| Study on the Tidal Wave System and Formation Mechanism of M_2 Tide in the Taiwan Strait |
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| 作者姓名： | 章卫胜 宋志尧 张金善 张红贵 孔俊 王艳红 |
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| 作者单位： | [1]Nanjing Hydraulic Research Institute, Nanjing 210024, China [2]State Key Laboratory of Hydrology- Water Resources and Hydraulic Engineering, Nanjing 210098, China [3]Key Laboratory of Virtual Geographic Environment （ Ministry of Education ）, Nanjing Normal University, Nanjing 210097, China [4]College of Traffic and Ocean Engineerng, Hohai University, Nanjing 210098, China |
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| 摘 要： | To study the Taiwan Strait （TS）, an unusual sea area, the numerical model in marginal seas of China is used to simulate and analyze the tidal wave motion in the strait. The numerical modeling experiments reproduce the amphidromic system of the M2 tide in the south end of the Taiwan strait, and consequently confirm the existence of the degenerate amphidromic system. On this basis, further discussion is conducted on the M2 system and its formation mechanism. It can be concluded that the tidal waves of the TS is consisted of the progressing wave from the north entrance and the degenerate amphidromic system from the south entrance, in which the progressing wave from the north entrance dominates the tidal wave motion in the strait. Except for the convergent effect caused by the landform and boundary, the degenerate amphidromic system produced in the south of the strait is another important factor for the following phenomena： the large tidal range in the middle of the strait, the concentrative zone of co-amplitude and co-phase line in the south of the strait. The degenerate amphidromic system is mainly produced by the incident Pacific Ocean tidal wave from the Luzon strait and the action by the shoreline and landform. The position of the amphidromic point is compelled to move toward southwest until degenerating by the powerful progressing wave from the north entrance.
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| 关 键 词： | 台湾海峡 中国 台湾省 潮汐系统 海洋工程 |
Study on the Tidal Wave System and Formation Mechanism of M2 Tide in the Taiwan Strait |
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| ZHANG Wei-sheng,SONG Zhi-yao,ZHANG Jin-shan,ZHANG Hong-gui,KONG Jun,WANG Yan-hong.Study on the Tidal Wave System and Formation Mechanism of M_2 Tide in the Taiwan Strait[J].China Ocean Engineering,2008,22(1):57-70. |
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| Authors: | ZHANG Wei-sheng SONG Zhi-yao ZHANG Jin-shan ZHANG Hong-gui KONG Jun WANG Yan-hong |
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| Institution: | Ministry of Education |
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| Abstract: | To study the Taiwan Strait (TS), an unusual sea area, the numerical model in marginal seas of China is used to simulate and analyze the tidal wave motion in the strait. The numerical modeling experiments reproduce the amphidromic system of the M2 tide in the south end of the Taiwan strait, and consequently confirm the existence of the degenerate amphidromic system. On this basis, further discussion is conducted on the M2 system and its formation mechanism. It can be concluded that the tidal waves of the TS is consisted of the progressing wave from the north entrance and the degenerate amphidromic system from the south entrance, in which the progressing wave from the north entrance dominates the tidal wave motion in the strait. Except for the convergent effect caused by the landform and boundary, the degenerate amphidromic system produced in the south of the strait is another important factor for the following phenomena: the large tidal range in the middle of the strait, the concentrative zone of co-amplitude and co-phase line in the south of the strait. The degenerate amphidromic system is mainly produced by the incident Pacific Ocean tidal wave from the Luzon strait and the action by the shoreline and landform. The position of the amphidromic point is compelled to move toward southwest until degenerating by the powerful progressing wave from the north entrance. |
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| Keywords: | Taiwan Strait M2 tide tidal wave system amphidromic point formation mechanism |
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