i 0 0 Tag Text Document 0 8 Tr 8 0 4 a BAE 0 0 a a ALFRISCO 0 8 1 2 D WP1 File 0 0 0 8 SB 0 0 0 8 0 8 T2 _ amp ALMONTGO ane ane e WP1 File 3 3 ALVALLEY C WP1 File 2 KB TY ARCLARKS r WP1 File _ amp aRFORTSM D WP1 File a ARMOUNTA os WP1 File AutoCalendar Setup Information 1 KB n amp AZBLACKR WP1 File v Figure 11 Format of text output file The output variables include V1 Longitude V2
36. elect Crop Starting simulation year 1997 Simulation years 2 Warm up years 3 Soil File Location Soil File Location C MyProject DATA Switzerland Soil EPICSoilWise Reset Weather File Location C Daily weather file location Precipitation C MyProject DATA Switzerland Climate Monthly pre Land TMax C MyProjecti DATA Switzerland ClimatetMonthlyitmxtLand TMin C MyProject DATA Switzerland ClimatetMonthlyitmniLand Wet days C MyProject DATA Switzerland Climate Monthly wet Land al nt gt Favorites Index Sea 4 gt Pojan aj gt j rawing k A g B A Z a Ara fio B Z UJA Sew Jv 9v 581489 16 5406096 2 Unknown Units Figure 10 Options form 10 4 3 Format of output files The main outputs of the GEPIC model are raster GIS maps representing the spatial distribution of output variables such as crop yield and evapotranspiration The rules for the output maps are as follows Variable code and meaning e yd yield e et seasonal ET e wp crop water productivity e bm biomass e t transpiration e i irrigation e hi harvest index e n N fertilizer input e aet annual ET Name format of the output maps e one specific year variable code _ year e g yd_ 1995 e average of multiple years variable code_startyear_endyear e g yd_ 1995 2000 The variable codes are used to give names to maps see name format of the outout maps The GEPIC always use the names with the above format Th
37. en the GEPIC file Open the GEPIC1 0 mxd file from the shortcut you created on your desktop or from C MyProject EPICO509 GEPIC1 0 mxd An ArcGIS window opens You can locate GEPIC Toolbar in the window 15 GEPIC_ 1 0 ArcMap ArcInfo O aR ee y k amp i Spatial Analyst File Edit View Insert Selection Tools Window Input Simulation Output Help D Hg Ez 13603615 2 D D O Editor x lt ee z me y aa x ae GEPIC Toolbar GEPIC icp ArcToolbox wr amp 3D Analyst Tools ti A Be Analysis Tools 3 Cartography Tools amp Conversion Tools amp Data Interoperability 1 3 Data Management Toc BY Geocoding Tools 3 Geostatistical Analyst Be Linear Referencing To ag Network Analyst Tools ab Samples ab Spatial Analyst Tools ab Spatial Statistics Tools lt gt Display Favorites Index Sea Arjonen all gt Drawing R O7 A 0 Arial vyiji0 F Bz UJA Dv v ow 1033934 89_5374596 81 Unknown Units Figure 12 The GEPIC toolbar The GEPIC toolbar contains six major functional buttons Fig 12 1 Set Input Data clicking on this button opens the Inout Data Form where you can specify the location of your raster datasets and display your data in ArcGIS 2 Options clicking this button opens the Setting Simulations Options Form where you can select your simulation options 3 Write All Inout Data clicking this button will send commands to read raster d
38. entation of the integration of EPIC with GIS C Location of GEPIC executable file see Fig 7 FPIC0509 Fie Edit view Favorites Tools Help Q peck amp wi JO search gt Folders ES Ez pa i E Address gt C MyProject EPICOS09 Fort 161 Fort 162 A fort 163 A fort 164 A fort 165 161 File 162 File FEE 163 File FEE 164 File FEE 165 File 1 KB 1 KB HH 1 KB HH 1 KB HH 1 KB m Fort 166 Fort 167 i Fort 168 Fort 169 fort 170 166 File 67 File ER 168 File aaa 169 File FEE 170 File EE 1 KB KB EH 1 KB GES ikB HH 1 KB fort 171 A fort 172 fort 173 fort 174 fort 175 naal 171 File FEF 72 File H 173 File FEE 174 File FER 175 File SSII 1kB HH KB HH 1 KB HH 1 KB HH 1 KB fort 176 fort 177 fort 178 fort 179 fort 180 176 File ER 77 File ER 176 File E 179 File ER 180 File 1 KB HH KB HH 1 KB HH 1 KB HH 1 KB fort 181 fort 182 fort 183 fort 184 e GAALMA aaa 181 File FEA 182 File ER 183 File E 184 File f WP1 File S551 1kB HH 1 KB HH 1 KB HE 1 KB 2 KB iid Sy GAAPPLIN 7 GAATLANT a GABROOKL em GABRUNSW GACORNEL D WP1 File rr WP41 File e WP1 File r WP1 File D WP1 File 2 KB 2 KB 2 KB 2 KB 2 KB a GADUBLIN a GAJASPER a GALAFAYE GAMACON si GAMORGAN D WP1 File P WP1 File WP1 File r WP1 File r WP1 File 2 KB 2 KB 2 KB 2 KB 2 KB aw GASILOAM _ GATALBOT _ GATIFTON w oa Sapien A pen gnut_n D WP1 File hs WP1 File eh WP1 File B SRI ArcMap Document rr BAK File 2 K
39. es add them in the above form yourselt This is easy Please follow the steps in 6 2 How to add an output variable for map generation in GEPIC For this exercise we are only interested in crop yield Click on Yield in the All Variables list and use the directional arrow to send it to the Variables for Map Generation list C Select period of interest In the Step 2 Select Period segment check the Multi yvears box and type in 2000 in the From and 2001 in the To field Note e To generate maps for one specific year you would need to check the One Specific Year box and then type in the year of interest e To generate individual maps for more than one year you should check the Multi years box and then type in the years of interest in the From and To fields e Make sure the years selected are within the simulation years range selected in the Options form D Select folder to save output maps In the Step 3 Select Folder To Save Map segment click on the Set a new folder tab Navigate to C MyProject Output Click on the My Output folder and click ok GEPIC_ 1 0 ArcMap ArcInfo QAI HG kO 28 Spatial Analyst ABRE E KAF File Edit view Insert Selection Tools Window Input Simulation ORG o0 Sos Dees Ea ab 1 196 023 833 Variables for map generation x Yield amp GEPIC E ArcToolbox CWP amp 3D Analyst Too ET Biomass 5 Analysis Tools Transpiration Cartography Te Irrig
40. g Tools ag Geostatistical Analyst ab Linear Referencing To amp GEPIC switzerland yd2000 VALUE E 1 300 E 1 300 000001 1 830 EJ 1 830 000001 2 210 E 2 210 000001 2 930 E 2 930 000001 3 540 BF Network Analyst Tools ab Samples ab Spatial Analyst Tools ab Spatial Statistics Tools lt amp oa Display Source Selection Favorites Index Sea 4 lie Bb eu al E gt Drawing k USRA 0 Arial 10 BZU Avr Av v ev 801984 86 5045285 04 Unknown Units Figure 35 Crop yield map with country boundary Step 7 Saving your runs Once you are through with this simulation you may wish to save your simulation The sixth button in the GEPIC toolbar enables you to do this A Click on this tab to open the Save Run form You will then select a folder in which your run will be saved B Click on the Set A Folder tab Navigate to your GEPIC folder and click on the arrow beside the Output folder Click on Swiss_irr_wht and click ok Click ok again in the dialogue box and click on Save Your run will now be saved When the window exe closes close the SaveRunsForm Now you can view your run files in the folder you selected C Open the Swiss_irr_wht folder You should have one Autocalendar folder and eight other files in it The Autocalendar folder contains the results of your simulation Whenever you wish to generate maps form these results you can do so by copying the Autocalendar folde
41. hly weather file location i Display Source i Favorites Sea gt fanla n 4 gt Drawing A a gt A I Arial 0 ae r Aw ew Dr 8 2490903 16 2883262 13 Unknown Units Figure 3 Interface of the GEPIC model The GEPIC software comprises three components The most obvious component Is the proprietary GIS which is a standard ArcMap window in ArcGIS 9 1 The least obvious component is the EPIC model which is the core of all simulations The third component is the GEPIC interface see Fig 3 which links GIS and EPIC The interface contains toolbars and menus The toolbars provide functional buttons to 1 locate raster input data 4 sets 2 select the simulated area and crops 3 specify spatial resolution and 4 set the locations of the EPIC file and input and output files It further provides buttons to 1 edit inputs into EPIC required input files 2 run the EPIC model and 3 to generate output maps The menu has submenus which allow users to perform the same tasks as the toolbar The ESRI s GIS software ArcGIS9 1 was selected to develop the GEPIC model ArcGIS is used as an application framework input editor and map displayer As an application framework ArcGIS provides the main programming language VBA to design the interface of GEPIC and to design programs for input data access text output data generation and output map creation As an input editor ArcGIS is used to convert vector input data i
42. ic crop while 7 and 2 indicate existence of the crop under rainfed and irrigated conditions respectively Soil raster dataset code numbers of the soil files in each grid cell Climate raster dataset code numbers of the climate files in each grid cell Irrigation raster dataset annual maximum irrigation depth in mm yr When data are not available select No Data button under the irrigation map input panel Fertilizer raster dataset annual maximum fertilizer application rate in kg ha GEPIC_ 1 0 ArcMap Arclnfo QA IROA rO 5 2 File Edit View Insert Selection Tools Window Input Simulation Output Help D Hg Input Datasets lt GEPIC DEM Raster Dataset C myprojectiDATA Switzerland L swiss_dem30_ Reset Add to Layers Landuse Raster Dataset C imyproject DATASwitzerland L swiss_irwt_ Reset Add to Layers Fertilizer Raster Dataset Dataset Location Dataset Name Dataset Location Dataset Name Spatial Gnalyst Y ZOU E EAF Slope Raster Dataset C myproject DATA Switzerland s swiss_slpe_ Reset Add to Layers Soil Raster Dataset Ci myprojectiDATASwitzerland s swiss_soil_ Reset Add to Layers Annual Irrigation Dapth Dataset Location Dataset Name Dataset Location Dataset Name Country Dataset Location Ci myprojecti DATA Switzerlandic swiss_count_ Reset Add to Layers Climate Raster Dataset Ci myproject DATA Switzer
43. landic swiss_clim_ Reset Add to Layers Dataset Name Dataset Location Dataset Name Display Source Selection Dataset Location C myproject DATA Switzerlandif Dataset Location Ci myproject DATASwitzerland I max_irr_2000 whtferti_1 Dataset Name Dataset Name Reset Add to Layers No Data Reset Add to Layers lt gt Favorites Indes Sea 4 fo o n gt j Drawing A AT 0 Arial 0 gt Be ulj Avr Bw v 6 v 16745125 15 5677574 89 Unknown Units Figure 8 Pop up window for setting input raster datasets The second type of input data is text files Weather and soil data are stored in text files Users Weather data when daily weather data are available each climate code corresponds to two weather text files 1 daily weather text file containing daily weather data e g daily precipitation daily minimum and maximum temperatures and 2 monthly statistics text file which contains information on monthly weather Statistics When monthly weather data are available each climate code corresponds to at least four text files which contain monthly data on 1 precipitation 2 maximum temperature 3 minimum temperature and 4 number of wetting days Soil data each soil code corresponds to one soil text file which contains several soil parameters e g soil depth percent sand and silt pH organic carbon content etc see Fig 9 The format of the soil file is shown i
44. lbar to open the Options form Select your simulation options as follows 20 GEPIC_ 1 0 ArcMap Arcinfo wee a ee k i fai bed Ea Spatial Analyst File Edit View Insert Selection Tools Window Input Simulation Output Help D g Wg amp 1 5159 307 sf AGO editor na X JE ajo Options x GEPIC Select Country Switzerland Cell Size 0 5 Select Crop Wheat 7 Starting simulation year 1997 Simulation years pa Warm up years psz Soil File Location Soil File Location C MyProjectiDATA Switzerland Soil EPICSail Wise Reset Weather File Location C Daily weather file location Precipitation C iMyProjecti DATA SwitzerlandiClimateiMonthlyipretLand TMax C MyProjectiDATA Switzerland Climate Monthlyitms Land TMin C MyProjectiDATA Switzerland Climate Monthly tmniLand Wet days C iMyProjecti DATA SwitzerlandiClimateiMonthlyiwetiLand imal lt gt x Yv Display Source Selection Favorites Index Sea 4 aoln a gt Drawing A ASEAN 0 Arial ho B 2 U Av Dr r 8 512653 76 5509779 07 Unknown Units Figure 18 The options Form A Select Switzerland click the drop arrow in the Select Country field and select Switzerland Note e For global simulations select World from the Select Country field e For national simulations select one specific country from the Select Country field e For simulations which cover neither one specific country nor the
45. le Edit View Insert Selection Tools Window Input Simulation Output Help D g Uga amp 1 196 023 833 v if a B E Editor z5 v foe a lt GEPIC 0 5 Select Crop wheat ars 2 Soil File Location Soil File Location 3 Switzerland i Climate Weather File Location E Country C Daily weather file loc H Dem 30 H Fertiliser H Irrigation H Landuse a Slope Monthly weather file Precipitation i TMax TMin C MyProject DATA Switzerlandiclimate CRU_TS_2 10 Monthly tmniLand Wet days C MyProject DATA Switzerlandiclimate CRU_TS_2 10 Monthly wet Land lt B Display Source Selection Favorites Index Sea 4 gt Polen Drawing k Oz A I Arial 0 BZ UJA v v v 15135516 22 10018754 17 Unknown Units Figure 19 Set soil file folder F Set the location of weather files Users can provide either daily weather data or monthly weather data Daily weather data To set daily weather data check the Daily weather file location box see Fig 20 and use the reset tab to select the location of your daily weather file The variables in the daily weather files are Year 6 spaces Month 4 spaces Day 4 spaces Solar Radiation 6 spaces Maximum Temperature 6 spaces Minimum Temperature 6 spaces Precipitation 6 spaces Relative Humidity 6 spaces and Wind Speed 6 spaces Fig 21 22 GEPIC_ 1 0 ArcMap Arcinfo QQxueuMV ensEP Bh OMS amp F Sp
46. may pop up see Fig 38 This is a bug in the Hawths Analysis Tools gnore this error and click on OK Your raster by now has already been converted You should now be able to use it in GEPIC You can also add and view your new raster dataset by using the Add Data toolbar in ArcGIS BEPICIO Archiep ArcView fie Ect View Insert Selection Toot Window Input Simulstion Output Help a ao a an on oh s ran m QAQununee ROMS S Snas 2 D g al amp a ai 1206 208 06 2 F 3 5 Spatial Analyst Layer fer bry gt 7 B Hewth Tools ry i m n _ H AecToe amp GEK ag Aec le S T amp 20 BU Value iG 3 Analytn Pater High 585 Cartoge Took ingat m a Corwersion Tools r Rad al asrt Low 0 1 Data Interoperability T mare e Data Management Puel ype P AT tigned 16 b integers 4 amp Dec arison Height M7 wd amp Datebe Col size 0 2 amp Discon d Editing x bel n Udi z 7 Doms amp Featur ad Corverthast SF stur Output raster 13 36 f idh Ea Paee Type menmatch y EC MyPicec i Fie Geodatabace z Genes Oana daai baon gt a amp Generalization or amp Indenes Now NoDate amp Layers and Table Views it is erpental to understand the mpdcohons of dete type convertion on your raster oes ay l data and how tis tool handles conficte se reia to tre orire help Web Help amp Projections and Transfo buton lor a decurnon of there togecs and
47. n page 18 19 in the EPIC User Manual need to prepare the weather and soil data files For large scale studies users should prepare a large number of data files In this case they may need to write a computer program to help them create these files EPICSoilWise Fie Ed iew Favorites Tools Help EJ Q sex wi p Search E Folders x ig Ez Address C MyProject DATA Switzerland Soil EPICSoilWise gt Go 3149 3201 6406 6494 6501 SOL File w SOL File SOL File SOL File SOL File 1 KB 1 KB 1 KB 1 KB 1 KB Sy 6532 ry 6997 SOL File SOL File 1 KB E gt 3149 Notepad File Edit Format View 3e87 2 3a oO 01 1 02 17feb 8 0 00 0 00 0 00 Ds 0 200 1 320 43 0 33 0 6 8 0 85 14 7 4 0 Figure 9 Soil data files and their format The third type of input data is the user specified data in pop up windows in the GEPIC interface e g in Fig 10 Users just need to complete the forms When users close the windows the input information in the forms is saved automatically by the GEPIC model Q Qu ne T ORONS 7 se e z File Edit View Insert Selection Tools Window Input Simulation Output Help D amp p Ha B ae 3603615 wf amp S E Editor gt ad P v Task Create New Feature gt Target a I EE E a a a El Bi E fal we w ooe m ET i Options Select Country Switzerland Cell Size 0 5 S
48. nto raster data which are the main input format One typical example is the climate data Daily climate data are often available for various stations while the code of each station is presented as attributed point data The point data is converted into raster data with a method of Thiessen Polygons with which the daily climate data from the closest climate station is used as a representative for a grid cell AS a map displayer ArcGIS can be used to visualize the GIS data e g vector or raster input data raster output data etc 3 2 File structure As a first step to start the model users need to know 1 the location of the GEPIC software 2 the file structure 3 the location of the executable file A Location of the GEPIC software IBM_PRELOAD C File Edit View Favorites Took Help Q bak Neg T po Search Ke Folders fiil Address Gee C Po CJ cmpnents Ga Documents and Settings a P A GJ 9aa245fa38ea5a4bddcad CJ ArcGIS a cygwin ae docs m Hide the contents of this drive Th Add or remove programs e Search for files or Folders LJ Downloads File and Folder Tasks k Other Places Details a J hemp mia i Lo WINDOWS E AUTOEXEC BAT Ps MS DOS Batch Fie egy OKB BOOTLOG TAT Text Document ORB Figure 4 Location of GEPIC software a CJ Drivers s IBMSHARE l Library n A neptun software a F Research BcBtRomy bog Text Document
49. odel was developed between 2004 and 2005 to serve for a Swiss National Science Foundation funded project Water Scarcity Its Measurement and Implications for Virtual Water Import The model was developed to quantify crop yield and crop water use on a global scale with a spatial resolution of 30 arc minutes around 50 km by 50 km nearby the equator Since the GEPIC model can potentially use all functions of EPIC it has later been used to simulate impacts of climate change on crop production green and blue water use assessments effects of biofuel production on land and water resources soil and water erosion etc There are no strict classifications among different versions of the GEPIC model hence it is still marked as Version 1 0 so far The GEPIC model is developed and maintained by the Swiss Federal Institute of Aquatic science and Technology Eawag It is a public domain program and as such may be used and copied free of charge for non commercial uses 2 Installation and preparation 2 1 Installation The installation process is very easy You just need to copy the folder MyProject and all files in this folder to your hard driver C or D Now you are done Enjoy the GEPIC model 2 2 Preparation Make sure ArcGIS 9 1 or higher version is installed in your computer and working properly A basic knowledge of ArcGIS is required to use the GEPIC Model It is possible to encounter problems when ArcGIS and Arclnfo Workstation are
50. r contents to the Autocalendar folder in the EPICO509 folder In case that one or more of these files are not saved automatically you should save it manually To copy any of these files manually open the EPICO509 folder scroll to the file copy and paste it to the folder you plan to save files 34 Swiss_irr_wh File Edit view Favorites Tools Help 7 a j O O B POs E roes fae BX 9 m a Address C MyProject Output Swiss_irr_wh yd2001 aux yd2000 aux d2000 AUX File AUX File info a yi g yd2001 HA on ak AutoCalendar Setup Information OutputFile Setup Information 1 KB 150 KB 1KB ex t Document 1 KE Figure 36 Save your runs 35 6 Advanced knowledge and functions 6 1 How to add a crop in GEPIC The following texts show the steps to add crop tomato in the GEPIC model When you plan to add a different crop you need to follow the same steps but should change the places with pink colour Step 1 Edit OMA opc file and add to the folder EPICO509 Step 2 Add the file name to EPICO509 OPSCCOM DAT 44 TOMA OPC Step 3 Add the crop name in EPICO509 CROP TXT tomato Step 4 In GEPIC gt AutoCalendarForm gt Simulate add the following Location above the sentence ADD THE CROPS YOU PLAN TO SIMULATE If InoutTextFileForm ComboBox2 tomato Then iCropCode 44 crop code in crop txt file Open sCropCMD For Append As 1 Print 1 util run epicrun
51. ration Language or a data file editor that comes with the EPIC model This process is achieved by writing command lines into a batch file Temp cmd By executing the batch file GEPIC runs the EPIC model for each simulated grid cell A set of EPIC output files e g EPIC_OUT OUT EPIC_OUT ACY etc are generated With an output data translation module output variables are written into a series of text output files e g 1999 txt 2000 txt 2001 txt etc which are used to generate GIS output maps 2 Soil databases GIS Input Meteorological databases Datasets GIS Output Maps Text Output files ET V CWP LSP ERS Re eS FERRET AAE E AE NARS E Ne Ta ie ORS EE ONE APS PA I EPIC Batch File Figure 2 Schematic representation of the integration of EPIC with GIS GEPIC_ 1 0 ArcMap ArcInfo ct aa a GEPIC Toolbar X E ArcToolbox Z 3D Analyst Tools B 3 Fe P Analysis Tools a 4 is A Options 3 Select Country Switzerland v Cell Size 0 5 Select Crop Wheat X Starting simulation year 1997 Simulation years 3 Warm up years gt q Soil File Location Soil File Location C MyProject DATA Switzerland Soil EPICSoilWise Reset Weather File Location Daily weather file location Daily Weather File myProject Data Climate Daily_0509 Reset Monthly Weather Statistics File C MyProject Data Climate Statistics _0509 Reset C Mont
52. t Simulation Output Help D SES x a A AO Eto pe Be task JE o0 x x amp GEPIC ArcToolbox switzerland Br 3D Analyst Tools 3 Analysis Tools yd2000 Be Cartography Tools mio Conversion Tools E 1 300 Data Interoperability 1 B 1 680 S Data Management Toc E 1 780 Geocoding Tools E 1 830 Geostatistical Analyst 2 050 ag Linear Referencing To E 2 190 Network Analyst Tools MM 2 210 g Samples E 2 470 Spatial Analyst Tools E 2 650 ab Spatial Statistics Tools E 2 930 E 3 420 E 3 440 E 3 540 lt gt Display Source Selection Favorites Index Sea lia DIN gt Drawing Y A OSTAT I Arial afo ea A amp fr 2 Figure 34 Add country boundary to crop yield map with country boundary 33 The yield map shows that yields of irrigated wheat were higher in the North than in the south in Switzerland in 2000 You can also view the Yield map for the year 2001 in the same way mentioned above amp GEPIC_ 1 0 ArcMap Arcinfo QQrRaeM en Bok Owes Spatial Analyst Layer yd2000 12m ZOGeSRl2A File Edit View Insert Selection Tools Window Input Simulation Output Help ee Bx n 1 3603615 32 A D Editor ar CreateNewFeatue i z ma z o0 3 ArcToolbox Bs 3D Analyst Tools Be Analysis Tools 3 Cartography Tools BF Conversion Tools S Data Interoperability 1 ag Data Management Toc ab Geocodin
53. ta Note To be sure that your input files have all been written open the EPICO509 folder scroll to the input txt file open it this can be done using Notepad and make this file empty Then click the button Write All Inout Data You should have some input in input txt An empty file means you fail to write input in this file In case that you have an empty input txt please check e Land use raster dataset it should contain only three numbers 0 1 and 2 e C MyProject folder You should have this folder Some users change the folder name to GEPIC This will lead to failure of simulation Please keep the folder C MyProject e Check the type of input raster datasets Make sure the type is LONG e No data for example in the demonstration verion we only provide data for Switzerland When you select a country rather than Switzerland e g China GEPIC will not write anything to input txt You need to prepare data first Step 5 Run your simulation The fourth toolbar is the Simulation tool Click on the Simulate tab and an Auto Calendar window shows up If you run a simulation for which exact planting and harvest dates are known you can select the Fixed Crop Calendar option In this case you will need to specify the planting and harvesting dates in the crop operations ops see EPIC user manual file in the EP ICO509 folder When exact planting and harvest dates are not available check the Automatic Crop Calendar box Make sure
54. your view looks exactly like this 2 GEPIC_ 1 0 ArcMap Arcinfo QriruvV kO eG Spatial Analyst z ABLE E aC KAF File Edit View Insert Selection Tools Window Input Simulation Output Help D g Uga ial 1 196 023 833 yl of amp amp 0 editor a Create New Feature v rT i aa x x lt GEPIC 3 ArcToolbox Br 3D Analyst Tools Be Analysis Tools iy Cartography Tools BF Conversion Tools amp Data Interoperability 1 BF Data Management Toc amp Geocoding Tools s Geostatistical Analyst Auto Calendar Windows BF Linear Referencing To BF Network Analyst Tools BF Samples BF Spatial Analyst Tools BF Spatial Statistics Tools Fixed Crop Calendar Calculating times in a year 12 Simulate lt gt Display Source Selection Favorites Index Seaq gt lig oln al gt Drawing A ls A 0 Arial 10 B zZ UAT Dr sr ow 8541311 9 10018754 17 Unknown Units Figure 26 Auto calendar form Click on the Simulate tab The following windows32 exe window will show up GEPIC_ 1 0 ArcMap ArcInfo QAI uT kO eG Spatial Analyst z z i0 Pg o A File Edit View Insert Selection Tools Window Input Simulation Output Help BE A lt lt C WINDOWS system32 cmd exe x zi zi lt GEF C MyProjectN NEPICOS gt epic 509 exe RUN EPIC_OUT SIT 200 WPi 1 SOLH 999 OPS 5 YEAR 1 OF 5 YEAR 2 O

Download Pdf Manuals

Related Search

Related Contents

Advantech PCA-6187 Computer Hardware User Manual  + Pour les plaies chroniques et aiguës exsudatives  Stopping Irrigation for Rain Events  EL 9600  Istruzioni per l`uso Elenco dei pezzi di ricambio  ` - @ ー ` ` - 施工説明書 Pana艶"ーc ク リーンフーズダウンライ ト用 取扱  

Copyright © All rights reserved. Failed to retrieve file