| 黄河回拦门沙演变分析 |
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| 引用本文： | 吉祖稳,胡春宏. 黄河回拦门沙演变分析[J]. 泥沙研究, 1995, 0(3) |
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| 作者姓名： | 吉祖稳 胡春宏 |
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| 作者单位： | 中国水利水电科学研究院 |
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| 摘 要： | 本文在分析黄河口拦门沙地区的流速、含沙量及泥沙粒径的基础上，总结出这些水动力因素防潮汐变化的规律．并结合河口地区滞流点的变化特点，初步探讨了拦门沙区的水动力特征与拦门沙演变模式之间的相互关系．
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| 关 键 词： | 拦门沙，演变模式，滞流点，涨落潮 |
Analysis on recent evolution for mouth bar of the Yellow River |
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| Ji Zuwen, Hu Chunhong. Analysis on recent evolution for mouth bar of the Yellow River[J]. Journal of Sediment Research, 1995, 0(3) |
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| Authors: | Ji Zuwen Hu Chunhong |
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| Affiliation: | china Institute of Water Resources and Hydropower Research |
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| Abstract: | In this paper, the recent evolution laws are analyzed according to the measured data of themouth bar of the Yellow River. Firstly,a fluvial model of the mouth bar is proposed.and themodel can be divided into four regions: the sink region,the tide-runoff region. the runoff-- tideblending region and the littoral region. Secondly,the hydrodynamic factors .such as velocity,sediment concentration and sediment particles in river course near the mouth bar are studied. Finally,the evolution laws are described by means of the model and the factors. |
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| Keywords: | mouth bar evolution model flux and reflux |
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