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Chen Yaning. STUDY ON THE MODEL FOR PREDICTING SOIL EROSION AND ITS APPLICATION IN ARID AREA[J]. Chinese Geographical Science, 1999, 9(4): 373-376.
Citation: Chen Yaning. STUDY ON THE MODEL FOR PREDICTING SOIL EROSION AND ITS APPLICATION IN ARID AREA[J]. Chinese Geographical Science, 1999, 9(4): 373-376.
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STUDY ON THE MODEL FOR PREDICTING SOIL EROSION AND ITS APPLICATION IN ARID AREA

  • Xinjiang Institute of Ecology and Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China

  • Received Date: 1999-05-11
  • Publish Date: 1999-12-20
  • On the basis of analyzing the soil erosion factors in typical arid area basin, this article tries to build a model by using USLE (Universal Soil Loss Equation). The first step is to digitize the topographic map (1∶100000) and form the DEM (Digital Elevation Model), then use them to obtain necessary data of topographic factors. The second step is to get main elements causing soil erosion through using Main Element Analyzing Program. The third step is to systematically analyze all factors of soil erosion by applying Grey Dynamic Model and Fuzzy Mathematics, and then take GIS software to draw the colored map in the way that different colors present different intensities of soil erosion. At last the regional change of soil erosion amount on the basis of the color map is analyzed.
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STUDY ON THE MODEL FOR PREDICTING SOIL EROSION AND ITS APPLICATION IN ARID AREA

  • Xinjiang Institute of Ecology and Geography, the Chinese Academy of Sciences, Urumqi 830011, P. R. China
  • Received Date: 1999-05-11
  • Publish Date: 1999-12-20

Abstract: On the basis of analyzing the soil erosion factors in typical arid area basin, this article tries to build a model by using USLE (Universal Soil Loss Equation). The first step is to digitize the topographic map (1∶100000) and form the DEM (Digital Elevation Model), then use them to obtain necessary data of topographic factors. The second step is to get main elements causing soil erosion through using Main Element Analyzing Program. The third step is to systematically analyze all factors of soil erosion by applying Grey Dynamic Model and Fuzzy Mathematics, and then take GIS software to draw the colored map in the way that different colors present different intensities of soil erosion. At last the regional change of soil erosion amount on the basis of the color map is analyzed.

Chen Yaning. STUDY ON THE MODEL FOR PREDICTING SOIL EROSION AND ITS APPLICATION IN ARID AREA[J]. Chinese Geographical Science, 1999, 9(4): 373-376.
Citation: Chen Yaning. STUDY ON THE MODEL FOR PREDICTING SOIL EROSION AND ITS APPLICATION IN ARID AREA[J]. Chinese Geographical Science, 1999, 9(4): 373-376.
shu

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