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《Yellow River》 1992-05
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Analysis on Fact of Reduced Coming Sediment from the Middle Yellow River in 1980's

Zhang Shengli et al. (Hydraulic Research Institute of YRCC, Zhengzhou, 450003)  
The volume of sediment in the middle Yellow River had been reduced in 1980's. The main reasons of that are less precipitation, small rainfall in tensity and the function of comprehensive management of watersheds. According to the analysis, the sediment was reduced 70% of the total sediment reduced by precipitation and 30% by comprehensive management of watersheds.
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