globalchange  > 气候减缓与适应
DOI: 10.1038/ngeo1660
论文题名:
Multiple causes of interannual sea surface temperature variability in the equatorial Atlantic Ocean
作者: Richter I.; Behera S.K.; Masumoto Y.; Taguchi B.; Sasaki H.; Yamagata T.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2013
卷: 6, 期:1
起始页码: 43
结束页码: 47
语种: 英语
Scopus关键词: data set ; El Nino-Southern Oscillation ; general circulation model ; numerical model ; sea surface temperature ; temperature effect ; Atlantic Ocean ; Atlantic Ocean (Equatorial) ; Atlantic Ocean (Subtropical)
英文摘要: The eastern equatorial Atlantic Ocean is subject to interannual fluctuations of sea surface temperatures, with climatic impacts on the surrounding continents. The dynamic mechanism underlying Atlantic temperature variability is thought to be similar to that of the El Niño/Southern Oscillation (ENSO) in the equatorial Pacific, where air-sea coupling leads to a positive feedback between surface winds in the western basin, sea surface temperature in the eastern basin, and equatorial oceanic heat content. Here we use a suite of observational data, climate reanalysis products, and general circulation model simulations to reassess the factors driving the interannual variability. We show that some of the warm events can not be explained by previously identified equatorial wind stress forcing and ENSO-like dynamics. Instead, these events are driven by a mechanism in which surface wind forcing just north of the equator induces warm ocean temperature anomalies that are subsequently advected toward the equator. We find the surface wind patterns are associated with long-lived subtropical sea surface temperature anomalies and suggest they therefore reflect a link between equatorial and subtropical Atlantic variability. © 2013 Macmillan Publishers Limited. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106894
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: Research Institute for Global Change, JAMSTEC, Yokohama 236-0001, Japan; Application Laboratory, JAMSTEC, Yokohama 236-0001, Japan; Earth Simulator Center, JAMSTEC, Yokohama 236-0001, Japan

Recommended Citation:
Richter I.,Behera S.K.,Masumoto Y.,et al. Multiple causes of interannual sea surface temperature variability in the equatorial Atlantic Ocean[J]. Nature Geoscience,2013-01-01,6(1)
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