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Channel network from DEM of a river has unusual linear lines

So I needed to obtain channel network, basins, flow direction, etc. I downloaded aster_DEM from usgs, clipped it to an extent, warped it to UTM projection, then filled the sinks using Wang and Liu ...
SHAISHAV ACHARYA's user avatar
7 votes
2 answers
2k views

Compute flow accumulation only from flow direction?

I am looking to calculate flow accumulation from a flow direction raster. In ArcGIS there is Flow Accumulation (http://desktop.arcgis.com/en/arcmap/10.3/tools/spatial-analyst-toolbox/flow-accumulation....
Guido A. Herrera's user avatar