Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.
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 soillossSYNOPSIS
r.soillossbare
r.soillossbare --helpr.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
Table of contents
DESCRIPTION
r.soillossbare calculates the annual soil loss [t/(ha*a)] for bare soil. Generates a "out_soillossbare" raster map and intermediate results.Also use r.soillosscropland afterwards for grown soil.
REFERENCES
Mitasova H, Mitas L, 1999. Modeling soil detachment with RUSLE 3d using GIS. http://www4.ncsu.edu/~hmitaso/gmslab/erosion/usle.htmlSEE ALSO
r.soillosscroplandAUTHOR
Martin ZbindenSOURCE CODE
Available at: r.soillossbare source code (history)
Latest change: Mon Jun 28 07:54:09 2021 in commit: 1cfc0af029a35a5d6c7dae5ca7204d0eb85dbc55
Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.
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