| 径流与潮流对长江口泥沙输运的影响 |
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| 引用本文： | 周济福,王涛,李家春,刘青泉. 径流与潮流对长江口泥沙输运的影响[J]. 水动力学研究与进展(A辑), 1999, 14(1): 90-100 |
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| 作者姓名： | 周济福 王涛 李家春 刘青泉 |
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| 作者单位： | 中国科学院力学研究所,北京,100080 |
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| 基金项目： | 国家自然科学基金,中国科学院力学研究所所长择优基金 |
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| 摘 要： | 本文首先建立了一个一维水流、二维泥沙数学模型，以长江口南港北槽为实际背景，研究了径流和潮流共同作用下，泥沙输运的规律，讨论了泥沙近底边界条件，认为非恒定情况下泥沙底边界条件应考虑沉效应。
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| 关 键 词： | 长江口 潮流 径流 泥沙输运 |
Influence of Runoff and Tide on Sediment Transport in the Yangtze Estuary |
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| Zhou Ji-fu,Wang Tao,Li Jia-chun,Liu Qing-quan. Influence of Runoff and Tide on Sediment Transport in the Yangtze Estuary[J]. Chinese Journal of Hydrodynamics, 1999, 14(1): 90-100 |
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| Authors: | Zhou Ji-fu Wang Tao Li Jia-chun Liu Qing-quan |
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| Abstract: | A one dimensional, vertical grid unsteady model is developed to study sediment transport in combined tide runoff flows around the Yangtze estuary. The model uses reference concentration as the bottom boundary condition for suspended sediment. It is suggested that the bottom boundary condition in unsteady flow should take the effect of sediment settling into consideration. The respective influences of runoff and tide have been carefully analysed. Finally, the topographic variation of waterway between north and south dykes is predicted. |
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| Keywords: | the Yangtze estuary runoff tide sediment transport. |
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