IOCAS-IR  > 海洋环流与波动重点实验室
Seasonal Variability of Subthermocline Eddy Kinetic Energy East of the Philippines
Zhang, Linlin1,2,3; Hui, Yuchao1,4; Qu, Tangdong5; Hu, Dunxin1,2,3
2021-03-01
Source PublicationJOURNAL OF PHYSICAL OCEANOGRAPHY
ISSN0022-3670
Volume51Issue:3Pages:685-699
Corresponding AuthorZhang, Linlin(zhanglinlin@qdio.ac.cn)
AbstractSeasonal modulation of subthermocline eddy kinetic energy (EKE) east of the Philippines and its associated dynamics are studied, using mooring measurements and outputs from an eddy-resolving ocean general circulation model for the period from 2000 to 2017. Significantly high EKE appears below the thermocline in the latitude band between 5 degrees and 14 degrees N east of the Philippines. Separated by 10 degrees N, the EKE in the northern and southern parts of the region shows nearly opposite seasonal cycles, with its magnitude reaching a maximum in early spring and minimum in summer in the northern part and reaching a maximum in summer and minimum in winter in the southern part of the region. Further investigation indicates that both baroclinic and barotropic instabilities are essential in generating the subthermocline eddies, but the seasonal variation of subthermocline EKE is mainly caused by the seasonal modulation of barotropic instability. The seasonal modulation of barotropic instability in the northern and southern part of the region is associated with the seasonal evolution of North Equatorial Undercurrent and Halmahera Eddy, respectively.
KeywordPacific Ocean Boundary currents Mesoscale processes Eddies Seasonal variability
DOI10.1175/JPO-D-20-0101.1
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41776021] ; National Natural Science Foundation of China[41730534] ; National Natural Science Foundation of China[41421005] ; National Key Research and Development Program of China[2020YFA0608801] ; National Key Research and Development Program of China[2017YFA0603202] ; National Key Research and Development Program of China[2012YQ12003907] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42010102] ; NSFC Shiptime Sharing Project[NORC2019-09] ; NSFC Shiptime Sharing Project[41849909] ; Major Project of Science and Technology Innovation of Shan Dong[2018SDKJ0105]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000646380100003
PublisherAMER METEOROLOGICAL SOC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/170996
Collection海洋环流与波动重点实验室
Corresponding AuthorZhang, Linlin
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
4.Univ Chinese Acad Sci, Beijing, Peoples R China
5.Univ Calif Los Angeles, Joint Inst Reg Earth Syst Sci & Engn, Los Angeles, CA USA
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Linlin,Hui, Yuchao,Qu, Tangdong,et al. Seasonal Variability of Subthermocline Eddy Kinetic Energy East of the Philippines[J]. JOURNAL OF PHYSICAL OCEANOGRAPHY,2021,51(3):685-699.
APA Zhang, Linlin,Hui, Yuchao,Qu, Tangdong,&Hu, Dunxin.(2021).Seasonal Variability of Subthermocline Eddy Kinetic Energy East of the Philippines.JOURNAL OF PHYSICAL OCEANOGRAPHY,51(3),685-699.
MLA Zhang, Linlin,et al."Seasonal Variability of Subthermocline Eddy Kinetic Energy East of the Philippines".JOURNAL OF PHYSICAL OCEANOGRAPHY 51.3(2021):685-699.
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