Channel Network and Drainage Basins ta_channels ParameterRaster|DEM|Elevation|False ParameterNumber|THRESHOLD|Threshold|None|None|5.0 OutputRaster|DIRECTION|Flow Direction OutputRaster|CONNECTION|Flow Connectivity OutputRaster|ORDER|Strahler Order OutputRaster|BASIN|Drainage Basins OutputVector|SEGMENTS|Channels OutputVector|BASINS|Drainage Basins OutputVector|NODES|Junctions