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Position: Home > Articles > Effects of Water Conservancy and Soil Conservation Measures in the Zhangjiakou Prefecture in Yongdinghe River Basin on Reducing Sedimentation in the Guanting Reservoir Soil and Water Conservation in China 1992 (10)

张家口地区永定河流域水利、水保措施对减少官厅水库泥沙淤积的作用

作者：

郑宝丰

单位：

河北省张家口地区水利水保局

关键词：

官厅水库;泥沙淤积;水利工程;水土保持;减沙效益;张家口地区;永定河流域

摘要：

永定河是我国居第二位的多泥沙河流。1953年官厅水库蓄水运用后,至1990年底止已淤积泥沙6亿多m~3。淤积变化的情况是:1953～1959年淤积3.43亿m~3,1960～1969年淤积1.53亿m~3,1970～1979年淤积0.9亿m~3,1980～1989年淤积0.47亿m~3。官厅水库泥沙淤积逐年减少,主要是上游水利、水保措施发挥了显著的减沙作用。据分析,1958年以来上游兴建的299座支流水库,拦截泥沙2.73亿m~3;区内引洪淤灌拦沙4亿m~3;支流控制性水库以下水土保持治理措施面积4500km~2,共减少泥沙流失1.56亿t。

译名：

Effects of Water Conservancy and Soil Conservation Measures in the Zhangjiakou Prefecture in Yongdinghe River Basin on Reducing Sedimentation in the Guanting Reservoir

作者：

Zheng Baofeng (Zhangjiakou Prefecture Water Conservancy and Soil and Water Conservation Bureau, Hebei Province)

关键词：

Guanting reservoir sedimentation water conservancy project soil and water conservation benefit of sediment reduction Zhangjiakou area in the Yongdinghe river basin

摘要：

Yongdinghe River ranks the second among the heavily sediment-laden rivers in China. From 1953 when it commenced its impoundment to the end of 1990, more than 600 million tons of sediment silted in the Guanting reservoir, among which 343 million tons were deposited in the period of 1953 to 1959, 153 million tons in the sixties, 90 million tons in the seventies , 47 million tons in the eighties. Due to the water conservancy and soil conservation measures adopted in the upper reaches , the amount of sediment deposition in the reservoir had been gradually reduced. According to analysis, the 299 tributary reservoirs constructed in the upper reaches have trapped 273 million tons of sediment since 1958, the sediment withdrawn by warpping through diversion of floodwater ammounted to 400 million tons, and soil conservation measures constructed down stream of the tributary reservoirs retained sediment by 156 million tons.

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张家口地区永定河流域水利、水保措施对减少官厅水库泥沙淤积的作用

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