| 黄河宁蒙河段洪水冲淤规律分析 |
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| 引用本文： | 张厚军,鲁俊,周丽艳,钱胜.黄河宁蒙河段洪水冲淤规律分析[J].人民黄河,2011,33(11). |
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| 作者姓名： | 张厚军 鲁俊 周丽艳 钱胜 |
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| 作者单位： | 黄河勘测规划设计有限公司,河南郑州,450003 |
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| 基金项目： | 水利部公益性行业科研专项(200701020) |
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| 摘 要： | 分析了1973—2005年宁蒙河段汛期场次洪水的冲淤特性、冲淤效率与下河沿断面水沙量之间的关系。结果表明:当下河沿断面洪水平均含沙量大于7 kg/m3时,宁蒙河段以淤积为主;当下河沿断面洪水平均含沙量小于7 kg/m3时,宁蒙河段以冲刷为主,且流量为2 200～2 500 m3/s时冲刷效率最大,此时洪水总水量应大于25亿m3。
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| 关 键 词： | 冲淤效率 冲淤特性 场次洪水 宁蒙河段 黄河 |
Analysis of Law of Scour and Fill in Ning-Mong Reach of the Yellow River During Floods |
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| ZHANG Hou-jun,LU Jun,ZHOU Li-yan,QIAN Sheng.Analysis of Law of Scour and Fill in Ning-Mong Reach of the Yellow River During Floods[J].Yellow River,2011,33(11). |
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| Authors: | ZHANG Hou-jun LU Jun ZHOU Li-yan QIAN Sheng |
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| Affiliation: | ZHANG Hou-jun,LU Jun,ZHOU Li-yan,QIAN Sheng(Yellow River Engineering Consulting Co.Ltd.,Zhengzhou 450003,China) |
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| Abstract: | This paper analyzed the relationship between the quantity of sediment and water at Xiaheyan and the characteristics and efficiency of channel scour and fill by studying the floods in flood season in Ning-Mong reach during the period of 1973-2005.The outcome shows that: a) it gives priority to deposition in Ning-Mong reach when the average sediment concentration at Xiaheyan during flood exceeds 7 kg/m3;b) erosion when the sediment concentration falls short of 7 kg/m3;c) the scour efficiency peaks when the fl... |
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| Keywords: | efficiency of scour and fill characteristics of scour and fill floods Ning-Mong reach Yellow River |
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