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丹江口水利枢纽是综合开发汉江的关键性工程,具有防洪、灌溉、发电、航运、养殖等效益。该枢纽位于汉江干流及其支流丹江汇合口的下游。水库以上流域面积为95217平方公里,河长846公里,流域平均宽度约113公里。流域几乎全为秦岭山脉南坡与大巴山北麓的绵延地区,多年平均降雨量909毫米,多年平均流最1220秒立米。瞬时最大流量为50000秒立米(1935年7月)。流域以上有两座大型水库,一为干流的石泉水库(流域面积23805平方公里),一为支流堵河的黄龙滩水库(流域面积10668平方公里).丹江口水库以上流域面积大,又有水库联合运用调度的问题。为了满足运用调度的需
The Danjiangkou Hydropower Project is a key project for the comprehensive development of the Han River and has such benefits as flood control, irrigation, power generation, shipping and aquaculture. The hub is located in the Hanjiang River and its mainstream Danjiang confluence downstream. Above the reservoir area of 95,217 square kilometers, 846 kilometers long river, the average width of about 113 km. The basin is almost entirely stretches of the southern slopes of the Qinling Mountains and the northern foot of Daba Mountain. The average annual rainfall is 909 millimeters and the average annual flow is 1220 centimeters. Instantaneous maximum flow of 50000 seconds (1935 July). Above the basin there are two large reservoirs, one for the mainstream Shiquan Reservoir (drainage area of 23805 square kilometers), a tributary of the Huanglongtan dam (drainage area of 10668 square kilometers) .Danjiangkou reservoir above the river basin area, there are reservoir combination Use the scheduling problem. In order to meet the needs of the use of scheduling