Based on the existing regional experi mental research result,observation data and research achievement on the cause of soil erosion,according to the soil erosion mechanismon the slope,the regional soil erosion process was analyzed in this paper.Combining with the space analysis function of the GIS,the regional soil erosion model design was conducted preliminarily.Moreover,the extraction method for the parameters of the model and its precision requirement were also put forward.Application result of the model...
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