SAGA Wetness Index
ta_hydrology
ParameterRaster|DEM|Elevation|False
ParameterNumber|SUCTION|Suction|0.0|None|10.0
ParameterSelection|AREA_TYPE|Type of Area|[0] absolute catchment area;[1] square root of catchment area;[2] specific catchment area
ParameterSelection|SLOPE_TYPE|Type of Slope|[0] local slope;[1] catchment slope
ParameterNumber|SLOPE_MIN|Suction|0.0|None|0.0
ParameterNumber|SLOPE_OFF|Suction|0.0|None|0.1
ParameterNumber|SLOPE_WEIGHT|Suction|0.0|None|1.0
OutputRaster|AREA|Catchment area
OutputRaster|SLOPE|Catchment slope
OutputRaster|AREA_MOD|Modified catchment area
OutputRaster|TWI|Topographic Wetness Index