Based on the grid digital elevation model (DEM), a distributed water erosion prediction model for small watershed in loess plateau is established. The model is composed of hydrological component and erosion component. In the hydrological component, the processes of rainfall, interception, surface storage formed by micro-depression, infiltration, overland flow and channel flow are taken into account, and the implementation of runoff confluence calculation is carried out on the basis of kinetic wave theo...
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