Authors: original version L.Mitas, H.Mitasova
GRASS implementation J. Hofierka
see references in manual page or at:
http://www2.gis.uiuc.edu:2280/modviz/papers/listsj.html
r.sim.water
NAME
r.sim.water - Overland flow hydrologic model based on duality particle-field concept (SIMWE)
SYNOPSIS
r.sim.water
r.sim.water help
r.sim.water [-mt] elevin=string dxin=string dyin=string rain=string infil=string [traps=string] manin=string [sites=string] [depth=string] [disch=string] [err=string] [outwalk=string] [nwalk=integer] [niter=integer] [outiter=integer] [density=integer] [diffc=float] [hmax=float] [halpha=float] [hbeta=float]
Flags:
- -m
- Multiscale simulation
- -t
- Time-series (dynamic) output
Parameters:
- elevin=string
- Name of the elevation raster file
- dxin=string
- Name of the x-derivatives raster file
- dyin=string
- Name of the y-derivatives raster file
- rain=string
- Name of the rainfall excess raster file
- infil=string
- Name of the infiltration excess raster file
- traps=string
- Name of the flow control raster file
- manin=string
- Name of the Mannings n raster file
- sites=string
- Name of the site file with x,y locations
- depth=string
- Output water depth raster file
- disch=string
- Output water discharge raster file
- err=string
- Output simulation error raster file
- outwalk=string
- Name of the output walkers site file
- nwalk=integer
- Number of walkers
- Default: 2000000
- niter=integer
- Number of time iterations (sec.)
- Default: 1200
- outiter=integer
- Time step for saving output maps (sec.)
- Default: 300
- density=integer
- Density of output walkers
- Default: 200
- diffc=float
- Water diffusion constant
- Default: 0.8
- hmax=float
- Threshold water depth (diffusion increases after this water depth is reached)
- Default: 0.4
- halpha=float
- Diffusion increase constant
- Default: 4.0
- hbeta=float
- Weighting factor for water flow velocity vector
- Default: 0.5
Main index - raster index - Full index