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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
发表期刊JOURNAL OF PHYSICAL OCEANOGRAPHY
ISSN0022-3670
卷号51期号:3页码:685-699
通讯作者Zhang, Linlin(zhanglinlin@qdio.ac.cn)
摘要Seasonal 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.
关键词Pacific Ocean Boundary currents Mesoscale processes Eddies Seasonal variability
DOI10.1175/JPO-D-20-0101.1
收录类别SCI
语种英语
资助项目National 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研究方向Oceanography
WOS类目Oceanography
WOS记录号WOS:000646380100003
出版者AMER METEOROLOGICAL SOC
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/170996
专题海洋环流与波动重点实验室
通讯作者Zhang, Linlin
作者单位1.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
第一作者单位海洋环流与波动重点实验室;  中国科学院海洋大科学研究中心
通讯作者单位海洋环流与波动重点实验室;  中国科学院海洋大科学研究中心
推荐引用方式
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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