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Soil Erosion Model and Simulation of Degraded Grassland of Alpine Meadow in Sanjiangyuan Region
Author(s): 
Pages: 26-30
Year: Issue:  7
Journal: Environmental Science and Management

Keyword:  高寒草甸退化草地土壤侵蚀模型模拟;
Abstract: 探讨三江源区高寒草甸退化草地土壤侵蚀模型的建立方法并利用模型对土壤侵蚀进行模拟.通过构建NetLogo模型,模拟了研究区3年时限土壤侵蚀面积的变化,表现为随时间的延续侵蚀面积增大,模拟结果与实测结果间未达极显著差异(P>0.01).以研究区当前土壤侵蚀现状为初始状态,模拟单位草地面积上侵蚀比例达100%时经历的年限,则坡地中度退化、坡地重度退化、滩地中度退化、滩地重度退化样地经历的年限分别为27.10±0.23 a、13.83±0.40 a、32.03±0.29 a、25.70±0.30 a.
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