GRASS logo

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)

Table of contents

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 09:22:45 -0800 (Mon, 24 Nov 2014) $

SOURCE CODE

Available at: r.usler source code (history)


Main index | Raster index | Topics index | Keywords index | Graphical index | Full index

© 2003-2018 GRASS Development Team, GRASS GIS 7.5.svn Reference Manual