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三门峡水库修建后,经历了蓄水、低水头敞泄、蓄清排浑等不同运用方式,其演变过程说明,在多沙河修建水利枢纽,除了科节径流外,同时还要调沙,这与在一般清水河流单纯径流调节的原则是不同的。本文着重总结从1973～1980年以来,三门峡实行蓄清排浑运用方式进行水沙调节时,库区冲淤的特点以及对下游的影响,反映了在多沙河流上修建水库进行综合利用的经验。
After the Sanmenxia Reservoir was built, it experienced various modes of application such as water storage, low head-opening and venting, storage and discharge of muddy water, and its evolution shows that the construction of water conservancy hubs in the Dousha River should be carried out simultaneously with the runoff of Branch Festival, The principle of simple runoff regulation in general rivers is different. This paper summarizes the characteristics of scouring and silting in the reservoir area and the impact on the downstream from Sanmenxia since 1973 ~ 1980 when implementing the regulation of water and sediment in Sanmenxia, which reflects the experience of comprehensive utilization of reservoirs on the mainstream of the Dousha River .