r.topmodel(1grass) | GRASS GIS User's Manual | r.topmodel(1grass) |
r.topmodel - Simulates TOPMODEL which is a physically based hydrologic model.
raster, hydrology, model
r.topmodel
r.topmodel --help
r.topmodel [-p] parameters=name
topidxstats=name input=name
output=name [timestep=integer]
[topidxclass=integer] [topidx=name]
[ntopidxclasses=integer] [outtopidxstats=name]
[--overwrite] [--help] [--verbose] [--quiet]
[--ui]
r.topmodel simulates TOPMODEL which is a physically based hydrologic model.
# Subcatchment name Subcatchment 1 ################################################################################ # A [m^2]: Total subcatchment area 3.31697E+07 ################################################################################ # qs0 [m/h]: Initial subsurface flow per unit area # "The first streamflow input is assumed to represent # only the subsurface flow contribution in the watershed." # - Liaw (1988) 0.000075 # lnTe [ln(m^2/h)]: Areal average of the soil surface transmissivity 4. # m [m]: Parameter controlling the decline rate of transmissivity # See Beven and Kirkby (1979) 0.0125 # Sr0 [m]: Initial root zone storage deficit 0.0025 # Srmax [m]: Maximum root zone storage deficit 0.041 # td [h]: Unsaturated zone time delay per unit storage deficit if greater than 0 # OR # -alpha: Effective vertical hydraulic gradient if not greater than 0. # # For example, -10 means alpha=10. 60. # vch [m/h]: Main channel routing velocity 20000. # vr [m/h]: Internal subcatchment routing velocity 10000. ################################################################################ # infex: Calculate infiltration excess if not zero (integer) 0 # K0 [m/h]: Surface hydraulic conductivity 2. # psi [m]: Wetting front suction 0.1 # dtheta: Water content change across the wetting front 0.1 ################################################################################ # d [m]: Distance from the catchment outlet # The first value should be the mainstream distance from # the subcatchment outlet to the catchment outlet. # Ad_r: Cumulative area ratio of subcatchment (0.0 to 1.0) # The first and last values should be 0 and 1, respectively. # d Ad_r
0 0.0
1000 0.2
2000 0.4
3000 0.6
4000 0.8
5000 1.0
# dt [h]: Time step 24 ################################################################################ # R [m/dt]: Rainfall # Ep [m/dt]: Potential evapotranspiration # R Ep 0.000033 0.000000 0.000053 0.011938 0.004821 0.000000 . . .
r.fill.dir, r.mapcalc, r.topidx
How to run r.topmodel
Huidae Cho, Hydro Laboratory, Kyungpook National University, South Korea
Based on TMOD9502.FOR by Keith Beven.
Available at: r.topmodel source code (history)
Accessed: Sunday Jan 22 07:36:37 2023
Main index | Raster index | Topics index | Keywords index | Graphical index | Full index
© 2003-2023 GRASS Development Team, GRASS GIS 8.2.1 Reference Manual
GRASS 8.2.1 |