Hello all! I'm making use of the flow accumulation grid in GRASS 6.4.5 generated from r.watershed using the SFD (D8) flow algorithm. The DEM has a 250m spatial resolution. What I'm getting is a break in the flow accumulation in a few locations which is causing me serious problems with subsequent processing (with help from some here, I have put together some scripting to generate a pixel connectivity file for a distributed hydrologic model).
Besides going to a higher resolution DEM, are there any thoughts as to how I can eliminate these flow accumulation breaks? Thank you, Tom --
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