| Numerical simulation of characteristics of semidiurnal tidal waves in sea region around Taiwan |
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| 作者姓名： | Sha Wenyu Lu Xingang Chen Xi Zhang Wenjing |
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| 作者单位： | Sha Wenyu，Lu Xingang，Chen Xi，Zhang Wenjing 1. Cullege of Meterology. Institute of Science and Engineering of the P. L. A. Nanjing 211101，China |
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| 摘 要： | INTRODUCTIONNumerica comutation and simu1ation of tidal waves in the closed ocean of China havebo greatly imProved in recent years. As far as the method Of numerica comPU8tion are con-cemed, we can divide them into two classes: beundary va1ue methed and initial value methed.The fOrmer needs the tidal level value of coast beund8ry and the side beundary of water shOuldbe given, and its calculative result dePends on the reliability of boundary value. The rnan-madeermr, caed by getting the…
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| 关 键 词： | Sea regions around Taiwan semidiurnal tidal waves 3-D numerical simulation |
| 收稿时间： | 4/6/2001 12:00:00 AM |
| 修稿时间： | 6/6/2001 12:00:00 AM |
Numerical simulation of characteristics of semidiurnal tidal waves in sea region around Taiwan |
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| Sha Wenyu,Lu Xingang,Chen Xi,Zhang Wenjing.Numerical simulation of characteristics of semidiurnal tidal waves in sea region around Taiwan[J].Acta Oceanologica Sinica,2001,20(3):317-330. |
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| Authors: | Sha Wenyu Lu Xingang Chen Xi and Zhang Wenjing |
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| Institution: | Cullege of Meterology. Institute of Science and Engineering of the P.L.A. Nanjing 211101, China |
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| Abstract: | POM97, an oceanic model, has been used for the first time to the numerical study on the tidal waves of the as Regions around Taiwan. In this paper, we have got the result that the semidiurnal tidal waves of these area mainly are the co-operating tides which come from the south of 23'N of the western Pacific. Those semidiurnal tidal waves affecting the Taiwan Straits come respectively from the south and the north entrance of the channel, and the north tidal wave is stronger than the south one. The strongest tidal field is the area from the Meizhou Bay to the Xinhua Bay along the coast of Fujian Province, where the biggest amplitude of the M2 partial tide can reach 240 cm. The strongest tidal cur- rent fields lie in the Penghu watercourse, where the maximum velocity of the M2 partial tide can arrive at 196 m/s. In the horizontal structure of the tidal currets, we have found that there is a stream dot in the north of the channel, besides, there still exist four new ones. As for the vertical structure, it mainly is biassed to the right at the surface, and to the left near the bottom layer. |
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| Keywords: | Sea regions around Taiwan semidiurnal tidal waves 3 - D numerical simulation |
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