r.usler (1)
NAME
r.usler - Computes USLE R factor, Rainfall erosivity index.
KEYWORDS
raster, hydrology, rainfall, soil, erosion
SYNOPSIS
r.usler
r.usler --help
r.usler input=name output=name method=string [--overwrite] [--help] [--verbose] [--quiet] [--ui]
Flags:
--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:
input=name [required]
Name of annual precipitation raster map [mm/year]
output=name [required]
Name for output USLE R raster map [MJ.mm/ha.hr.year]
method=string [required]
Name of USLE R equation
Options: roose, morgan, foster, elswaify
Default: morgan
roose: Roosle (1975)
morgan: Morgan (1974)
foster: Foster (1981)
elswaify: El-Swaify (1985)
DESCRIPTION
r.usler calculates USLE R factor for Rainfall erosivity. It enables several empirical equations: Roosle (1975), Morgan (1974), Foster(1981) and El-Swaify (1985).
NOTES
r.watershed provides for USLE L, S, LS factors.
EXAMPLE
TBD.
SEE ALSO
r.uslek, r.watershed
AUTHORS
Natialia Medvedeva, SIC-ISDC, Ashgabat, Turkmenistan
Yann Chemin, SIC-ISDC, Ashgabat, Turkmenistan
Last changed: $Date: 2014-11-24 18:22:45 +0100 (Mon, 24 Nov 2014) $
SOURCE CODE
Available at: r.usler source code (history)
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2003-2017 GRASS Development Team, GRASS GIS 7.2.1 Reference Manual