Forked from HYCAR-Hydro / airGR
Source project has a limited visibility.
RunModel_Lag.Rd 4.41 KiB
\encoding{UTF-8}
\name{RunModel_Lag}
\alias{RunModel_Lag}
\title{Run with the Lag model}
\description{
Function which performs a single run for the Lag model over the test period.
\usage{
RunModel_Lag(InputsModel, RunOptions, Param, QcontribDown)
\arguments{
  \item{InputsModel}{[object of class \emph{InputsModel}] created with SD model inputs, see \code{\link{CreateInputsModel}} for details. The object should also contain a key \emph{OutputsModel} of class \code{\link{CreateInputsModel}} coming from the simulation of the downstream subcatchment runoff.}
  \item{RunOptions}{[object of class \emph{RunOptions}] see \code{\link{CreateRunOptions}} for details}
  \item{Param}{[numeric] vector of 1 parameter
    \tabular{ll}{
      Velocity \tab mean flow velocity [m/s]
  \item{QcontribDown}{[numeric] vector or [OutputsModel] containing the time series of the runoff contribution of the downstream sub-basin}
\value{
[list] see \code{\link{RunModel_GR4J}} or \code{\link{RunModel_CemaNeigeGR4J}} for details.
The list value contains an extra item named \code{QsimDown} which is a copy of the runoff contribution of the downstream sub-basin contained in argument \code{QcontribDown} in [mm/time step].
\examples{
#####################################################################
## Simulation of a reservoir with a purpose of low-flow mitigation ##
#####################################################################
## ---- preparation of the InputsModel object
## loading package and catchment data
library(airGR)
data(L0123001)
## ---- simulation of the hydrological catchment with GR4J
InputsModelDown <- CreateInputsModel(FUN_MOD = RunModel_GR4J, DatesR = BasinObs$DatesR,
                                     Precip = BasinObs$P, PotEvap = BasinObs$E)
## run period selection
Ind_Run <- seq(which(format(BasinObs$DatesR, format = "\%Y-\%m-\%d")=="1990-01-01"),
               which(format(BasinObs$DatesR, format = "\%Y-\%m-\%d")=="1999-12-31"))
## creation of the RunOptions object
RunOptionsDown <- CreateRunOptions(FUN_MOD = RunModel_GR4J,
                                   InputsModel = InputsModelDown, IndPeriod_Run = Ind_Run)
## simulation of the runoff of the catchment with a GR4J model
Param <- c(X1 = 257.238, X2 = 1.012, X3 = 88.235, X4 = 2.208)
OutputsModelDown <- RunModel_GR4J(InputsModel = InputsModelDown,
                                  RunOptions = RunOptionsDown, Param = Param)
7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123
## ---- specifications of the reservoir ## the reservoir withdraws 1 m3/s when it's possible considering the flow observed in the basin Qupstream <- matrix(-sapply(BasinObs$Qls / 1000 - 1, function(x) { min(1, max(0, x, na.rm = TRUE)) }), ncol = 1) ## except between July and September when the reservoir releases 3 m3/s for low-flow mitigation month <- as.numeric(format(BasinObs$DatesR, "\%m")) Qupstream[month >= 7 & month <= 9] <- 3 Qupstream <- Qupstream * 86400 ## Conversion in m3/day ## the reservoir is not an upstream subcachment: its areas is NA BasinAreas <- c(NA, BasinInfo$BasinArea) ## delay time between the reservoir and the catchment outlet is 2 days and the distance is 150 km LengthHydro <- 150 ## ---- simulation of the basin with the reservoir influence InputsModelInf <- CreateInputsModel(FUN_MOD = RunModel_GR4J, DatesR = BasinObs$DatesR, Precip = BasinObs$P, PotEvap = BasinObs$E, Qupstream = Qupstream, LengthHydro = LengthHydro, BasinAreas = BasinAreas) ## creation of the RunOptions object RunOptions <- CreateRunOptions(FUN_MOD = RunModel_GR4J, InputsModel = InputsModelInf, IndPeriod_Run = Ind_Run) ## with a delay of 2 days for 150 km, the flow velocity is 75 km per day Velocity <- (LengthHydro * 1e3 / 2) / (24 * 60 * 60) ## Conversion km/day -> m/s ## run the lag model which routes precipitation-runoff model and upstream flows OutputsModel <- RunModel_Lag(InputsModel = InputsModelInf, RunOptions = RunOptions, Param = Velocity, QcontribDown = OutputsModelDown) ## results preview of comparison between naturalised (observed) and influenced flow (simulated) plot(OutputsModel, Qobs = OutputsModel$QsimDown) } \author{ Olivier Delaigue, David Dorchies, Guillaume Thirel } \seealso{ \code{\link{RunModel}}, \code{\link{CreateInputsModel}}, \code{\link{CreateRunOptions}}. }