| 长江口北槽口外悬沙浓度垂线分布的数学模拟 |
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| 引用本文： | 时钟,周洪强.长江口北槽口外悬沙浓度垂线分布的数学模拟[J].海洋工程,2000,18(3):57-62. |
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| 作者姓名： | 时钟 周洪强 |
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| 作者单位： | 上海交通大学,港口与海岸工程系,上海,200030 |
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| 基金项目： | 中国科学院资助项目，教育部高校骨干教师资助计划，49806005，教技函[1999]2号，， |
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| 摘 要： | 利用垂向一维悬沙运动模型，对长江口北槽口外大、小潮悬沙浓度垂线分布进行模拟，模拟结果同“六点法”实测值拟合较好，表明影响悬沙浓度垂线分布的主要因素为悬沙垂向扩散及絮凝沉降作用。
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| 关 键 词： | 垂向一维数学模型 悬沙运动 长江口 |
Numerical modelling of concentration profiles of suspended sediment in the Changjiang Estuary |
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| SHI Zhong,ZHOU Hong-qiang.Numerical modelling of concentration profiles of suspended sediment in the Changjiang Estuary[J].Ocean Engineering,2000,18(3):57-62. |
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| Authors: | SHI Zhong ZHOU Hong-qiang |
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| Abstract: | A one dimensional vertical(1 DV) numerical model has been developed to predict the vertical distribution of the fine suspended sediment concentration during the spring tide, the moderate tide and the neap tide at the mouth of the North Passage in the Changjiang(Yangtze) Estuary. There is a good agreement between modeled and measured data. This suggests that the major factors affecting the vertical distribution of the fine suspended sediment at the mouth of the North Passage are the upward diffusion and the downward settling of fine suspended sediment flocs. |
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| Keywords: | DV numerical model concentration profiles fine suspended sediment Changjiang Estuary |
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