These parameter sets can be used for the grid-screening calibration procedure.
These parameter sets can be used for the grid-screening calibration procedure (i.e. first step in \code{\link{Calibration_Michel}}).
Please NOTE that the given GR4J X4u variable does not correspond to the actual GR4J X4 parameter.
Please note that the given GR4J X4u variable does not correspond to the actual GR4J X4 parameter.
As explained in Andréassian \emph{et al.} (2014; section 2.1), the given GR4J X4u value has to be adjusted (rescaled) using catchment area (S) [km2] as follows: {X4 = X4u * S^0.3}.
As explained in Andréassian \emph{et al.} (2014; section 2.1), the given GR4J X4u value has to be adjusted (rescaled) using catchment area (S) [km2] as follows: {X4 = X4u * S^0.3}.