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万里长江第一坝——葛洲坝水利枢纽于1981年元月4日胜利完成大江截流,这在我国水利水电建设史上是一项空前未有的壮举。在这次大江截流的整个过程中,长办水文局组织了全江300人的水文测验队伍参加各项水文测验工作。全面准确地搜集了整个截流过程中的截流河段水位、龙口流速、落差、二江分流量、坝区流速流态和水下地形资料,其中实测得龙口最大流速为为7米/秒。确保截流的胜利,及时、准确、主动地提供了有关水文数据,起到了参谋和耳目的作用。目前他们正集中力量对资料进行整理分析和进行工作总结。
Wanli Yangtze River dam - Gezhouba Dam on January 4, 1981 victory over the river closure, which in the history of China’s water conservancy and hydropower construction is an unprecedented feat. During the entire river closure, Changban Hydrological Bureau organized a hydrological test team of 300 people in Quanjiang to participate in various hydrological tests. Comprehensively and accurately collected the river closure of the river during the closure of the river level, the mouth velocity, drop, the amount of two sub-flow, the flow pattern of the dam area and underwater topography, which measured the maximum velocity of 7 meters / second Longkou. To ensure the success of closure, timely, accurate and proactive provision of relevant hydrological data has played a role of staff and ears. Currently, they are concentrating their efforts on data collation and analysis.