diff --git a/vignettes/V05_Modelling_ungauged_nodes.Rmd b/vignettes/V05_Modelling_ungauged_nodes.Rmd index b81c4e438b20391ee2872126c610c77eb8c904f1..a707a1b26ccd6434493a4e95d0ffe6af606c7efe 100644 --- a/vignettes/V05_Modelling_ungauged_nodes.Rmd +++ b/vignettes/V05_Modelling_ungauged_nodes.Rmd @@ -23,7 +23,7 @@ knitr::opts_chunk$set( library(airGRiwrm) ``` -An *Ungauged* station is a virtual hydrometric station where no observed flows are +An *Ungauged* station is a virtual hydrometric station where no observed flows are available for calibration. ## Why modeling *Ungauged* station in a semi-distributed model? @@ -72,21 +72,21 @@ class id95,54002 UpGau ") ``` -Hydrological parameters at the ungauged nodes will be the same as the one at the -gauged node `54032` except for the unit hydrograph parameter which depend on the -area of the sub-basin. @lobligeoisMieuxConnaitreDistribution2014 provides the +Hydrological parameters at the ungauged nodes will be the same as the one at the +gauged node `54032` except for the unit hydrograph parameter which depend on the +area of the sub-basin. @lobligeoisMieuxConnaitreDistribution2014 provides the following conversion formula for this parameter: $$ x_{4i} = \left( \dfrac{S_i}{S_{BV}} \right) ^ {0.3} X_4 $$ -With $X_4$ the unit hydrograph parameter for the entire basin at `54032` which -as an area of $S_{BV}$; $S_i$ the area and $x_{4i}$ the parameter for the +With $X_4$ the unit hydrograph parameter for the entire basin at `54032` which +as an area of $S_{BV}$; $S_i$ the area and $x_{4i}$ the parameter for the sub-basin $i$. ## Using *Ungauged* stations in the airGRiwrm model -*Ungauged* stations are specified by using the model `"Ungauged"` in the `model` +*Ungauged* stations are specified by using the model `"Ungauged"` in the `model` column provided in the `CreateGRiwrm` function: ```{r griwrm} @@ -102,13 +102,13 @@ griwrmV05 ``` It should be noted that the `GRiwrm` object includes a column which automatically -define the first gauged station at downstream for each *Ungauged* node. -It is also possible to manually define the donor node of an *Ungauged* node, -which may be upstream or in a parallel sub-basin. Type `?CreateGRiwrm` for more +define the first gauged station at downstream for each *Ungauged* node. +It is also possible to manually define the donor node of an *Ungauged* node, +which may be upstream or in a parallel sub-basin. Type `?CreateGRiwrm` for more details. -On the following network scheme, the *Ungauged* nodes are clearer than gauged ones -with the same color (blue for upstream nodes and green for intermediate and +On the following network scheme, the *Ungauged* nodes are clearer than gauged ones +with the same color (blue for upstream nodes and green for intermediate and downstream nodes) ```{r plot_network}