Mooring Measurements of Full-Depth Zonal Currents along the 143&deg;E Meridian in the Northwestern Pacific Ocean

doi:10.1175/JPO-D-22-0210.1

IOCAS-IR > 海洋环流与波动重点实验室

	Mooring Measurements of Full-Depth Zonal Currents along the 143°E Meridian in the Northwestern Pacific Ocean
	Sun, Zhongbin 1,2,3; Zhang, Zhiwei 1,2,3; Li, Cheng 4,5; Yuan, Dongliang3,6,7 ; Yuan, Qingguo 1,2,3; Lu, Wenbo 1,2,3; Liu, Yuelin 1,2,3; Zhou, Chun 1,2,3; Wang, Jing3,8,9 ; Yang, Ya3,6,8,9 ; Zhao, Wei 1,2,3; Tiana, Jiwei 1,2,3
	2023-10-01
发表期刊	JOURNAL OF PHYSICAL OCEANOGRAPHY
ISSN	0022-3670
卷号	53 期号:10 页码:2491-2510
通讯作者	Zhao, Wei(weizhao@ouc.edu.cn)
摘要	Full-depth ocean zonal currents in the tropical and extratropical northwestern Pacific (TNWP) are studied using current measurements from 17 deep-ocean moorings deployed along the 143 degrees E meridian from the equator to 22 degrees N during January 2016-February 2017. Mean transports of the North Equatorial Current and North Equatorial Countercur-rent are estimated tobe 42.7 +/- 7.1 Sv (1 Sv ; 106 m3 s21) and 10.5 +/- 5.3 Sv, respectively, both of which exhibit prominent annual cycles with opposite phases in this year. The observations suggest much larger vertical extents of several of the ma-jor subsurface currents than previously reported, including the Lower Equatorial Intermediate Current, Northern Interme-diate Countercurrent, North Equatorial Subsurface Current, and North Equatorial Undercurrent (NEUC) from south to north. The Northern Subsurface Countercurrent and NEUC are found to be less steady than the other currents. Seasonal variations of these currents are also revealed in the study. In the deep ocean, the currents below 2000 m are reported for the first time. The observations confirm the striation patterns of meridionally alternating zonal currents in the intermediate and deep layers. Further analyses suggest a superposition of at least the first four and two baroclinic modes to represent the mean equatorial and off-equatorial currents, respectively. Meanwhile, seasonal variations of the currents are generally dominated by the first baroclinic mode associated with the low-mode Rossby waves. Overall, the above observational re-sults not only enhance the knowledge of full-depth current system in the TNWP but also provide a basis for future model validation and skill improvement.
关键词	Ocean circulation North Pacific Ocean Mass fluxes/transport Seasonal variability
DOI	10.1175/JPO-D-22-0210.1
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[92258301] ; National Natural Science Foundation of China[42076004] ; National Natural Science Foundation of China[91958205] ; National Natural Science Foundation of China[42222601] ; National Natural Science Foundation of China[42206015] ; National Key Research and Development Program of China[2022YFC3105003] ; Global Change and Air -Sea Interaction Project[GASI- IPOVAI-01-03] ; Taishan Talents program[tsqn202103032] ; Program for Scientific Research Start-up Funds of Guangdong Ocean University[R19011] ; CAS[41720104008] ; NSFC[91858204] ; NSFC[2020YFA0608801] ; Taishan Scholar Program of Shandong Province ; Kunpeng Outstanding Scholar Program of FIO/MNR ; [XDB42010000]
WOS研究方向	Oceanography
WOS类目	Oceanography
WOS记录号	WOS:001090377000001
出版者	AMER METEOROLOGICAL SOC
WOS关键词	NORTH EQUATORIAL CURRENT ; EDDY KINETIC-ENERGY ; TROPICAL PACIFIC ; INTERANNUAL VARIABILITY ; SUBTROPICAL COUNTERCURRENT ; 3-DIMENSIONAL STRUCTURE ; SEASONAL VARIABILITY ; UNDERCURRENT JETS ; CURRENT TRANSPORT ; MINDANAO CURRENT
引用统计
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/181617
专题	海洋环流与波动重点实验室
通讯作者	Zhao, Wei
作者单位	1.Ocean Univ China, Sanya Oceanog Inst, Frontier Sci Ctr Deep Ocean Multispheres & Earth S, Qingdao Sanya, Peoples R China 2.Ocean Univ China, Sanya Oceanog Inst, Phys Oceanog Lab, Key Lab Ocean Observat & Informat Hainan Prov, Qingdao Sanya, Peoples R China 3.Laoshan Lab, Qingdao, Peoples R China 4.Guangdong Ocean Univ, Coll Ocean & Meteorol, Dept Educ Guangdong Prov, Key Lab Climate Resources & Environm Continental S, Zhanjiang, Peoples R China 5.Guangdong Ocean Univ, Lab Coastal Ocean Variat & Disaster Predict, Zhanjiang, Peoples R China 6.Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Sci & Numer Modeling, Shandong Key Lab Marine Sci & Numer Modeling, Qingdao, Peoples R China 7.Univ Chinese Acad Sci, Beijing, Peoples R China 8.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China 9.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
推荐引用方式 GB/T 7714	Sun, Zhongbin,Zhang, Zhiwei,Li, Cheng,et al. Mooring Measurements of Full-Depth Zonal Currents along the 143°E Meridian in the Northwestern Pacific Ocean[J]. JOURNAL OF PHYSICAL OCEANOGRAPHY,2023,53(10):2491-2510.
APA	Sun, Zhongbin.,Zhang, Zhiwei.,Li, Cheng.,Yuan, Dongliang.,Yuan, Qingguo.,...&Tiana, Jiwei.(2023).Mooring Measurements of Full-Depth Zonal Currents along the 143°E Meridian in the Northwestern Pacific Ocean.JOURNAL OF PHYSICAL OCEANOGRAPHY,53(10),2491-2510.
MLA	Sun, Zhongbin,et al."Mooring Measurements of Full-Depth Zonal Currents along the 143°E Meridian in the Northwestern Pacific Ocean".JOURNAL OF PHYSICAL OCEANOGRAPHY 53.10(2023):2491-2510.

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