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《Mechanics and Engineering》 2005-02
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BILLOW UNDER THE SEA SURFACE - INTERNAL WAVES IN THE OCEAN

LI Jiachun (Institute of Mechanics, CAS, Beijing 100080, China)  
The stratified structure due to temperature and salinity in-homogeneity in the ocean is firstly presented in the current paper. With minor restoring force, the internal wave is characteristic of larger amplitude and lower frequency than the counterpart of the sea surface wave. Internal waves occur along the belt of continental edge with suitable stratification, current and topography in various forms of internal tide, internal soliton etc. on this planet. The activities of internal waves appear as hidden trouble for offshore structure safety, background noise in the underwater acoustic channels and a "stirrer" for abyssal mixing. We have observed various applications in ocean engineering, global environment and underwater acoustic exploration.
【Fund】: 中国海洋石油总公司合作项目和中国科学院知识创新工程资助.
【CateGory Index】: P731.22
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