象山港潮波响应和变形研究──Ⅰ.观测和分析

董礼先; 苏纪兰

象山港潮波响应和变形研究──Ⅰ.观测和分析

国家海洋局第二海洋研究所, 杭州 310012

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: 1997-11-10
- 修回日期: 1998-03-05

Tide response and wave distortion in Xiangshan Bay Ⅰ.Observation and analysis

Second Institute of Oceanography, State Oceanic Administratiom, Hangzhou 310012

摘要

摘要: 利用实测资料分析了象山港海湾对潮波的响应和湾内潮波变形.结果说明象山港对外海传入的半日潮波的振幅有明显的放大作用.M₄和MS₄两个浅水分潮在湾内快速增长造成了潮波变形和潮不对称性.潮波非线性的沿程变化和不同区域的潮能耗散说明湖滩与潮波变形关系不大,而湖波非线性在牛鼻水道中的增强对湾内潮波变形是重要的,1/4日分潮在湾内的共振作用也对M₄和MS₄两个浅水分潮起了放大作用.
- 潮波变形 /
- 潮能耗散 /
- 共振 /
- 象山港
Abstract: The tide response and tide wave distortion are analyzed in Xiangshan Bay using a set of measurement data. The result shows that the semidiurnal tidal component propagated from open sea is amplified in the Xiangshan Bay. The tide and tidal currents are no long symmetrical, because of the M₄ and MS₄ component generation and their fast growthing. The tidal energy dissipation and tide and tidal current nonlinear coefficients along the main channel provide that the tidal flat has little contribution to the tide wave distortion, but the enhance of the tide wave nolinearty in Niubi Channel is important for the distortion. The effect of quarter-diurnal component co-oscillation amplifies the M₄ and MS₄ components in the bay.
- Distortion /
- tidal energy dissipation /
- Xiangshan Bay /

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参考文献(20)

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