象山港潮波响应和变形研究 Ⅲ.潮滩位置和平流效应对M<sub>4</sub>分潮的作用

董礼先; 苏纪兰; 王丽娅

象山港潮波响应和变形研究 Ⅲ.潮滩位置和平流效应对M₄分潮的作用

1.
国家海洋局第二海洋研究所, 杭州 310012
2.
香港科技大学, 九龙

基金项目: 国家自然科学基金资助项目(编号:48907026)

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出版历程
- 收稿日期: 1997-11-08
- 修回日期: 1998-06-18

Tide response and tidal wave distortion in the Xianshan Bay Ⅲ. Numerical modelling study in a ideal rectangular bay

1.
Second institute of Ocmnography, State Oceanic Administration, Hangzhou 310012
2.
Hong Kong Un University fo Science and Technology, Kowloon, Hong Kong

摘要

摘要: 通过半封闭矩形理想海湾的潮波运动数值模拟,分析了潮滩及平流效应对M₄分潮的生成和增长的影响.结果说明潮滩的作用不但依赖本身的规模和湾内潮波非线性的强弱,而且与潮滩在湾内所处位置关系很大.在存在M₄分潮共振的海湾中,平流效应可以抑制共振对M₄分潮的放大作用.
- M₄分潮 /
- 数值模型 /
- 共振 /
- 平流
Abstract: The contribution of the tidal flat and tidal currents advection to the generation and growth of M₄ tidal component is analyzed by using a numerical modelling in a ideal semi-enclosed rectanglular bay. The result shows that the contribution of tidal flat depends not only on the location and dimension of the tidal flat, but also on the non-linearity of the tide in the bay. The amplitude of the My tidal component is inhibited by the advection in the bay where there is the M₄ tide co-oscillation.
- M₄ tide /
- numerical modelling /
- co-oscillation /
- advection

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参考文献(16)

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