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Optimization of revised universal soil loss equation of ecological forest lands in the hilly areas of the eastern Zhejiang Province

Ran Wang  Jijiang Chen  Gang Li  Yefeng Zou  Fangchun Lu  Xijiong Zhou  
【摘要】:The soil erosion prediction model is an effective means to predict soil erosion and soil and water conservation planning.Based on the analysis of soil erosion law of typical economic forest slopes in the study area,it is of great significance to establish a prediction model for soil loss in typical economic forests in the study area.In this study,five typical economic forest slope runoff plots in the study area were used as research objects.The runoff and sediment data under natural rainfall conditions were used to optimize the universal soil loss equation.The prediction equation for soil and water loss in the hilly areas of the eastern Zhejiang Province was proposed:A=0.004·R~(1.594)-K-LS-C·P.The Nash efficiency coefficients of the simulation results are above 0.70,and the coefficients of determination are above 0.80.

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