r.watershed
Watershed basin analysis program.
Raster (r.*)
QgsProcessingParameterRasterLayer|elevation|Elevation|None|False
QgsProcessingParameterRasterLayer|depression|Locations of real depressions|None|True
QgsProcessingParameterRasterLayer|flow|Amount of overland flow per cell|None|True
QgsProcessingParameterRasterLayer|disturbed_land|Percent of disturbed land, for USLE|None|True
QgsProcessingParameterRasterLayer|blocking|Terrain blocking overland surface flow, for USLE|None|True
QgsProcessingParameterNumber|threshold|Minimum size of exterior watershed basin|QgsProcessingParameterNumber.Integer|None|True|None|None
QgsProcessingParameterNumber|max_slope_length|Maximum length of surface flow, for USLE|QgsProcessingParameterNumber.Double|None|True|None|None
QgsProcessingParameterNumber|convergence|Convergence factor for MFD (1-10)|QgsProcessingParameterNumber.Integer|5|True|1|10
QgsProcessingParameterNumber|memory|Maximum memory to be used with -m flag (in MB)|QgsProcessingParameterNumber.Integer|300|True|1|None
QgsProcessingParameterBoolean|-s|Enable Single Flow Direction (D8) flow (default is Multiple Flow Direction)|False
QgsProcessingParameterBoolean|-m|Enable disk swap memory option (-m): Operation is slow|False
QgsProcessingParameterBoolean|-4|Allow only horizontal and vertical flow of water|False
QgsProcessingParameterBoolean|-a|Use positive flow accumulation even for likely underestimates|False
QgsProcessingParameterBoolean|-b|Beautify flat areas|False
QgsProcessingParameterRasterDestination|accumulation|Number of cells that drain through each cell
QgsProcessingParameterRasterDestination|drainage|Drainage direction
QgsProcessingParameterRasterDestination|basin|Unique label for each watershed basin
QgsProcessingParameterRasterDestination|stream|Stream segments
QgsProcessingParameterRasterDestination|half_basin|Half-basins
QgsProcessingParameterRasterDestination|length_slope|Slope length and steepness (LS) factor for USLE
QgsProcessingParameterRasterDestination|slope_steepness|Slope steepness (S) factor for USLE
QgsProcessingParameterRasterDestination|tci|Topographic index ln(a / tan(b))
QgsProcessingParameterRasterDestination|spi|Stream power index a * tan(b)