淮河中游河道近期演变分析

Water Resources and Hydropower Engineering(2011)

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Abstract
根据河道实测资料分析了淮河中游河道的冲淤演变情况。结果表明,淮河中游各河段的冲淤特点不尽相同,主槽和滩地的冲淤规律也不相同,河道发生的变化与淮河中游的水沙条件密切相关。河段输沙总差值与断面法计算的冲淤量比较分析显示,近期人工采砂导致的河床变形远大于淮河中游的自然演变。河道冲刷扩大将有利于增加河道泄量,但无序采砂也将给河道稳定带来不利影响。
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Key words
main stream of Huaihe River,main channel,channel evolution,desilting,flood plain
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