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《Journal of Hydroelectric Engineering》 2013-01
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Dynamic storage of Three Gorges reservoir and its application to flood regulations: 1.Sensitivity in regulation

ZHOU Jianjun1,CHENG Genwei2,YUAN Jie3,WANG Yuhua3,FAN Jihui2,WU Dunyin4,JIN Yong1(1.Dept of Hydraulic,State Key Laboratory of Hydro-science and Engineering,Tsinghua University,Beijing 100084;2.Institute of Mountain Hazards and Environment,CAS, Chengdu 610041;3.Centre of Cascading Reservoirs Operation and Communication, China Yangtze Power Co.Ltd.,Yichang,Hubei 443133;4.Jiangxi Normal University,Nanchang 330027)  
In the present study of hydraulic features and simulation analysis of the Three Gorges reservoir(TGR),we find that the reservoir will form a backwater region of 700km long and that its storage capacity will take strongly dynamic features.Its pool surface is not horizontal as regular reservoirs,and the time variation of its storage volume does not depend on the water level of the dam front.Computation error of water discharge from the reservoir during a flood event by the static storage method could be up to 50%.The study also reveals that the water level in front of the dam varies more rapidly than the average pool level,and hence it can be easily controlled by means of regulations.This is a valuable feature for flood control and hydropower operations.
【Fund】: 水利部公益性行业专项-三峡溪洛渡向家坝水库联合防洪调度研究(200901002);; 水沙科学与水利水电工程国家重点实验室自主研究课题(2011-KY-2);; 长江电力科研项目-长江上游变化条件下的水文预报方案研究(2410020005)
【CateGory Index】: TV697.13
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