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Sea surface temperature cooling mode in the Pacific cold tongue
Zhang, Wenjun1,2,3; Li, Jianping3; Zhao, Xia3,4
2010-12-17
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
卷号115
文章类型Article
摘要[1] Long-term variability in sea surface temperature (SST) in the equatorial Pacific and its relationship with global warming were investigated using three SST data sets (Hadley Center Global Sea Ice and Sea Surface Temperature, extended reconstruction sea surface temperature, and Kaplan), atmospheric fields from National Centers for Environmental Prediction/National Center for Atmospheric Research reanalysis, and subsurface sea temperature from the Simple Ocean Data Assimilation data set. A cooling mode in the equatorial Pacific cold tongue is evident in all three SST data sets for two periods: 1870-2007 and 1948-2007. This cooling, which is indicated by the second empirical orthogonal function mode, is characterized by cooling in the Pacific cold tongue and warming elsewhere in the tropical Pacific. Its principal component time series is highly correlated with global mean surface temperature combining air temperature and SST. In association with the SST cooling mode, atmospheric fields and subsurface sea temperature are coupled in the tropical Pacific during recent decades. Moreover, for the coupled models in the 20th century run (20C3M), obtained from the Intergovernmental Panel on Climate Change Fourth Assessment Report database, those with realistic features of El Nino-Southern Oscillation (ENSO) events can well show the cooling mode. However, the cooling mode is not shown in these coupled models in a preindustrial scenario with no forcing attributed to global warming. Results from observations and models suggest that the cooling mode is very likely caused by global warming. This conclusion is supported by a hypothesis that considers dynamic effects in the equatorial Pacific Ocean in response to global warming.
DOI10.1029/2010JC006501
收录类别SCI
语种英语
WOS记录号WOS:000285465600005
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被引频次:36[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/32819
专题海洋环流与波动重点实验室
海洋地质与环境重点实验室
作者单位1.Nanjing Univ Informat Sci & Technol, Minist Educ, Key Lab Meteorol Disaster, Nanjing 210044, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Coll Atmospher Sci, Nanjing 210044, Peoples R China
3.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing 100029, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Lab Ocean Circulat & Waves, Qingdao, Peoples R China
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Zhang, Wenjun,Li, Jianping,Zhao, Xia. Sea surface temperature cooling mode in the Pacific cold tongue[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2010,115.
APA Zhang, Wenjun,Li, Jianping,&Zhao, Xia.(2010).Sea surface temperature cooling mode in the Pacific cold tongue.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,115.
MLA Zhang, Wenjun,et al."Sea surface temperature cooling mode in the Pacific cold tongue".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 115(2010).
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