IOCAS-IR  > 海洋环流与波动重点实验室
Dipole Structure of Mixed Layer Salinity in Response to El Nino-La Nina Asymmetry in the Tropical Pacific
Guan, Cong1,2,3,4,5; Hu, Shijian1,2,4,5; McPhaden, Michael J.6; Wang, Fan1,2,4,5; Gao, Shan1,2,4,5; Hou, Yinglin1,2,4,5
2019-11-06
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Pages8
Corresponding AuthorWang, Fan(fwang@qdio.ae.cn)
AbstractThe asymmetry of mixed layer salinity (MLS) anomalies in response to El Nino and La Nina events in the tropical Pacific is examined for the first time based on Argo observations and Estimating the Circulation and Climate of the Ocean simulation. The difference of MLS anomalies between El Nino and La Nina shows a dipole structure, with El Nino featuring strong negative salinity anomalies east of 160 degrees E while La Nina shows remarkable positive salinity anomalies west of 160 degrees E. A salinity budget analysis suggests that nonlinear zonal advection plays a dominant role in generating the asymmetric MLS structure. This dipole MLS structure acts to generate a dipole structure of barrier layer thickness and thus likely plays an important role in the development of El Nino-Southern Oscillation asymmetries in sea surface temperature.
Keywordsalinity ENSO asymmetry El Nino barrier layer tropical Pacific nonlinear
DOI10.1029/2019GL084817
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41806016] ; National Natural Science Foundation of China[41730534] ; National Natural Science Foundation of China[41776018] ; National Natural Science Foundation of China[91858101] ; China Postdoctoral Science Foundation[2017M622289]
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000494591100001
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/164899
Collection海洋环流与波动重点实验室
Corresponding AuthorWang, Fan
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Coll Marine Sci, Qingdao, Shandong, Peoples R China
3.Shandong Acad Sci, Inst Oceanog Instrumentat, Qingdao, Shandong, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Shandong, Peoples R China
5.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Shandong, Peoples R China
6.NOAA, Pacific Marine Environm Lab, 7600 Sand Point Way Ne, Seattle, WA 98115 USA
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences;  Center for Ocean Mega-Science, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Guan, Cong,Hu, Shijian,McPhaden, Michael J.,et al. Dipole Structure of Mixed Layer Salinity in Response to El Nino-La Nina Asymmetry in the Tropical Pacific[J]. GEOPHYSICAL RESEARCH LETTERS,2019:8.
APA Guan, Cong,Hu, Shijian,McPhaden, Michael J.,Wang, Fan,Gao, Shan,&Hou, Yinglin.(2019).Dipole Structure of Mixed Layer Salinity in Response to El Nino-La Nina Asymmetry in the Tropical Pacific.GEOPHYSICAL RESEARCH LETTERS,8.
MLA Guan, Cong,et al."Dipole Structure of Mixed Layer Salinity in Response to El Nino-La Nina Asymmetry in the Tropical Pacific".GEOPHYSICAL RESEARCH LETTERS (2019):8.
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