Burn Stream Network into DEM ta_preprocessor ParameterRaster|DEM|DEM|False ParameterRaster|STREAM|Streams|False ParameterRaster|FLOWDIR|Flow direction|False ParameterSelection|METHOD|Method|[0] simply decrease cell's value by epsilon;[1] lower cell's value to neighbours minimum value minus epsilon;[2] trace stream network downstream ParameterNumber|EPSILON|Epsilon|0.0|None|1.0 OutputRaster|BURN|Processed DEM