Obliquity pacing of the western Pacific IntertropicalConvergence Zone over the past 282,000 years
Liu,Y(Liu,Yi)[1,2,3]; Lo,L(Lo,Li)[2]; Shi,ZG(Shi,Zhengguo)[3,4]; Wei,KY(Wei,Kuoyen)[2]; Chou,CJ(Chou,Chienju)[2]; Chen,YC(Chen,Yichi)[2]; Chuang,CK(Chuang,Chihkai)[2]; Wu,CC(Wu,Chungche)[2]; Mii,HS(Mii,Horngsheng)[5]; Peng,ZC(Peng,Zicheng)[1]; Amakamwa,H(Amakawa,Hiroshi)[2]; Burr,GS(Burr,George S.)[2,6]; Lee,SY(Lee,ShihYu)[7]; DeLong,KL(DeLong,Kristine L.)[8]; Elderfield,H(Elderfield,Henry)[9]; Shen,CC(Shen,Chuanchou)[2]
2015-11-25
发表期刊NATURE COMMUNICATIONS
卷号6页码:10018
文章类型期刊论文
摘要The Intertropical Convergence Zone (ITCZ) encompasses the heaviest rain belt on the Earth. Few direct long-term records, especially in the Pacific, limit our understanding of long-term natural variability for predicting future ITCZ migration. Here we present a tropical precipitation record from the Southern Hemisphere covering the past 282,000 years, inferred from a marine sedimentary sequence collected off the eastern coast of Papua New Guinea. Unlike the precession paradigm expressed in its East Asian counterpart, our record shows that the western Pacific ITCZ migration was influenced by combined precession and obliquity changes. The obliquity forcing could be primarily delivered by a cross-hemispherical thermal/ pressure contrast, resulting from the asymmetric continental configuration between Asia and Australia in a coupled East Asian–Australian circulation system. Our finding suggests that the obliquity forcing may play a more important role in global hydroclimate cycles than previously thought.
DOI10.1038/ncomms10018
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/9496
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.CAS Key Laboratory of Crust-Mantle Material and Environment, School of Earth and Space Science, University of Science and Technology of China, Hefei 230026, China;
2.High-Precision Mass Spectrometry and Environment Change Laboratory (HISPEC), Department of Geosciences, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 10617, Taiwan ROC;
3.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China;
4.CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing 100101, China;
5.Department of Earth Sciences, National Taiwan Normal University, Taipei 11677, Taiwan ROC;(60Department of Physics, University of Arizona, Tucson, Arizona 85721, USA;
6.Research Center for Environmental Changes, Academia Sinica, Taipei 11529, Taiwan ROC;
7.Department of Geography and Anthropology, Louisiana State University, Baton Rouge, Louisiana 70803, USA;
8.Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, UK
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GB/T 7714
Liu,Y,Lo,L,Shi,ZG,et al. Obliquity pacing of the western Pacific IntertropicalConvergence Zone over the past 282,000 years[J]. NATURE COMMUNICATIONS,2015,6:10018.
APA Liu,Y.,Lo,L.,Shi,ZG.,Wei,KY.,Chou,CJ.,...&Shen,CC.(2015).Obliquity pacing of the western Pacific IntertropicalConvergence Zone over the past 282,000 years.NATURE COMMUNICATIONS,6,10018.
MLA Liu,Y,et al."Obliquity pacing of the western Pacific IntertropicalConvergence Zone over the past 282,000 years".NATURE COMMUNICATIONS 6(2015):10018.
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