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Coherent and incoherent internal tides in the southern South China Sea
Liu Qian; Xie Xiaohui; Shang Xiaodong; Chen Guiying; Shang, XD (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.
2016
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
Volume34Issue:6Pages:1374-1382
AbstractCoherent and incoherent internal tides (CITs and ICITs) in the southern South China Sea were investigated from two sets of 18-month mooring current records. The CITs were mainly composed of diurnal Q (1), O (1), P (1) and K (1) and semidiurnal M (2). The observed diurnal internal tides (ITs) were more coherent than the semidiurnal constituents. Coherent diurnal variance accounted for approximately 58% of the diurnal motion, whereas semidiurnal tides contained a much smaller fraction (35%) of coherent motion. The ICITs mainly consisted of motion at non-tidal harmonic frequencies around the tidal frequency, and showed clear intermittency. The modal decomposition of CITs and ICITs showed that CITs were dominated by mode- 1, whereas mode-1 and higher modes in ICITs signals showed comparable amplitudes. CITs and ICITs accounted for approximately 64% and 36% of the total kinetic energy of internal tides, respectively.
Department[Liu Qian; Xie Xiaohui; Shang Xiaodong; Chen Guiying] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Liu Qian] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; LTO
KeywordInternal Tides Coherent Incoherent Kinetic Energy South China Sea
Subject AreaMarine & Freshwater Biology ; Oceanography
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/15241
Collection热带海洋环境国家重点实验室(LTO)
Corresponding AuthorShang, XD (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.
Recommended Citation
GB/T 7714
Liu Qian,Xie Xiaohui,Shang Xiaodong,et al. Coherent and incoherent internal tides in the southern South China Sea[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2016,34(6):1374-1382.
APA Liu Qian,Xie Xiaohui,Shang Xiaodong,Chen Guiying,&Shang, XD .(2016).Coherent and incoherent internal tides in the southern South China Sea.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,34(6),1374-1382.
MLA Liu Qian,et al."Coherent and incoherent internal tides in the southern South China Sea".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 34.6(2016):1374-1382.
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