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密云水库是北京市重要的地表饮用水源地,防止水库泥沙淤积对确保水库防洪与兴利库容,有着重要的意义。对密云水库水沙特性、库区淤积现状及发展趋势和影响水库淤积因素进行了分析,并提出了通过加强水土流失治理、清洁小流域治理、水源涵养林建设、水源保护和防沙相结合、治理开发与预防相结合等措施,来控制、减少泥沙入库,保障水库防洪与兴利安全。
Miyun Reservoir is an important source of surface drinking water in Beijing. It is of great significance to prevent the sedimentation of reservoirs from reservoirs to ensure the reservoir flood control and enrichment. This paper analyzes the characteristics of water and sediment in Miyun Reservoir, the present situation of deposition in the reservoir area, the development trend and the factors affecting the reservoir deposition, and puts forward that by combining the improvement of soil and water loss control, the management of clean watershed, the construction of water conservation forest, water source protection and sand control, Management and development and prevention combined with other measures to control and reduce sediment storage to protect the flood control and safety of the reservoir.