| 湛江近海M2分潮的数值模拟 |
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| 引用本文： | 路泽廷,杨支中,沙文钰,朱首贤.湛江近海M2分潮的数值模拟[J].海洋通报,2004,23(5):18-24. |
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| 作者姓名： | 路泽廷 杨支中 沙文钰 朱首贤 |
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| 作者单位： | 解放军理工大学气象学院军事海洋系,江苏,南京,211101 |
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| 基金项目： | 总参重点项目[参字61号]及总装重点项目(编号40701010401)专项基金资助 |
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| 摘 要： | 利用潮汐模型，在高分辨率的自适应曲线网格下，采用潮汐调和常数作为控制模拟精度的方法，模拟了洪江附近海域M2分潮的运动特征。模拟所得的潮汐调和常数同实测值相比，误差较小。根据模拟结果绘制的M2分潮的同潮图，揭示了湛江附近海域M2分潮振幅和迟角的分布特征以及M2分潮的传播和发展规律。模拟得到的M2分潮分别在涨憩、落憩、涨急和落急几个典型时刻的流场，揭示了湛江附近海域M2分潮潮流的分布特征及其运动规律。
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| 关 键 词： | 湛江近海 M2分潮 数值模拟 |
| 文章编号： | 1001-6392(2004)05-0018-07 |
Numerical Simulation of M2 Tidal Constituent in the Sea Region Near Zhanjiang |
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| Zhanjiang LU Zeting,YANG Zhizhong,SHA Wenyu,ZHU Shouxian.Numerical Simulation of M2 Tidal Constituent in the Sea Region Near Zhanjiang[J].Marine Science Bulletin,2004,23(5):18-24. |
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| Authors: | Zhanjiang LU Zeting YANG Zhizhong SHA Wenyu ZHU Shouxian |
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| Abstract: | In this paper, a numerical tidal model is used in a high-resolution self-adaptive curvilinear grid to simulate the movement of M2 tidal constituent in the sea region near Zhanjiang adopting the method of controlling the simulation accuracy with tidal harmonic constant. The error of tidal harmonic constant in simulation is slight as compared with the observed value. With the simulated cotidal chart of M2 tidal constituent, the distributing characteristics of the amplitude and the phase lag of M2 in the sea region near Zhanjiang are revealed. With the current field of M2 tidal constituent at four typical moments such as high water stand, low water stand, fastest flood, fastest ebb, plotted with the simulation result, the distributing characteristics and the movement law of tidal current of M2 in the sea region near Zhanjiang are revealed. |
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| Keywords: | the sea region near Zhanjiang M2 tidal constituent numerical simulation |
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