IOCAS-IR  > 海洋环流与波动重点实验室
Spatial distribution of the seasonal variability of the North Equatorial Current
Wang, Fujun1,2,3; Wang, Qingye1,2,3; Zhang, Linlin1,2,3; Hu, Dunxin1,2,3; Hu, Shijian1,2,3; Feng, Junqiao1,2,3
2019-02-01
Source PublicationDEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
ISSN0967-0637
Volume144Pages:63-74
Corresponding AuthorWang, Fujun(fujunwang@qdio.ac.cn)
AbstractThe seasonal variability of the North Equatorial Current (NEC) is investigated with four moorings at 10.5 N, 13 degrees N, 15.5 degrees N, and 18 degrees N along 130 E from September 2014 to September 2015 and five moorings at 8.5 N, 11 N, 12.5 N, 15 N and 17.5 N along 130 E collected during 2016 and 2017 cruises. Generally, the mooring data shows that the NEC is strongest during boreal spring and summer and weakest in autumn for the stations located at 8.5 degrees N, 10.5 degrees N, 11 degrees N, 12.5 degrees N, 13 N, 17.5 N and 18 N, but the seasonal phase is almost reversed at 15 N and 15.5 degrees N. In the area east of 140 E and north of 10 N, as the seasonal cycle of the wind stress curl anomaly is almost identical at different latitudes, the Rossby waves play a dominant role in the spatial distribution of the seasonal NEC. As the latitude increases, the rate of decrease in the propagation speed of Rossby waves becomes slower, resulting that the delay of the seasonal sea surface height anomaly (SSHa) tends to be smaller. In the area east of 140 E and between 5 N and 10 N, the seasonal phase of SSHa is delayed more rapidly than that in the south of 5 N, which is the result of local wind and Rossby waves. In the area west of 140 E and from 7 N to 151%1, the seasonal phase of the wind stress curl anomaly advances sharply with increasing latitude, corresponding well to the meridional phase advance of the seasonal SSHa and surface NEC, suggesting that the local wind plays a dominant role.
KeywordSpatial distribution Seasonal variability North Equatorial Current
DOI10.1016/j.dsr.2019.01.001
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41330963] ; National Natural Science Foundation of China[41576014] ; Foundation for Innovative Research Groups of the National Natural Science Foundation of China[41421005] ; Northwestern Pacific Ocean Circulation and Climate (NPOCE) project
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000460831000006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/155274
Collection海洋环流与波动重点实验室
Corresponding AuthorWang, Fujun
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang, Fujun,Wang, Qingye,Zhang, Linlin,et al. Spatial distribution of the seasonal variability of the North Equatorial Current[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2019,144:63-74.
APA Wang, Fujun,Wang, Qingye,Zhang, Linlin,Hu, Dunxin,Hu, Shijian,&Feng, Junqiao.(2019).Spatial distribution of the seasonal variability of the North Equatorial Current.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,144,63-74.
MLA Wang, Fujun,et al."Spatial distribution of the seasonal variability of the North Equatorial Current".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 144(2019):63-74.
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