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毛乌素沙地植被覆盖率与风蚀输沙率定量关系
黄富祥; 牛海山; 王明星; 王跃思; 丁国栋
Source Publication地理学报
2001
Issue6Pages:700-710
Keyword毛乌素沙地 风蚀 沙粒起动风速 输沙率 植被覆盖 有效植被覆盖率
Abstract基于毛乌素沙地不同植被覆盖条件下的风蚀输沙率实地观测数据,借鉴国外最新的建模思想,采用Matlab5.3软件对数据进行非线性回归,建立毛乌素沙地植被覆盖率与风蚀输沙率之间的定量关系模型,比较系统地考察了植被覆盖对沙粒起动风速和风蚀输沙率的影响,确定了不同风速下的有效植被覆盖率。结果表明,在毛乌素沙地要有效减少和防治风蚀,植被覆盖率必须达到40~50%的水平,而要保证在最高风速下风蚀输沙得到有效控制,植被覆盖率必须达到60~70%的水平。
Language中文
Document TypeCNKI期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/17616
Collection历年回溯文献
Recommended Citation
GB/T 7714
黄富祥,牛海山,王明星,等. 毛乌素沙地植被覆盖率与风蚀输沙率定量关系. 2001.
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