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  Using Soil Erosion Modeling for Improved Conservation Planning: 
A GIS-based Tutorial

Troubleshooting

Flow accumulation map has many straight lines.

The most recent version of GRASS5 with easy to install binaries for Linux, Mac OS X and Windows can be used. Import the DEM into GRASS, run the command r.flow, and export the resulting flow accumulation map


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HOME                                                        H. Mitasova, et al.,  Geographic Modeling Systems Lab, UIUC