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Fractal Characteristics of Spatial Structure of Soil Erosion in Dianchi Basin

DING Jian-hong1,XIE Fei-fan2,CHEN Li1(1.Yunnan Institute of Water Resources and Hydropower Research,Kunming,Yunnan 650228,China;2.Yunnan Normal University,Kunming,Yunnan 650000,China)  
The paper calculates the fractal parameters of spatial structure of soil erosion of Dianchi basin and analyzes its fractal characteristics by using GIS technology combining with fractal theory.The outcomes show that a) the fractal characteristics of spatial structure of soil erosion of Dianchi basin objectively exist and the complicated degree of spot shape of soil erosion in different intensity is different,of which,light erosion medium erosion extreme intensive erosion intensive erosion strenuous erosion;b) the stability of spatial structure of soil erosion decreases at the beginning and then increases later along with the increase of erosion intensity;c) the compactness of spatial structure of each soil erosion intensity is in range of 0.600~0.630 and the aggregation of spots have slightly different because of the influence of human activities.
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