example_Calibration_Michel.R

## load of catchment data
require(airGR)
data(L0123001)

## preparation of InputsModel object
InputsModel <- CreateInputsModel(FUN_MOD=RunModel_GR4J,DatesR=BasinObs$DatesR,
                                 Precip=BasinObs$P,PotEvap=BasinObs$E)

## calibration period selection
Ind_Run <- seq(which(format(BasinObs$DatesR,format="%d/%m/%Y %H:%M")=="01/01/1990 00:00"),
               which(format(BasinObs$DatesR,format="%d/%m/%Y %H:%M")=="31/12/1999 00:00"))

## preparation of RunOptions object
RunOptions <- CreateRunOptions(FUN_MOD=RunModel_GR4J,InputsModel=InputsModel,IndPeriod_Run=Ind_Run)

## calibration criterion: preparation of the InputsCrit object
InputsCrit <- CreateInputsCrit(FUN_CRIT=ErrorCrit_NSE,InputsModel=InputsModel,
                               RunOptions=RunOptions,Qobs=BasinObs$Qmm[Ind_Run])

## preparation of CalibOptions object
CalibOptions <- CreateCalibOptions(FUN_MOD=RunModel_GR4J,FUN_CALIB=Calibration_Michel)

## calibration
OutputsCalib <- Calibration_Michel(InputsModel=InputsModel,RunOptions=RunOptions,
                                 InputsCrit=InputsCrit,CalibOptions=CalibOptions,
                                 FUN_MOD=RunModel_GR4J,FUN_CRIT=ErrorCrit_NSE)

## simulation
Param <- OutputsCalib$ParamFinalR
OutputsModel <- RunModel_GR4J(InputsModel=InputsModel,RunOptions=RunOptions,Param=Param)

## results preview
plot_OutputsModel(OutputsModel=OutputsModel,Qobs=BasinObs$Qmm[Ind_Run])

## efficiency criterion: Nash-Sutcliffe Efficiency
InputsCrit  <- CreateInputsCrit(FUN_CRIT=ErrorCrit_NSE,InputsModel=InputsModel,
                                RunOptions=RunOptions,Qobs=BasinObs$Qmm[Ind_Run])
OutputsCrit <- ErrorCrit_NSE(InputsCrit=InputsCrit,OutputsModel=OutputsModel)
cat(paste("  Crit  ",OutputsCrit$CritName,"  ",round(OutputsCrit$CritValue,4),"\n",sep=""))

## efficiency criterion: Kling-Gupta Efficiency
InputsCrit  <- CreateInputsCrit(FUN_CRIT=ErrorCrit_KGE,InputsModel=InputsModel,
                                RunOptions=RunOptions,Qobs=BasinObs$Qmm[Ind_Run])
OutputsCrit <- ErrorCrit_KGE(InputsCrit=InputsCrit,OutputsModel=OutputsModel)
cat(paste("  Crit  ",OutputsCrit$CritName,"  ",round(OutputsCrit$CritValue,4),"\n",sep=""))