STUDY OF THE INFLUENCE FACTOR ON FLOOD CONTROL CAUSED BY RETREATING THE FLOOD STORAGE

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外文摘要：The shrinkage of water area affects the ecological balance and the flood control badly， this not only threats the living of animals and plants， but also impairs the regulating ability of the lake and brings more pressure on flood control。 Retreating the flood storage is necessary。 For a long time， study of retreating the flood storage is focused on the flood control in the given regions， and the study about general principles is little。 With one-dimensional unsteady flow mathematical model， the influence factor on the flood control along the river caused by retreating the flood storage is researched and the laws about the flood control caused by retreating the flood storage are summed up。 A conclusion is drawn that retreating the flood storage is very important to store floodwater and flood detention， single retreat is more effective than double retreat to the flood control; Under single retreat， the flood control is affected by the time to open floodgate， and the effect of storing floodwater is more obvious with reasonably operation regulation; the station nearer the flood storage is affected more than that far， and the station upstream is affected more than that downstream。 Many factors such as relative position， mode of retreating and the operation regulation should be considered。

外文关键词：

reclamationretreating the flood storageflood storage capacityflood-level

作者：

Jian CHEN、YiTian LI、Rui QIAN、Ying ZHENG

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作者单位：

State Key Laboratory of Water Resources and Hydropower Engineering Sciences, Wuhan University, Wuhan Hubei, 430072, China

ChangJiang Waterway Institute Of Planning, Design & Research, Wuhan Hubei, 430000, China

会议名称：

Second International Conference on Estuaries and Coasts vol.2; 第二届河口海岸国际研讨会论文集

会议地点：

Guangzhou(CN)

会议母体文献：

International Conference on Estuaries and Coasts(ICEC-2006); 20061128-30; Guangzhou(CN)

页码：

P.1209-1213

出版时间：

2006