摘要
本文根据长江重庆以上干、支流水文站网观测的水文泥沙资料,初步探明三峡工程长江上游干、支流来沙特性,并分析了上游支流已建水库的拦沙作用。提出在重庆以上干、支流修建大型水库和进行有效的水土保持,减少上游来沙,以免重庆港区淤塞之害的前景。
Based on the data of hydrographic-sediment of the mainstream andtribu- taries of the Yangtze River above Chongqing, the sediment characteristics of the mainstream and tributaries of the upper reaches of the Yangtze River are uerified for the Three Gorge Project,The function of sediment store of the reservoirs built on the upstream tributaries is analysed
基金
国家科委“七五”攻关三峡工程航运,泥沙重大技术问题研究项目