IOCAS-IR  > 海洋环流与波动重点实验室
Seasonal Variations of the North Equatorial Current Across the Pacific Ocean
Liu, Xueqi1,2,3; Zhou, Hui1,2,3,4
Corresponding AuthorZhou, Hui(
AbstractThe seasonal variations of North Equatorial Current (NEC) axis (Y-CM), intensity (INT), and transport across the Pacific basin are investigated based on altimetry data, Argo data, and ocean reanalysis data. In the western Pacific (WP), the NEC shifts southward/northward when it is intensified/weakened in the first/latter half of the year. However, in the interior Pacific (IP), the INT shows antiphase fluctuations with that in the WP with obvious westward propagations of the meridional shift of theY(CM). In the eastern Pacific (EP), the phase relationship between theY(CM)and INT is opposite to that in the WP with the strengthening/weakening of the NEC being accompanied by a northward/southward shift of its axis. Different locations of the NEC seasonal thermocline departure maxima/minima in the WP, IP, and EP contribute to its distinct seasonal variations in these three basins. One of the new findings is that the seasonal shallowest thermocline generally corresponds to its largest meridional slope in the IP and EP, hence favoring the intensification of the NEC in these two basins, but not the case in the WP. Model experiments by blocking the baroclinic Rossby wave propagations and Ekman pumpings in different basins suggest that the seasonal variations of the NEC in the WP and EP are mainly controlled by the Ekman pumping, while those in the IP are controlled by the joint effect of the local Ekman pumping and the Rossby waves. The Sverdrup theory tends to overestimate the NEC's mean transport.
KeywordNorth Equatorial Current Rossby wave model Sverdrup transport
Indexed BySCI
Funding ProjectNSFC[41876009] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000] ; Hundred-Talent Program of Chinese Academy of Sciences[Y9KY0410L]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000549832900035
Citation statistics
Document Type期刊论文
Corresponding AuthorZhou, Hui
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Xueqi,Zhou, Hui. Seasonal Variations of the North Equatorial Current Across the Pacific Ocean[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2020,125(6):23.
APA Liu, Xueqi,&Zhou, Hui.(2020).Seasonal Variations of the North Equatorial Current Across the Pacific Ocean.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,125(6),23.
MLA Liu, Xueqi,et al."Seasonal Variations of the North Equatorial Current Across the Pacific Ocean".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 125.6(2020):23.
Files in This Item:
File Name/Size DocType Version Access License
Seasonal Variations (3496KB)期刊论文出版稿开放获取CC BY-NC-SAView
Related Services
Recommend this item
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Liu, Xueqi]'s Articles
[Zhou, Hui]'s Articles
Baidu academic
Similar articles in Baidu academic
[Liu, Xueqi]'s Articles
[Zhou, Hui]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Liu, Xueqi]'s Articles
[Zhou, Hui]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: Seasonal Variations of the North Equatorial Current Across the Pacific Ocean.pdf
Format: Adobe PDF
This file does not support browsing at this time
All comments (0)
No comment.

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.