AnnAGNPS-Rusle sheet rill erosion

摘要

This paper describes the design modifications to the Revised Universal Soil Loss Equation (RUSLE) to simplify and enhance its inclusion in the multi-cell continuous imulation model AnnAGNPS. These modifications include the: (a) ability to prpocess multiple cells; (b) elimination of redundant calcuations for cells with identical field management and soil conditions; (c) ability for contours and mechanical disturbances ot rotate on non-cropland landuses; (d) calcualtion of sediment delivery ratio to the edge of the field for every cell; and (e) erosion modifications for frozen soil conditions.