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Stochastic Disaggregation

Stochastic Disaggregation. FILES/DATA NEEDED. *.CLI – climate file from WeatherMan *.PRM – Parameter file for the New Weather Generator (WM) *.MTH – Target file. TOOL FOR PRODUCING THE *.PRM FILE. Program: EstimatePrm.EXE SYNTAX: EstimatePrm *.CLI *.WTD OUTPUT: *.PRM. PRM FILE.

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Stochastic Disaggregation

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  1. Stochastic Disaggregation

  2. FILES/DATA NEEDED • *.CLI – climate file from WeatherMan • *.PRM – Parameter file for the New Weather Generator (WM) • *.MTH – Target file

  3. TOOL FOR PRODUCING THE *.PRM FILE • Program: EstimatePrm.EXE • SYNTAX: • EstimatePrm *.CLI *.WTD • OUTPUT: • *.PRM

  4. PRM FILE

  5. TARGET FILE *.MTH

  6. READY TO RUN • Stochastic Disaggregation Program: • DisAg.EXE • SYNTAX: • DISAG *.PRM *.MTH 10 Parameter file Number of realizations Target file

  7. SAMPLE CASE STUDY • WHEAT PRODUCTIVITY • PANTANAGAR, INDIA

  8. PROCEDURE • RUN DisAggragate.BAT • @echo off • DISAG PHNT.PRM PHNT.MTH 10 • PAUSE • Copy PHNT000*.WTD to C:\WM2_Console • RUN ExportPHNT.BAT

  9. PROCEDURE • OPEN DSSAT35 • RUN WHEAT EXPERIMENT (ALL TREATMENT AT ONCE)

  10. YIELD ANALYSIS • From C:\DSSAT35\WHEAT • Copy PANT0601.WHS • Use YieldParse.BAT to parse the yield • Output file is yield.txt

  11. ANALYZE YIELD • Use RMSE3.BAT to analyze yield • Outputs RMSE.txt (appended file), StdY.txt, Bias.txt

  12. OUPUT WHEAT EXP FILE • PANT0601.WHS Mg/ha Year

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