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r.watershed
r.watershed - Watershed basin analysis program.
Raster (r.*)
ParameterRaster|elevation|Elevation|False
ParameterRaster|depression|Locations of real depressions|True
ParameterRaster|flow|Amount of overland flow per cell|True
ParameterRaster|disturbed_land|Percent of disturbed land, for USLE|True
ParameterRaster|blocking|Terrain blocking overland surface flow, for USLE|True
ParameterNumber|threshold|Minimum size of exterior watershed basin|None|None|0
ParameterNumber|max_slope_length|Maximum length of surface flow, for USLE|None|None|0
ParameterBoolean|-4|Allow only horizontal and vertical flow of water|False
ParameterBoolean|-b|Beautify flat areas|False
OutputRaster|accumulation|Number of cells that drain through each cell
OutputRaster|drainage|Drainage direction
OutputRaster|basin|Unique label for each watershed basin
OutputRaster|stream|Stream segments
OutputRaster|half_basin|Half-basins output layer
OutputRaster|visual|Visual display output layer
OutputRaster|length_slope|Slope length and steepness (LS) factor for USLE
OutputRaster|slope_steepness|Slope steepness (S) factor for USLE
OutputRaster|tci|Topographic index ln(a / tan(b))
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