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题名: Processes involved in the second-year warming of the 2015 El Nio event as derived from an intermediate ocean model
作者: Zhang RongHua1,2,3; Gao Chuan1,3
刊名: SCIENCE CHINA-EARTH SCIENCES
出版日期: 2017-09-01
卷号: 60, 期号:9, 页码:1601-1613
关键词: 2015 El Nino event ; Intermediate ocean model ; Process analyses ; SST budget
DOI: 10.1007/s11430-016-0201-9
文章类型: Article
英文摘要: The tropical Pacific experienced a sustained warm sea surface condition that started in 2014 and a very strong El Nio event in 2015. One striking feature of this event was the horseshoe-like pattern of positive subsurface thermal anomalies that was sustained in the western-central equatorial Pacific throughout 2014-2015. Observational data and an intermediate ocean model are used to describe the sea surface temperature (SST) evolution during 2014-2015. Emphasis is placed on the processes involved in the 2015 El Nio event and their relationships with SST anomalies, including remote effects associated with the propagation and reflection of oceanic equatorial waves (as indicated in sea level (SL) signals) at the boundaries and local effects of the positive subsurface thermal anomalies. It is demonstrated that the positive subsurface thermal anomaly pattern that was sustained throughout 2014-2015 played an important role in maintaining warm SST anomalies in the equatorial Pacific. Further analyses of the SST budget revealed the dominant processes contributing to SST anomalies during 2014-2015. These analyses provide an improved understanding of the extent to which processes associated with the 2015 El Nio event are consistent with current El Nio and Southern Oscillation theories.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000409376600004
Citation statistics:
内容类型: 期刊论文
版本: 出版稿
URI标识: http://ir.qdio.ac.cn/handle/337002/143143
Appears in Collections:海洋环流与波动重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhang RongHua,Gao Chuan. Processes involved in the second-year warming of the 2015 El Nio event as derived from an intermediate ocean model[J]. SCIENCE CHINA-EARTH SCIENCES,2017,60(9):1601-1613.
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文件名: Processes involved in the second-year warming of the 2015 El Nio event as derived from an intermediate ocean model.pdf
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