气候变化领域集成服务门户(CCPortal): Mid-Pliocene El Nino/Southern Oscillation suppressed by Pacific intertropical convergence zone shift

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DOI	10.1038/s41561-022-00999-y
	Mid-Pliocene El Nino/Southern Oscillation suppressed by Pacific intertropical convergence zone shift
	Pontes, Gabriel M.; Taschetto, Andrea S.; Sen Gupta, Alex; Santoso, Agus; Wainer, Ilana; Haywood, Alan M.; Chan, Wing-Le; Abe-Ouchi, Ayako; Stepanek, Christian; Lohmann, Gerrit; Hunter, Stephen J.; Tindall, Julia C.; Chandler, Mark A.; Sohl, Linda E.; Peltier, W. Richard; Chandan, Deepak; Kamae, Youichi; Nisancioglu, Kerim H.; Zhang, Zhongshi; Contoux, Camille; Tan, Ning; Zhang, Qiong; Otto-Bliesner, Bette L.; Brady, Esther C.; Feng, Ran; von der Heydt, Anna S.; Baatsen, Michiel L. J.; Oldeman, Arthur M.
发表日期	2022
ISSN	1752-0894
EISSN	1752-0908
起始页码	726
结束页码	+
卷号	15 期号:9 页码:22
英文摘要	The El Nino/Southern Oscillation (ENSO), the dominant driver of year-to-year climate variability in the equatorial Pacific Ocean, impacts climate pattern across the globe. However, the response of the ENSO system to past and potential future temperature increases is not fully understood. Here we investigate ENSO variability in the warmer climate of the mid-Pliocene (similar to 3.0-3.3 Ma), when surface temperatures were similar to 2-3 degrees C above modern values, in a large ensemble of climate models-the Pliocene Model Intercomparison Project. We show that the ensemble consistently suggests a weakening of ENSO variability, with a mean reduction of 25% (+/- 16%). We further show that shifts in the equatorial Pacific mean state cannot fully explain these changes. Instead, ENSO was suppressed by a series of off-equatorial processes triggered by a northward displacement of the Pacific intertropical convergence zone: weakened convective feedback and intensified Southern Hemisphere circulation, which inhibit various processes that initiate ENSO. The connection between the climatological intertropical convergence zone position and ENSO we find in the past is expected to operate in our warming world with important ramifications for ENSO variability.
学科领域	Geosciences, Multidisciplinary
语种	英语
WOS研究方向	Geology
WOS记录号	WOS:000839529500002
来源期刊	NATURE GEOSCIENCE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/272586
作者单位	Universidade de Sao Paulo; University of New South Wales Sydney; University of New South Wales Sydney; Commonwealth Scientific & Industrial Research Organisation (CSIRO); University of Leeds; University of Tokyo; Helmholtz Association; Alfred Wegener Institute, Helmholtz Centre for Polar & Marine Research; Columbia University; National Aeronautics & Space Administration (NASA); University of Toronto; University of Tsukuba; Bjerknes Centre for Climate Research; Norwegian Research Centre (NORCE); UDICE-French Research Universities; Universite Paris Saclay; CEA; Centre National de la Recherche Scientifique (CNRS); Chinese Academy of Sciences; Institute of Geology & Geophysics, CAS; Stockholm University; National Center Atmospheric Research (NCAR) - USA; University of Connecticut; Utrecht University
推荐引用方式 GB/T 7714	Pontes, Gabriel M.,Taschetto, Andrea S.,Sen Gupta, Alex,et al. Mid-Pliocene El Nino/Southern Oscillation suppressed by Pacific intertropical convergence zone shift[J],2022,15(9):22.
APA	Pontes, Gabriel M..,Taschetto, Andrea S..,Sen Gupta, Alex.,Santoso, Agus.,Wainer, Ilana.,...&Oldeman, Arthur M..(2022).Mid-Pliocene El Nino/Southern Oscillation suppressed by Pacific intertropical convergence zone shift.NATURE GEOSCIENCE,15(9),22.
MLA	Pontes, Gabriel M.,et al."Mid-Pliocene El Nino/Southern Oscillation suppressed by Pacific intertropical convergence zone shift".NATURE GEOSCIENCE 15.9(2022):22.