\encoding{UTF-8}
\name{RunModel_CemaNeigeGR6J}
\alias{RunModel_CemaNeigeGR6J}
\title{Run with the CemaNeigeGR6J hydrological model}
\description{
Function which performs a single run for the CemaNeige-GR6J daily lumped model.
}
\usage{
RunModel_CemaNeigeGR6J(InputsModel, RunOptions, Param)
}
\arguments{
\item{InputsModel}{[object of class \emph{InputsModel}] see \code{\link{CreateInputsModel}} for details}
\item{RunOptions}{[object of class \emph{RunOptions}] see \code{\link{CreateRunOptions}} for details}
\item{Param}{[numeric] vector of 8 (or 10 parameters if \code{IsHyst = TRUE}, see \code{\link{CreateRunOptions}} for details)
\tabular{ll}{
GR6J X1 \tab production store capacity [mm] \cr
GR6J X2 \tab intercatchment exchange coefficient [mm/d] \cr
GR6J X3 \tab routing store capacity [mm] \cr
GR6J X4 \tab unit hydrograph time constant [d] \cr
GR6J X5 \tab intercatchment exchange threshold [-] \cr
GR6J X6 \tab exponential store depletion coefficient [mm] \cr
CemaNeige X1 \tab weighting coefficient for snow pack thermal state [-] \cr
CemaNeige X2 \tab degree-day melt coefficient [mm/°C/d] \cr
CemaNeige X3 \tab (optional) accumulation threshold [mm] (needed if \code{IsHyst = TRUE}) \cr
CemaNeige X4 \tab (optional) percentage (between 0 and 1) of annual snowfall defining the melt threshold [-] (needed if \code{IsHyst = TRUE})\cr
}}
}
\value{
[list] containing the function outputs organised as follows:
\tabular{ll}{
\emph{$DatesR } \tab [POSIXlt] series of dates \cr
\emph{$PotEvap } \tab [numeric] series of input potential evapotranspiration (E) [mm/d] \cr
\emph{$Precip } \tab [numeric] series of input total precipitation (P) [mm/d] \cr
\emph{$Prod } \tab [numeric] series of production store level (S) [mm] \cr
\emph{$Pn } \tab [numeric] series of net rainfall (Pn) [mm/d] \cr
\emph{$Ps } \tab [numeric] series of the part of Pn filling the production store (Ps) [mm/d] \cr
\emph{$AE } \tab [numeric] series of actual evapotranspiration [mm/d] \cr
\emph{$Perc } \tab [numeric] series of percolation (Perc) [mm/d] \cr
\emph{$PR } \tab [numeric] series of Pr=Pn-Ps+Perc (Pr) [mm/d] \cr
\emph{$Q9 } \tab [numeric] series of UH1 outflow (Q9) [mm/d] \cr
\emph{$Q1 } \tab [numeric] series of UH2 outflow (Q1) [mm/d] \cr
\emph{$Rout } \tab [numeric] series of routing store level (R1) [mm] \cr
\emph{$Exch } \tab [numeric] series of potential semi-exchange between catchments [mm/d] \cr
\emph{$AExch1 } \tab [numeric] series of actual exchange between catchments for branch 1 [mm/d] \cr
\emph{$AExch2 } \tab [numeric] series of actual exchange between catchments for branch 2 [mm/d] \cr
\emph{$AExch } \tab [numeric] series of actual exchange between catchments (AExch1+AExch2) [mm/d] \cr
\emph{$QR } \tab [numeric] series of routing store outflow (Qr) [mm/d] \cr
\emph{$QRExp } \tab [numeric] series of exponential store outflow (QrExp) [mm/d] \cr
\emph{$Exp } \tab [numeric] series of exponential store level (negative) (R2) [mm] \cr
\emph{$QD } \tab [numeric] series of direct flow from UH2 after exchange (Qd) [mm/d] \cr
\emph{$Qsim } \tab [numeric] series of simulated discharge (Q) [mm/d] \cr
\emph{$CemaNeigeLayers} \tab [list] CemaNeige outputs (1 element per layer) \cr
\emph{$CemaNeigeLayers[[iLayer]]$Pliq } \tab [numeric] series of liquid precip. [mm/d] \cr
\emph{$CemaNeigeLayers[[iLayer]]$Psol } \tab [numeric] series of solid precip. [mm/d] \cr
\emph{$CemaNeigeLayers[[iLayer]]$SnowPack } \tab [numeric] series of snow pack (snow water equivalent) [mm] \cr
\emph{$CemaNeigeLayers[[iLayer]]$ThermalState} \tab [numeric] series of snow pack thermal state [°C] \cr
\emph{$CemaNeigeLayers[[iLayer]]$Gratio } \tab [numeric] series of Gratio [0-1] \cr
\emph{$CemaNeigeLayers[[iLayer]]$PotMelt } \tab [numeric] series of potential snow melt [mm/d] \cr
\emph{$CemaNeigeLayers[[iLayer]]$Melt } \tab [numeric] series of actual snow melt [mm/d] \cr
\emph{$CemaNeigeLayers[[iLayer]]$PliqAndMelt } \tab [numeric] series of liquid precip. + actual snow melt [mm/d] \cr
\emph{$CemaNeigeLayers[[iLayer]]$Temp } \tab [numeric] series of air temperature [°C] \cr
\emph{$CemaNeigeLayers[[iLayer]]$Gthreshold } \tab [numeric] series of melt threshold [mm] \cr
\emph{$CemaNeigeLayers[[iLayer]]$Glocalmax } \tab [numeric] series of local melt threshold for hysteresis [mm] \cr
\emph{RunOptions$WarmUpQsim} \tab [numeric] series of simulated discharge (Q) on the warm-up period [mm/d] \cr
\emph{RunOptions$Param } \tab [numeric] parameter set parameter set used by the model \cr
\emph{$StateEnd} \tab [numeric] states at the end of the run: store & unit hydrographs levels [mm], CemaNeige states [mm & °C]. See \code{\link{CreateIniStates}} for more details \cr
}
Refer to the provided references or to the package source code for further details on these model outputs
}
\details{
The choice of the CemaNeige version is explained in \code{\link{CreateRunOptions}}. \cr
For further details on the model, see the references section. \cr
For further details on the argument structures and initialisation options, see \code{\link{CreateRunOptions}}.
\cr
\cr
See \code{\link{RunModel_GR6J}} to look at the diagram of the hydrological model.
}
\examples{
library(airGR)
## loading catchment data
data(L0123002)
## preparation of the InputsModel object
InputsModel <- CreateInputsModel(FUN_MOD = RunModel_CemaNeigeGR6J, DatesR = BasinObs$DatesR,
Precip = BasinObs$P, PotEvap = BasinObs$E, TempMean = BasinObs$T,
ZInputs = median(BasinInfo$HypsoData),
HypsoData = BasinInfo$HypsoData, NLayers = 5)
## run period selection
Ind_Run <- seq(which(format(BasinObs$DatesR, format = "\%Y-\%m-\%d")=="1990-01-01"),
which(format(BasinObs$DatesR, format = "\%Y-\%m-\%d")=="1999-12-31"))
## --- original version of CemaNeige
## preparation of the RunOptions object
RunOptions <- CreateRunOptions(FUN_MOD = RunModel_CemaNeigeGR6J, InputsModel = InputsModel,
IndPeriod_Run = Ind_Run)
## simulation
Param <- c(X1 = 116.482, X2 = 0.500, X3 = 72.733, X4 = 1.224, X5 = 0.278, X6 = 30.333,
CNX1 = 0.977, CNX2 = 2.776)
OutputsModel <- RunModel_CemaNeigeGR6J(InputsModel = InputsModel,
RunOptions = RunOptions, Param = Param)
## results preview
plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
## efficiency criterion: Nash-Sutcliffe Efficiency
InputsCrit <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel,
RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
## --- version of CemaNeige with the Linear Hysteresis
## preparation of the RunOptions object
RunOptions <- CreateRunOptions(FUN_MOD = RunModel_CemaNeigeGR6J, InputsModel = InputsModel,
IndPeriod_Run = Ind_Run, IsHyst = TRUE)
## simulation
Param <- c(X1 = 116.482, X2 = 0.500, X3 = 72.733, X4 = 1.224, X5 = 0.278, X6 = 30.333,
CNX1 = 0.977, CNX2 = 2.774, CNX3 = 100, CNX4 = 0.4)
OutputsModel <- RunModel_CemaNeigeGR6J(InputsModel = InputsModel,
RunOptions = RunOptions, Param = Param)
## results preview
plot(OutputsModel, Qobs = BasinObs$Qmm[Ind_Run])
## efficiency criterion: Nash-Sutcliffe Efficiency
InputsCrit <- CreateInputsCrit(FUN_CRIT = ErrorCrit_NSE, InputsModel = InputsModel,
RunOptions = RunOptions, Obs = BasinObs$Qmm[Ind_Run])
OutputsCrit <- ErrorCrit_NSE(InputsCrit = InputsCrit, OutputsModel = OutputsModel)
}
\author{
Laurent Coron, Claude Michel, Charles Perrin, Raji Pushpalatha, Nicolas Le Moine, Audrey Valéry, Vazken Andréassian, Olivier Delaigue, Guillaume Thirel
}
\references{
Pushpalatha, R., Perrin, C., Le Moine, N., Mathevet, T. and Andréassian, V. (2011).
A downward structural sensitivity analysis of hydrological models to improve low-flow simulation.
Journal of Hydrology, 411(1-2), 66-76, \doi{10.1016/j.jhydrol.2011.09.034}.
\cr\cr
Riboust, P., Thirel, G., Le Moine, N. and Ribstein, P. (2019).
Revisiting a simple degree-day model for integrating satellite data: Implementation of SWE-SCA hystereses.
Journal of Hydrology and Hydromechanics, 67(1), 70–81, \doi{10.2478/johh-2018-0004}.
\cr\cr
Valéry, A., Andréassian, V. and Perrin, C. (2014).
"As simple as possible but not simpler": What is useful in a temperature-based snow-accounting routine?
Part 1 - Comparison of six snow accounting routines on 380 catchments.
Journal of Hydrology, 517(0), 1166-1175, \doi{10.1016/j.jhydrol.2014.04.059}.
\cr\cr
Valéry, A., Andréassian, V. and Perrin, C. (2014).
"As simple as possible but not simpler": What is useful in a temperature-based snow-accounting routine?
Part 2 - Sensitivity analysis of the Cemaneige snow accounting routine on 380 catchments.
Journal of Hydrology, 517(0), 1176-1187, \doi{10.1016/j.jhydrol.2014.04.058}.
}
\seealso{
\code{\link{RunModel_CemaNeige}}, \code{\link{RunModel_CemaNeigeGR4J}},
\code{\link{RunModel_CemaNeigeGR5J}}, \code{\link{RunModel_GR6J}},
\code{\link{CreateInputsModel}}, \code{\link{CreateRunOptions}}.
}