大渡河是我国规划设想的十大水电基地之一,为加快开发大渡河丰富的水能资源,干流双江口至铜街子河段的规划报告我院已于1983年6月完成,现简要介绍如下。(一) 大渡河概况与规划工作成果大渡河是长江流域岷江水系最大支流,发源于青海省果洛山南麓,在四川省乐山市汇入岷江,河道长1,062公里,流域面积77,400 Dadu is one of the ten hydropower bases envisaged in China’s planning and planning. In order to speed up the development of abundant water resources in Dadu River, the planning report of Shuangjiangkou to Tongjiezi reach of our country was completed in June 1983 and is now briefly introduced as follows. (I) General Survey of Dadu River and Planning Achievements Dadu River is the largest tributary of the Minjiang River in the Yangtze River Basin. It originates from the southern foot of Guoluo Mountain in Qinghai Province and flows into the Minjiang River in Leshan City, Sichuan Province. The length of the river is 1,062 km and the drainage area is 77,400