| 南黄海辐射沙洲区悬沙潮扩散规律数值研究 |
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| 引用本文： | 朱玉荣,常瑞芳.南黄海辐射沙洲区悬沙潮扩散规律数值研究[J].中国海洋大学学报(自然科学版),1998(4). |
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| 作者姓名： | 朱玉荣 常瑞芳 |
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| 作者单位： | 青岛海洋大学海洋地球科学学院(朱玉荣)，同济大学海洋地质与地球物理系(常瑞芳) |
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| 摘 要： | 在对南黄海辐射沙洲区的潮汐、潮流特征作进一步探讨的基础上，数值模拟了该区的悬沙潮扩散。根据计算结果，分析了计算海域悬沙含量在一个半日潮过程中随潮流场的瞬时变化规律，研究了不同地点悬沙含量与潮位、潮流的关系，总结了涨、落潮平均含沙量的平面分布规律。结果表明，该区的潮流场控制着悬沙的扩散、运移和分布，进而控制着海底地形的发育，尤其是辐射沙洲北大南小不对称格架的塑造与辐射沙洲根部的加积淤高。
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| 关 键 词： | 南黄海 辐射沙洲 潮流 悬沙潮扩散 数值模拟 |
Numerical Study on Suspended Load Dispersion under Tidal Currents in the Radial Sand Ridges Area of the South Yellow Sea |
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| Zhu Yurong , Chang Ruifang.Numerical Study on Suspended Load Dispersion under Tidal Currents in the Radial Sand Ridges Area of the South Yellow Sea[J].Periodical of Ocean University of China,1998(4). |
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| Authors: | Zhu Yurong Chang Ruifang |
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| Institution: | Zhu Yurong 1,2 Chang Ruifang 1 |
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| Abstract: | Suspended load dispersion under tidal currents is simulated in the Radial Sand Ridges area of the South Yellow Sea. Based on the calculated results, the change law of suspended load concentration with time during a M 2 tidal process is analyzed, the relationship between suspended load concentration and tidal level as well as tidal currents at different sites is studied, and the horizontal distribution law of average suspended load concentration during flood tide and ebb tide periods is summarized. It is implied that the tidal current field in the South Yellow Sea controls the dispersion, transport and distribution of suspended load, and further controls the development of sea bottom topography, especially the formation of the asymmetrical pattern of the Radial Sand Ridges, and the accretion of its root. |
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| Keywords: | South Yellow Sea radial sand ridges tidal current dispersion of suspended load numerical simulation |
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