IGGCAS OpenIR  > 新生代地质与环境院重点实验室
Drier tropical and subtropical Southern Hemisphere in the mid-Pliocene Warm Period
Pontes, Gabriel M.1,2; Wainer, Ilana1; Taschetto, Andrea S.2,3; Sen Gupta, Alex2,3; Abe-Ouchi, Ayako4; Brady, Esther C.5; Chan, Wing-Le4; Chandan, Deepak6; Contoux, Camille7; Feng, Ran5; Hunter, Stephen J.8; Kame, Yoichi9; Lohmann, Gerrit10; Otto-Bliesner, Bette L.5; Peltier, W. Richard6; Stepanek, Christian10; Tindall, Julia8; Tan, Ning7,11; Zhang, Qiong12,13; Zhang, Zhongshi11,12,13,14
2020-08-10
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume10Issue:1Pages:11
AbstractThermodynamic 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.
DOI10.1038/s41598-020-68884-5
Funding OrganizationSao 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
WOS KeywordATLANTIC CONVERGENCE ZONE ; SEA-SURFACE TEMPERATURE ; SCALE COMMON FEATURES ; GREENLAND ICE-SHEET ; BAIU FRONTAL ZONE ; PRECIPITATION ; VARIABILITY ; AMERICA ; SPCZ ; TRANSPORT
Language英语
Funding ProjectSao 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
Funding OrganizationSao 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
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000561123700034
PublisherNATURE PUBLISHING GROUP
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/97640
Collection新生代地质与环境院重点实验室
Corresponding AuthorPontes, Gabriel M.
Affiliation1.Univ Sao Paulo, Oceanog Inst, Sao Paulo, SP, Brazil
2.Univ New South Wales, Climate Change Res Ctr, Sydney, NSW, Australia
3.Univ New South Wales, ARC Ctr Excellence Climate Extremes, Sydney, NSW, Australia
4.Univ Tokyo, Ctr Earth Syst Dynam, Atmosphere & Ocean Res Inst, Tokyo, Japan
5.Natl Ctr Atmospher Res, Boulder, CO 80307 USA
6.Univ Toronto, Dept Phys, Toronto, ON, Canada
7.Univ Paris Saclay, Lab Sci Climat & Environm, F-91191 Gif Sur Yvette, France
8.Univ Leeds, Sch Earth & Environm, Leeds, W Yorkshire, England
9.Univ Tsukuba, Fac Life & Environm Sci, Tsukuba, Ibaraki, Japan
10.Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, Bremerhaven, Germany
11.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China
12.Stockholm Univ, Dept Phys Geog, Stockholm, Sweden
13.Stockholm Univ, Bolin Ctr Climate Res, Stockholm, Sweden
14.Bjerknes Ctr Climate Res, NORCE Norwegian Res Ctr, Bergen, Norway
Recommended Citation
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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