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《环境科学进展》 1999-05
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Ma xiujun (Department of resources and environmental sciense,Beijing Normal University, Beijing 100875) Xie kunqing (Information Science Center, Peking University, Beijing 100871)  
This paper introduced the PCRaster Dynamic Modeling Language, which is a specially developed programming language embedded in GIS. The Limburg Soil Erosion Model (LISEM) is a published example of this language, and it is a physically-based hydrological and soil erosion model on a catchment scale. The purpose of the study was to modeling soil erosion dynamic process of a single rainfall event for a catchment using PCRaster system and LISEM in Loess Plateau, China. The result indicated: that simulated total runoff and soil loss amount closed to the measured value; the simulated runoff process curve by Holtan equation is similar the measured. maps of soil erosion and deposition produced by the model can be used for quantitatively evaluating the spatial distribution of soil erosion or deposition, which is very helpful for soil conservation planning. This study provide a method to modeling soil erosion dynamic process in a GIS environment.
【Fund】: 国家杰出青年科学基金
【CateGory Index】: S157
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Chinese Journal Full-text Database 7 Hits
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