IOCAS-IR  > 海洋环流与波动重点实验室
Three-dimensional numerical simulation of internal tides that radiated from the Luzon Strait into the Western Pacific
Liu Kun1,2,4; Xu Zhenhua1,2,3; Yin Baoshu1,2,3
2017-11-01
Source PublicationCHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
Volume35Issue:6Pages:1275-1286
Corresponding AuthorXu Zhenhua(xuzhenhua@qdio.ac.cn)
AbstractRecent satellite altimeter observations have indicated that internal tides (ITs) from the Luzon Strait (LS) propagate more than 2 500 km into the Western Pacific (WP). This study used a high-resolution three-dimensional numerical model to reproduce and examine the ITs radiation process. The propagation of diurnal and semidiurnal ITs showed different patterns and variations. Diurnal ITs with lower frequency were affected more by the earth's rotation and they were bent more toward the equator than semidiurnal ITs. ITs phase speeds are functions of latitude and diurnal ITs showed greater distinctions of phase speeds during propagation. For M-2 ITs, the wavelength remained nearly unchanged but the beam width increased significantly during propagation away from the LS. For diurnal ITs (K-1 and O-1), the wavelength decreased noticeably with latitude, while the beam width varied little during propagation because of blocking by land. Baroclinic energy was also examined as a complement to satellite results reported by Zhao (2014). The magnitude of the generated baroclinic energy flux reduced remarkably within 300 km from the generation site but it then decayed slowly when propagating into abyssal sea. Baroclinic energy of diurnal ITs was found to dissipate at a slower rate than semidiurnal ITs along the main propagation path in the WP.
Keywordinternal tides numerical simulation Luzon Strait Western Pacific
DOI10.1007/s00343-017-5376-2
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41528601] ; National Natural Science Foundation of China[41376029] ; National Natural Science Foundation of China[U1406401] ; National Natural Science Foundation of China[41421005] ; CAS[XDA10020104] ; CAS[XDA10020101] ; CAS Interdisciplinary Innovation Team
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000415810900002
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157285
Collection海洋环流与波动重点实验室
Corresponding AuthorXu Zhenhua
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Key Lab Ocean Circulat & Waves KLOCAW, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao 266071, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Key Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Key Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu Kun,Xu Zhenhua,Yin Baoshu. Three-dimensional numerical simulation of internal tides that radiated from the Luzon Strait into the Western Pacific[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(6):1275-1286.
APA Liu Kun,Xu Zhenhua,&Yin Baoshu.(2017).Three-dimensional numerical simulation of internal tides that radiated from the Luzon Strait into the Western Pacific.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(6),1275-1286.
MLA Liu Kun,et al."Three-dimensional numerical simulation of internal tides that radiated from the Luzon Strait into the Western Pacific".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.6(2017):1275-1286.
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