IOCAS-IR  > 海洋环流与波动重点实验室
Seasonal Variability of Internal Tides Northeast of Taiwan
Zhao, Xinhua1,2; Hou, Yijun1,3,4; Liu, Ze1,3,4; Zhuang, Zhanpeng5; Wang, Kaidi6
2020-06-01
Source PublicationJOURNAL OF OCEAN UNIVERSITY OF CHINA
ISSN1672-5182
Volume19Issue:3Pages:740-746
Corresponding AuthorHou, Yijun(yjhou@qdio.ac.cn) ; Liu, Ze(liuze@qdio.ac.cn)
AbstractThe spatial-temporal characteristics of the barotropic tides and internal tides (ITs) northeast of Taiwan Island are examined, based on a 1-year mooring current observations from May 23, 2017 to May 19, 2018. The results of harmonic tidal analysis show that the barotropic tides are dominated by semidiurnal tides, which is mainly controlled by M2 tidal components. Moreover, the vertical structures of diurnal and semidiurnal ITs show that the semidiurnal IT shows notable seasonal variation, whereas seasonal variations of the diurnal IT energy is not significant. The semidiurnal IT energy in winter half year is twice that in summer half year. The seasonal variation of semidiurnal IT is mainly modulated by the direction change of the current rather than by the topographic features and stratification. In summer (winter) half year cyclonic (anti-cyclonic) eddies meanly control at this point, so the flow direction is mainly in the southwest (northeast) direction, causing the background flow to flow along (perpendicular to) the isobath. When crossing the isobath, the ITs are generated by the interaction of the barotropic tide and the topography, resulting in the increase of the tidal energy in the winter half year.
Keywordinternal tide seasonal variation eddy northeast of Taiwan
DOI10.1007/s11802-020-4261-3
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41630967] ; National Natural Science Foundation of China[41776020] ; National Natural Science Foundation of China[41706017] ; National Natural Science Foundation of China[41876011] ; National Natural Science Foundation of China[41506021] ; National Natural Science Foundation of China[U1606402] ; National Natural Science Foundation of China[41421005] ; Global Change and Air-Sea Interaction Project[GASI-IPOVAI-01-06] ; Global Change and Air-Sea Interaction Project[GASI- IPOVAI-01-05]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000529833200028
PublisherOCEAN UNIV CHINA
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167326
Collection海洋环流与波动重点实验室
Corresponding AuthorHou, Yijun; Liu, Ze
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Lab Ocean & Climate Dynam, Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266000, Peoples R China
5.MNR China, FIO, Qingdao 266100, Peoples R China
6.Ocean Univ China, Coll Ocean & Atmospher Sci, Qingdao 266100, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhao, Xinhua,Hou, Yijun,Liu, Ze,et al. Seasonal Variability of Internal Tides Northeast of Taiwan[J]. JOURNAL OF OCEAN UNIVERSITY OF CHINA,2020,19(3):740-746.
APA Zhao, Xinhua,Hou, Yijun,Liu, Ze,Zhuang, Zhanpeng,&Wang, Kaidi.(2020).Seasonal Variability of Internal Tides Northeast of Taiwan.JOURNAL OF OCEAN UNIVERSITY OF CHINA,19(3),740-746.
MLA Zhao, Xinhua,et al."Seasonal Variability of Internal Tides Northeast of Taiwan".JOURNAL OF OCEAN UNIVERSITY OF CHINA 19.3(2020):740-746.
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