Continued obliquity pacing of East Asian summer precipitation after the mid-Pleistocene transition
Li, Tao1; Liu, Fei2,3; Abels, Hemmo A.4; You, Chen-Fen5; Zhang, Zeke1,6; Chen, Jun1; Ji, Junfeng1; Li, Laifeng1; Li, Le1; Liu, Hou-Chun5; Ren, Chao1; Xia, Renyuan1; Zhao, Liang1; Zhang, Wenfang1; Li, Gaojun1
2017
发表期刊EARTH AND PLANETARY SCIENCE LETTERS
卷号457期号:2017页码:181-190
文章类型Article
摘要Records from natural archives show that the strength of the East Asian summer monsoon (EASM) strongly depends on the orbital configuration of the Earth. However, the dominant orbital cycles driving EASM have been found to be spatially different. Speleothem stable oxygen isotopic records from southern China, which are believed to reflect large-scale changes in the Asian monsoon system, are dominated by climatic precession cycles. Further north, on the Chinese Loess Plateau (CLP), loess-and-paleosol sequences, which are argued to be controlled by monsoon intensity, are in pace with global ice volume changes dominated by obliquity, and after the mid-Pleistocene transition by 100-kyr cycles. To understand these critical discrepancies, here we apply a novel proxy based on the trace metal compositions of pedogenic carbonate in the eolian deposits on the CLP to reconstruct summer precipitation over the last 1.5 million years. Our reconstructions show that summer precipitation on the CLP is dominantly forced by obliquity not in pace with the ice-volume-imprinted loess-paleosol sequences before and after the mid-Pleistocene transition or with the precession-paced speleothem oxygen isotopic records. Coupled with climate model results, we suggest that the obliquity-driven variations of summer precipitation may originate from the gradient of boreal insolation that modulates the thermal contrast between the Asian continent and surrounding oceans. (C) 2016 Elsevier B.V. All rights reserved.
关键词Microcodium Monsoon Dynamics Milankovitch Cycles Climate Change Soil Carbonate
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.epsl.2016.09.045
关键词[WOS]CHINESE LOESS PLATEAU ; ICE-AGE TERMINATIONS ; MONSOON PRECIPITATION ; PALEOSOL SEQUENCES ; PALEOCLIMATIC SIGNIFICANCE ; ISOTOPE FRACTIONATION ; INORGANIC CALCITE ; RECORDS ; CLIMATE ; TEMPERATURE
收录类别SCI
语种英语
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000389398000017
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5563
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Nanjing Univ, Dept Earth Sci, MOE Key Lab Surficial Geochem, 163 Xianlindadao, Nanjing 210023, Jiangsu, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Earth Syst Modeling Ctr, 219 Ninglu Rd, Nanjing 210044, Jiangsu, Peoples R China
3.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, 219 Ninglu Rd, Nanjing 210044, Jiangsu, Peoples R China
4.Delft Univ Technol, Dept Geosci & Engn, Stevinweg 1, NL-2628 CN Delft, Netherlands
5.Natl Cheng Kung Univ, Earth Dynam Syst Res Ctr, Tainan 70101, Taiwan
6.Chinese Acad Sci, Inst Earth Environm, Xian 710075, Peoples R China
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Li, Tao,Liu, Fei,Abels, Hemmo A.,et al. Continued obliquity pacing of East Asian summer precipitation after the mid-Pleistocene transition[J]. EARTH AND PLANETARY SCIENCE LETTERS,2017,457(2017):181-190.
APA Li, Tao.,Liu, Fei.,Abels, Hemmo A..,You, Chen-Fen.,Zhang, Zeke.,...&Li, Gaojun.(2017).Continued obliquity pacing of East Asian summer precipitation after the mid-Pleistocene transition.EARTH AND PLANETARY SCIENCE LETTERS,457(2017),181-190.
MLA Li, Tao,et al."Continued obliquity pacing of East Asian summer precipitation after the mid-Pleistocene transition".EARTH AND PLANETARY SCIENCE LETTERS 457.2017(2017):181-190.
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