IOCAS-IR
Antarctic Intermediate Water penetration into the Northern Indian Ocean during the last deglaciation
Yu, Zhaojie1,2,4; Colin, Christophe2; Ma, Ruifang2; Meynadier, Laure5; Wan, Shiming1,3; Wu, Qiong6; Kallel, Nejib7; Sepulcre, Sophie2; Dapoigny, Arnaud8; Bassinot, Frank8
2018-10-15
发表期刊EARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
卷号500页码:67-75
摘要The two-stage increase in atmospheric carbon dioxide (CO2), and the associated decrease in radiocarbon (C-14) during the last deglaciation, are thought to have been linked to enhanced Southern Ocean upwelling and the rapid release of sequestered C-14-depleted CO2. Antarctic Intermediate Water (AAIW), originating from the Southern Ocean, reflects variations in the Southern Ocean and, crucially, mirrors the chemical signature of upwelling deep water. However, the penetration of AAIW into the Northern Indian Ocean and its relationship with deglacial climate changes have not been thoroughly elucidated to date. Here, we present the neodymium isotopic composition (epsilon(Nd)) of mixed planktonic foraminifera from core MD77-176 from an intermediate depth in the Northern Indian Ocean to reconstruct the past evolution of intermediate water during deglaciation. The epsilon(Nd) record in the Northern Indian Ocean displays two pulse-like shifts towards more radiogenic Southern Ocean values during the deglaciation, and these shifts coincide with excursions in Delta C-14 and epsilon(Nd) records in the Pacific and Atlantic Oceans. These results suggest invasion of AAIW into the Northern Hemisphere oceans associated with enhanced Southern Ocean ventilation during deglaciation. Our new ENd record strongly supports the close linkage of AAIW propagation and atmospheric CO2 rise through Southern Ocean ventilation during deglaciation. (C) 2018 Elsevier B.V. All rights reserved.
关键词Nd isotopic composition AAIW deglaciation a tmospheric CO2 Northern Indian Ocean
DOI10.1016/j.epsl.2018.08.006
收录类别SCI
语种英语
资助项目ANR[ANR 2011 Blanc SIMI 5-6 024 04] ; ANR[ANR-10-LABX-0018] ; MONOPOL projects ; Labex L-IPSL ; CAS Interdisciplinary Innovation Team, Open Fund of the Key Laboratory of Marine Geology and Environment, Chinese Academy of Sciences[MGE2018KG01] ; Aoshan Talents programme of Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-ES01] ; Innovation Project of Qingdao National Laboratory for Marine Science and Technology[2016ASKJ13] ; National Programme on Global Change and Mr-Sea Interaction[GASI-GEOGE-03] ; National Natural Science Foundation of China[41576034] ; National Natural Science Foundation of China[41622603] ; China Scholarship Council ; China Scholarship Council ; National Natural Science Foundation of China[41622603] ; National Natural Science Foundation of China[41576034] ; National Programme on Global Change and Mr-Sea Interaction[GASI-GEOGE-03] ; Innovation Project of Qingdao National Laboratory for Marine Science and Technology[2016ASKJ13] ; Aoshan Talents programme of Qingdao National Laboratory for Marine Science and Technology[2017ASTCP-ES01] ; CAS Interdisciplinary Innovation Team, Open Fund of the Key Laboratory of Marine Geology and Environment, Chinese Academy of Sciences[MGE2018KG01] ; Labex L-IPSL ; MONOPOL projects ; ANR[ANR-10-LABX-0018] ; ANR[ANR 2011 Blanc SIMI 5-6 024 04]
WOS研究方向Geochemistry & Geophysics
WOS类目Geochemistry & Geophysics
WOS记录号WOS:000445718700007
出版者ELSEVIER SCIENCE BV
引用统计
被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/160373
专题中国科学院海洋研究所
通讯作者Yu, Zhaojie
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Univ Paris Saclay, Univ Paris Sud, Lab GEOsci Paris Sud GEOPS, UMR 8148,CNRS, Batiment 504, F-91405 Orsay, France
3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
5.Univ Paris Diderot, UMR 7154, Sorbonne Paris Cite, Inst Phys Globe Paris,Equipe Geochim & Cosmochim, Paris, France
6.Hohai Univ, Coll Oceanog, Nanjing, Jiangsu, Peoples R China
7.Univ Sfax, Fac Sci, Lab GEOGLOB, BP 802, Sfax 3038, Tunisia
8.Domaine CNRS, Lab Sci Climat & Environm, F-91198 Gif Sur Yvette, France
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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Yu, Zhaojie,Colin, Christophe,Ma, Ruifang,et al. Antarctic Intermediate Water penetration into the Northern Indian Ocean during the last deglaciation[J]. EARTH AND PLANETARY SCIENCE LETTERS,2018,500:67-75.
APA Yu, Zhaojie.,Colin, Christophe.,Ma, Ruifang.,Meynadier, Laure.,Wan, Shiming.,...&Bassinot, Frank.(2018).Antarctic Intermediate Water penetration into the Northern Indian Ocean during the last deglaciation.EARTH AND PLANETARY SCIENCE LETTERS,500,67-75.
MLA Yu, Zhaojie,et al."Antarctic Intermediate Water penetration into the Northern Indian Ocean during the last deglaciation".EARTH AND PLANETARY SCIENCE LETTERS 500(2018):67-75.
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