| 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: Monday Apr 01 03:08:05 2024
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