r.usler.1grass man page

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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