邓金运，庞灿楠，范少英，刘聪聪
（武汉大学水资源与水电工程科学国家重点实验室，湖北 武汉 430072）
【摘 要】 长江中游湖泊的调蓄作用与湖区来流、干流顶托等均具有直接关系。三峡水库蓄水运用后，洞庭湖、鄱阳湖均出现了枯水出现时间提前、枯水期延长、旱情加剧等现象。本文在对长江中游洞庭湖、鄱阳湖调蓄机理探讨的基础上，提出了两湖调蓄的临界状态及其临界条件，揭示了三峡水库蓄水期两湖调蓄能力变化。研究成果可为长江中游江湖治理提供参考。
【关键词】 通江湖泊；调蓄能力；三峡水库；蓄水
基金项目：国家自然科学基金重点项目（41331174）；江西省科技计划项目（20051BBG70044）。
作者简介：邓金运（1975— ），男，副教授，主要从事水沙运动基本理论、江湖关系等研究。
E-mail：dengjinyun@whu.edu.cn(www.zuozong.com)
Study on Storage Capacity of Lakes in the Middle Changjiang River under the Impoundment Period of TGR
DENG Jinyun，PANG Cannan，FAN Shaoying，LIU Congcong
（Wuhan University State Key Laboratory of Water Resources and Hy dropower Engineering Science，Wuhan Hubei Province 430072）
Abstract：The storage capacity of lakes in the middle Changjiang River is related closely to the inflow of the lake and the blocking effect of main stream.The dry seasons of lakes are extending，the occurrence times of low water in the lakes are moving up，and the drought conditions are aggravating after the impoundment of TGR.In this paper，based on the analysis of the storage mechanisms of the Dongting lake and Poyang lake，which are the two biggest lakes in the middle Changjiang River，the critical status and critical index of the lake storage are presented，the changes of the storage capacity of the two lakes before and after the impoundment of TGR are quantified.The results of this paper can be referred to the lake management in the Changjiang River basin.
Key words：River-communicating Lakes；Storage Capacity；Three Gorges Reservoir；Impoundment
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