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学科主题: Oceanography
题名: Observing spectral characteristics over a continental shelf and slope in the South China Sea
作者: [Shang Xiaodong ; Xu Chi ; Chen Guiying] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; [Wu Lixin] Chinese Acad Sci, Inst Acoust, Beijing 100190, Peoples R China
通讯作者: gychen@scsio.ac.cn
关键词: dissipation spectra ; characteristic frequencies ; South China Sea
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2013
卷: 32, 期:7, 页:29-37
部门归属: LTO
资助者: Foundation item: The National Basic Research Program of China under contract No. 2011CB403505; the National Natural Science Foundation of China under contract Nos U1033002, 41276021 and 10972229.
摘要: Using in situ measurement data from May-June, 1998, and data from the Asian seas international acoustics experiment (ASIAEX) from 2001 in the South China Sea (SCS), the spectral density function and the dissipation spectrum function are estimated. In the infra-gravity wave (IGW) band, the power spectra of velocity (u, v, w) are universal functions with respect to characteristic frequencies, which correspond to the peak frequencies of the dissipation spectrum (PFDS). This suggests that high-frequency internal waves in the IGW band have similar dynamical characteristics. In addition, the evolution of these characteristic frequencies is explored and its highest value is 8.8 cph (cycles per hour, 1 cph=2.778 x 10(-3) Hz).
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000321808000005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10901
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Recommended Citation:
[Shang Xiaodong; Xu Chi; Chen Guiying] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Wu Lixin] Chinese Acad Sci, Inst Acoust, Beijing 100190, Peoples R China.Observing spectral characteristics over a continental shelf and slope in the South China Sea,ACTA OCEANOLOGICA SINICA,2013,32(7):29-37
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