GRASS GIS manual: r.soillossbare

NAME

r.soillossbare - Calculates annual soil loss [t/(ha*a)] for bare soil. Use r.soillosscropland.py afterwards for grown soil.

KEYWORDS

erosion, raster, bare soil, potential soilloss

SYNOPSIS

r.soillossbare

r.soillossbare --help

r.soillossbare [-r] soillossbare=name flowaccmethod=name elevation=name resolution=float kfactor=name rfactor=name [fieldblock=name] [map=name] [flowacc=name] [constant_m=float] [constant_n=float] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

Flags:

-r: Remove intermediate results
--overwrite: Allow output files to overwrite existing files
--help: Print usage summary
--verbose: Verbose module output
--quiet: Quiet module output
--ui: Force launching GUI dialog

Parameters:

soillossbare=name [required]: Output map (soilloss for ungrown soil)
flowaccmethod=name [required]: Module for flowaccumulation calculation; Options: r.terraflow, r.flow, r.watershed; Default: r.terraflow
elevation=name [required]: Digital Elevation Model
resolution=float [required]: Resolution of Digital Elevation Model (x y); Default: 2
kfactor=name [required]: K-Factor (soil erodibility factor)
rfactor=name [required]: R-Factor (rain erosivity factor)
fieldblock=name: Fieldblock raster map with NULL/0-values as barrier
map=name: Fieldblock vector map
flowacc=name: Flowaccumulation raster map (instead of calculation)
constant_m=float: RUSLE3D exponential m (0.2..0.6); Default: 0.4
constant_n=float: RUSLE3D exponential n (1.2..1.6); Default: 1.3