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COMMAND LINES for stochastic disaggregation. C:disag GATI.PRM GATI_rm.MTH 1000 disag –> the executable file GATI.PRM –> parameter file generated from WM-Windows GATI_rm.MTH -> file for monthly targets (e.g. rm – mean monthly rainfall) 1000 means a thousand realizations
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COMMAND LINES for stochastic disaggregation • C:\disag GATI.PRM GATI_rm.MTH 1000 • disag –> the executable file • GATI.PRM –> parameter file generated from WM-Windows • GATI_rm.MTH -> file for monthly targets (e.g. rm – mean monthly rainfall) • 1000 means a thousand realizations • C:\wmcmd GATI.CLI export GATI0001.wtd 0001 • wmcmd -> executable file for WM-DOS • GATI.CLI -> climate file generated from WM-DOS • export -> export utility command -> *.WTH format • GATI0001.WTD -> first realization from disag.exe • 0001 -> first four digits in the filename, e.g. 00017001.WTH
. . . *AVERAGES @ Mean JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC SRad 9.85 12.37 16.61 19.13 20.56 21.57 22.18 19.52 17.65 14.00 10.94 9.21 TMax 16.07 17.59 20.91 25.29 29.19 31.95 32.75 32.59 30.83 26.42 21.16 17.01 TMin 3.94 5.03 8.42 12.27 16.44 20.11 21.49 21.27 19.15 13.22 7.98 4.53 Rain 113.52 104.58 122.40 99.90 88.48 109.12 138.82 119.28 92.92 55.60 57.81 92.09 . . . *.PRM file *HIGH-FREQUENCY PARAMETERS @Param JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC TxMND 15.89 17.49 21.08 25.55 29.56 32.47 33.36 33.06 31.32 26.62 21.13 16.91 TxSDD 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 . . . *LOW-FREQUENCY PARAMETERS @Param JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC TxSDC 1.916 1.113 0.371 0.000 0.663 1.146 0.856 0.743 0.809 0.152 0.000 0.809 TnSDC 2.345 1.733 0.930 0.000 0.409 0.572 0.506 0.361 0.460 1.046 0.786 1.682 . . .
*.MTH file • @ StYr StMn SpYr SpMn • 1922 4 1999 6 • @ yr mo srad tmax tmin rain pw mui • 1922 4 -99.0 -99.0 -99.0 0.25 -99.0 -99.0 • 1922 5 -99.0 -99.0 -99.0 5.29 -99.0 -99.0 • 1922 6 -99.0 -99.0 -99.0 2.99 -99.0 -99.0 • 1922 7 -99.0 -99.0 -99.0 4.62 -99.0 -99.0 • 8 -99.0 -99.0 -99.0 1.87 -99.0 -99.0 • . • . • .
Sensitivity of yield RMSE and prediction skill Tifton, Georgia, USA