Seasonal Variability of Subthermocline Eddy Kinetic Energy East of the Philippines

doi:10.1175/JPO-D-20-0101.1

CORC > 海洋研究所 > 中国科学院海洋研究所 > 海洋环流与波动重点实验室

	Seasonal Variability of Subthermocline Eddy Kinetic Energy East of the Philippines
	Zhang, Linlin 1,4,5; Hui, Yuchao 2,4; Qu, Tangdong 3; Hu, Dunxin 1,4,5
刊名	JOURNAL OF PHYSICAL OCEANOGRAPHY
	2021-03-01
卷号	51 期号:3 页码:685-699
关键词	Pacific Ocean Boundary currents Mesoscale processes Eddies Seasonal variability
ISSN号	0022-3670
DOI	10.1175/JPO-D-20-0101.1
通讯作者	Zhang, Linlin(zhanglinlin@qdio.ac.cn)
英文摘要	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.
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
语种	英语
出版者	AMER METEOROLOGICAL SOC
WOS记录号	WOS:000646380100003
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/170995]
专题	海洋研究所_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, Ctr Ocean Megasci, Qingdao, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Univ Calif Los Angeles, Joint Inst Reg Earth Syst Sci & Engn, Los Angeles, CA USA 4.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China 5.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao, Peoples R China
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.