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yan jiu sen lin bian hua dui he chuan shui sha ying xiang de yi zhong bian jie fang fa yi si chuan sheng du jiang yan shi bai sha he wei li
Pages: 97-101
Year: Issue:  1
Journal: Journal of Beijing Forestry University

Keyword:  airphotoesresources surveydydrological dataflow and sediment;
Abstract: A usefull method of how to get a quantitive relationship between forest changeand flow·sediment of river is discussed in this paper。According to airphoto discern,investigation of forest resource and hydrological data,watershed contrast with itself is efficient,andthe crux is to eliminate the effect of variation of annual rainfall on water and sediment.Thewav is fit for our countrv’s conditions with lower cost and rnore efficiency and worth spread-ing.
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