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学科主题: Geosciences, Multidisciplinary
题名: Evolution of the semidiurnal (M-2) internal tide on the continental slope of the northern South China Sea
作者: Xie, XH ; Chen, GY ; Shang, XD ; Fang, WD
通讯作者: xdshang@scsio.ac.cn
刊名: GEOPHYSICAL RESEARCH LETTERS
发表日期: 2008
卷: 35, 期:13, 页:-
收录类别: sci
部门归属: [Xie, Xiao-Hui; Chen, Gui-Ying; Shang, Xiao-Dong; Fang, Wen-Dong] Chinese Acad Sci, Key Lab Trop Marine Environm Dynam, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China; [Xie, Xiao-Hui] Chinese Acad Sci, Grad Inst Chinese, Beijing, Peoples R China
项目归属: LED
摘要: Kinetic energy spectra from a site on the continental slope in the South China Sea reveal that significant peaks appear at some nonlinear interaction frequencies, namely M-3 (M-1 + M-2) and fM(1) (M-1 + f), where f is the inertial frequency, M-1 is the diurnal internal wave, and M-2 is the lunar semidiurnal internal tide. A possible generation mechanism of M-3 is explored. Analysis of bicoherence and shear spectra suggests that strong M-3 is indirectly associated with parametric subharmonic instability ( PSI) of M-2. In another word, under the effect of PSI the energy of M-2 is first transferred to M-1; then via other nonlinear coupling, some nonlinear waves (e.g. fM(1), M-3) are generated. Moreover, M-1 is also present at another site near the bottom of the continental slope. The shear spectra from these two sites show, for the first time, that M-1 can be significantly distinguished from lunar diurnal O-1 and lunisolar diurnal K-1.
原文出处: 查看原文
WOS记录号: WOS:000257739200003
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5987
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Xie, XH; Chen, GY; Shang, XD; Fang, WD.Evolution of the semidiurnal (M-2) internal tide on the continental slope of the northern South China Sea,GEOPHYSICAL RESEARCH LETTERS,2008,35(13):-
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