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

Troubleshooting

Flow accumulation map has many straight lines.

This problem is restricted to the use of ArcView or ArcGIS flowacc module for computation of flow accumulation and is a consequence of the D8 flow routing algorithm that moves water only in 8 discrete directions.


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