Regional soil erosion model is a effective tool for regional soil erosion survey and policy-making of soil and water conservation.The development of soil erosion model is one of the hot issues in soil erosion prediction.Based on DEM the study region was divided into regular cells and models for runoff and sediment processes were designed.The sub-processes of interception,infiltration,surface storage,flow velocity,transport capacity,detachment,and deposition were considered in the regional soil erosion model...
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