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  4. 中国科学院新生代地质与环境重点实验室
Drier tropical and subtropical Southern Hemisphere in the mid-Pliocene Warm Period

文献类型：期刊论文

作者Pontes, Gabriel M.6,10; Wainer, Ilana6; Taschetto, Andrea S.9,10; Sen Gupta, Alex9,10; Abe-Ouchi, Ayako2; Brady, Esther C.1; Chan, Wing-Le2; Chandan, Deepak5; Contoux, Camille8; Feng, Ran1
刊名SCIENTIFIC REPORTS
出版日期2020-08-10
卷号10期号:1页码:11
ISSN号2045-2322
DOI10.1038/s41598-020-68884-5
英文摘要Thermodynamic arguments imply that global mean rainfall increases in a warmer atmosphere; however, dynamical effects may result in more significant diversity of regional precipitation change. Here we investigate rainfall changes in the mid-Pliocene Warm Period (similar to 3 Ma), a time when temperatures were 2-3 degrees C warmer than the pre-industrial era, using output from the Pliocene Model Intercomparison Projects phases 1 and 2 and sensitivity climate model experiments. In the Mid-Pliocene simulations, the higher rates of warming in the northern hemisphere create an interhemispheric temperature gradient that enhances the southward cross-equatorial energy flux by up to 48%. This intensified energy flux reorganizes the atmospheric circulation leading to a northward shift of the Inter-Tropical Convergence Zone and a weakened and poleward displaced Southern Hemisphere Subtropical Convergences Zones. These changes result in drier-than-normal Southern Hemisphere tropics and subtropics. The evaluation of the mid-Pliocene adds a constraint to possible future warmer scenarios associated with differing rates of warming between hemispheres.
WOS关键词ATLANTIC CONVERGENCE ZONE ; SEA-SURFACE TEMPERATURE ; SCALE COMMON FEATURES ; GREENLAND ICE-SHEET ; BAIU FRONTAL ZONE ; PRECIPITATION ; VARIABILITY ; AMERICA ; SPCZ ; TRANSPORT
资助项目Sao Paulo Research Foundation (FAPESP-Brazil)[2016/23670-0] ; Sao Paulo Research Foundation (FAPESP-Brazil)[2019/0882-1] ; Australian Research Council (ARC) ; ARC Centre of Excellence for Climate Extremes ; NCI National Facility, Canberra
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000561123700034
出版者NATURE PUBLISHING GROUP
资助机构Sao Paulo Research Foundation (FAPESP-Brazil) ; Sao Paulo Research Foundation (FAPESP-Brazil) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; ARC Centre of Excellence for Climate Extremes ; ARC Centre of Excellence for Climate Extremes ; NCI National Facility, Canberra ; NCI National Facility, Canberra ; Sao Paulo Research Foundation (FAPESP-Brazil) ; Sao Paulo Research Foundation (FAPESP-Brazil) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; ARC Centre of Excellence for Climate Extremes ; ARC Centre of Excellence for Climate Extremes ; NCI National Facility, Canberra ; NCI National Facility, Canberra ; Sao Paulo Research Foundation (FAPESP-Brazil) ; Sao Paulo Research Foundation (FAPESP-Brazil) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; ARC Centre of Excellence for Climate Extremes ; ARC Centre of Excellence for Climate Extremes ; NCI National Facility, Canberra ; NCI National Facility, Canberra ; Sao Paulo Research Foundation (FAPESP-Brazil) ; Sao Paulo Research Foundation (FAPESP-Brazil) ; Australian Research Council (ARC) ; Australian Research Council (ARC) ; ARC Centre of Excellence for Climate Extremes ; ARC Centre of Excellence for Climate Extremes ; NCI National Facility, Canberra ; NCI National Facility, Canberra
源URL[http://ir.iggcas.ac.cn/handle/132A11/97640]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Pontes, Gabriel M.
作者单位1.Natl Ctr Atmospher Res, Boulder, CO 80307 USA
2.Univ Tokyo, Ctr Earth Syst Dynam, Atmosphere & Ocean Res Inst, Tokyo, Japan
3.Stockholm Univ, Dept Phys Geog, Stockholm, Sweden
4.Stockholm Univ, Bolin Ctr Climate Res, Stockholm, Sweden
5.Univ Toronto, Dept Phys, Toronto, ON, Canada
6.Univ Sao Paulo, Oceanog Inst, Sao Paulo, SP, Brazil
7.Bjerknes Ctr Climate Res, NORCE Norwegian Res Ctr, Bergen, Norway
8.Univ Paris Saclay, Lab Sci Climat & Environm, F-91191 Gif Sur Yvette, France
9.Univ New South Wales, ARC Ctr Excellence Climate Extremes, Sydney, NSW, Australia
10.Univ New South Wales, Climate Change Res Ctr, Sydney, NSW, Australia
推荐引用方式
GB/T 7714		 Pontes, Gabriel M.,Wainer, Ilana,Taschetto, Andrea S.,et al. Drier tropical and subtropical Southern Hemisphere in the mid-Pliocene Warm Period[J]. SCIENTIFIC REPORTS,2020,10(1):11.
APA Pontes, Gabriel M..,Wainer, Ilana.,Taschetto, Andrea S..,Sen Gupta, Alex.,Abe-Ouchi, Ayako.,...&Zhang, Zhongshi.(2020).Drier tropical and subtropical Southern Hemisphere in the mid-Pliocene Warm Period.SCIENTIFIC REPORTS,10(1),11.
MLA Pontes, Gabriel M.,et al."Drier tropical and subtropical Southern Hemisphere in the mid-Pliocene Warm Period".SCIENTIFIC REPORTS 10.1(2020):11.

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来源：地质与地球物理研究所

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