| Laboratory Observations on Internal Solitary Wave Evolution over A Submarine Ridge |
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| 作者姓名： | Chen-Yuan CHEN John Rong-Chung HSU Ching-Feng KUO Hsin-Hsun CHEN Min-Hung CHENG |
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| 作者单位： | [1]Department of Marine Environment and Engineering, National Sun Yat-sen University, Kaohsiung 80424, Taiwan , China [2]Honorary Research Fellow, School of Civil and Resource Engineering, University of Western Australia, WA 6009, Australia [3]Institute of Physical Oceanography, National Sun Yat-sen University, Kaohsiung 80424 , Taiwan , China |
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| 基金项目： | The work was supported by the National Science Council, Taiwan, China （Grant No. NSC 93-2611-M-110-001 ） |
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| 摘 要： | Laboratory experiments were conducted in a wave flume on internal solitary wave （ISW） of depression and elevation types propagating over a submarine ridge in semicircular/triangular shape. Tests were arranged in series for combinations of submarine ridges of different heights and ISW of different amplitudes. The resuhant wave motions were found differing from thee of surface gravity waves. In deeper water, where an ISW of depression-type prevailed, the process of wave breaking displayed downward motion with continuous eddy on the front face of the ridge followed by upward motion towards the apex of the obstacle. Experimental results also suggested that blockage parameter ξ could be applied to classify various degrees of ISW-ridge interaction, i.e., ξ 〈 0.5 for weak interaction, 0.5 〈 ξ 〈 0.7 for moderate interaction, and 0.7 〈 ξ for wave breaking.
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| 关 键 词： | 内波 海洋动力学 色散 能量损耗 剖面变化 |
| 收稿时间： | 2005-07-15 |
| 修稿时间： | 2005-12-12 |
Laboratory Observations on Internal Solitary Wave Evolution over A Submarine Ridge |
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| Chen-Yuan CHEN John Rong-Chung HSU Ching-Feng KUO Hsin-Hsun CHEN Min-Hung CHENG.Laboratory Observations on Internal Solitary Wave Evolution over A Submarine Ridge[J].China Ocean Engineering,2006,20(1):61-72. |
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| Authors: | Chen-Yuan CHEN John Rong-Chung HSU Ching-Feng KUO Hsin-Hsun CHEN Min-Hung CHENG |
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| Abstract: | |
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| Keywords: | internal solitary wave laboratory experiments wave dispersion energy loss profile change |
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