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r.usler

Computes USLE R factor, Rainfall erosivity index.

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

Example:

r.usler input=name output=name method=morgan

grass.script.run_command("r.usler", input, output, method="morgan", overwrite=False, verbose=False, quiet=False, superquiet=False)

Example:

gs.run_command("r.usler", input="name", output="name", method="morgan")

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
    Allowed values: roose, morgan, foster, elswaify
    Default: morgan
    roose: Roosle (1975)
    morgan: Morgan (1974)
    foster: Foster (1981)
    elswaify: El-Swaify (1985)
--overwrite
    Allow output files to overwrite existing files
--help
    Print usage summary
--verbose
    Verbose module output
--quiet
    Quiet module output
--qq
    Very quiet module output
--ui
    Force launching GUI dialog

input : str, required
    Name of annual precipitation raster map [mm/year]
    Used as: input, raster, name
output : str, required
    Name for output USLE R raster map [MJ.mm/ha.hr.year]
    Used as: output, raster, name
method : str, required
    Name of USLE R equation
    Allowed values: roose, morgan, foster, elswaify
    roose: Roosle (1975)
    morgan: Morgan (1974)
    foster: Foster (1981)
    elswaify: El-Swaify (1985)
    Default: morgan
overwrite: bool, optional
    Allow output files to overwrite existing files
    Default: False
verbose: bool, optional
    Verbose module output
    Default: False
quiet: bool, optional
    Quiet module output
    Default: False
superquiet: bool, optional
    Very quiet module output
    Default: False

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

SOURCE CODE

Available at: r.usler source code (history)
Latest change: Friday Feb 07 19:16:09 2025 in commit a82a39f