IOCAS-IR  > 海洋环流与波动重点实验室
The role of oceanic feedbacks in the 2014-2016 El Nino events as derived from ocean reanalysis data
Guan Cong1,2,3,4; Wang Fan1,2,3,4; Hu Shijian1,2,3,4
2020-05-28
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Pages14
Corresponding AuthorWang Fan(fwang@qdio.ac.cn)
AbstractWhy did the predicted "super El Nino" fade out in the summer 2014 and the following year develop into one of the three strongest El Nino on record? Although some hypotheses have been proposed in previous studies, the quantitative contribution of oceanic processes to these events remains unclear. We investigated the role of various oceanic feedbacks, especially in response to intra-seasonal westerly wind busts, in the evolution of the 2014-2016 El Nino events, through a detailed heat budget analysis using high temporal resolution Estimating the Circulation and Climate of the Ocean-Phase II (ECCO2) simulation outputs and satellite-based observations. Results show that the Ekman feedback and zonal advective feedback were the two dominant oceanic processes in the developing phase of the warm event in the spring of 2014 and its decay in June. In the 2015-2016 super El Nino event, the zonal advective feedback and thermocline feedback played a significant role in the eastern Pacific warming. Moreover, the thermocline feedback tended to weaken in the central Pacific where the zonal advection feedback became the dominant positive feedback.
KeywordEl Nino-Southern Oscillation (ENSO) extreme El Nino zonal advective feedback thermocline feedback Ekman feedback inter-seasonal variability
DOI10.1007/s00343-020-0038-1
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41776018] ; National Natural Science Foundation of China[91858101] ; National Natural Science Foundation of China[41806016] ; China Postdoctoral Science Foundation[2017M622289] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB01000000] ; State Key Program of National Natural Science of China[41730534] ; NSFC Innovative Group Grant[41421005]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000565843900001
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/168454
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 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266237, Peoples R China
4.Univ Chinese Acad Sci, Coll Marine Sci, Qingdao 266000, Peoples R China
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,Wang Fan,Hu Shijian. The role of oceanic feedbacks in the 2014-2016 El Nino events as derived from ocean reanalysis data[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2020:14.
APA Guan Cong,Wang Fan,&Hu Shijian.(2020).The role of oceanic feedbacks in the 2014-2016 El Nino events as derived from ocean reanalysis data.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,14.
MLA Guan Cong,et al."The role of oceanic feedbacks in the 2014-2016 El Nino events as derived from ocean reanalysis data".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2020):14.
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