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
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.
Mitasova H, Mitas L, 1999. Modeling soil detachment with RUSLE 3d using GIS.
http://fatra.cnr.ncsu.edu/~hmitaso/gmslab/erosion/usle.html
r.soillosscropland
Martin Zbinden
SOURCE CODE
Available at:
r.soillossbare source code
(history)
Latest change: Monday Nov 11 18:04:48 2024 in commit: 59e289fdb093de6dd98d5827973e41128196887d
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