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NAME

r.usler - Computes USLE R factor, Rainfall erosivity index.

KEYWORDS

raster, hydrology, rainfall, erosion

SYNOPSIS

r.usler
r.usler help
r.usler input=name output=name method=string [--overwrite] [--verbose] [--quiet]

Flags:

--overwrite
Allow output files to overwrite existing files
--verbose
Verbose module output
--quiet
Quiet module output

Parameters:

input=name
Name of annual precipitation raster map [mm/year]
output=name
Name for output USLE R raster map [MJ.mm/ha.hr.year]
method=string
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

TODO

SEE ALSO

r.uslek, r.watershed

AUTHORS

Natialia Medvedeva, SIC-ISDC, Ashgabat, Turkmenistan
Yann Chemin, SIC-ISDC, Ashgabat, Turkmenistan

Last changed: $Date: 2008/10/12 08:30:42 $


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