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Large variations of oxygen isotopes in precipitation over south-central Tibet during Marine Isotope Stage 5

2010; Geological Society of America; Volume: 38; Issue: 3 Linguagem: Inglês

10.1130/g30306.1

1943-2682

Yanjun Cai, Hai Cheng, Zhisheng An, R. Lawrence Edwards, Xianfeng Wang, Liangcheng Tan, Jin Wang,

Groundwater and Isotope Geochemistry

Research Article| March 01, 2010 Large variations of oxygen isotopes in precipitation over south-central Tibet during Marine Isotope Stage 5 Yanjun Cai; Yanjun Cai * 1State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China *E-mail: yanjun_cai@ieecas.cn. Search for other works by this author on: GSW Google Scholar Hai Cheng; Hai Cheng 2Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota 55455, USA Search for other works by this author on: GSW Google Scholar Zhisheng An; Zhisheng An 1State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China Search for other works by this author on: GSW Google Scholar R. Lawrence Edwards; R. Lawrence Edwards 2Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota 55455, USA Search for other works by this author on: GSW Google Scholar Xianfeng Wang; Xianfeng Wang 2Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota 55455, USA Search for other works by this author on: GSW Google Scholar Liangcheng Tan; Liangcheng Tan 1State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China Search for other works by this author on: GSW Google Scholar Jin Wang Jin Wang 1State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China Search for other works by this author on: GSW Google Scholar Author and Article Information Yanjun Cai * 1State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China Hai Cheng 2Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota 55455, USA Zhisheng An 1State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China R. Lawrence Edwards 2Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota 55455, USA Xianfeng Wang 2Department of Geology and Geophysics, University of Minnesota, Minneapolis, Minnesota 55455, USA Liangcheng Tan 1State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China Jin Wang 1State Key Lab of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China *E-mail: yanjun_cai@ieecas.cn. Publisher: Geological Society of America Received: 10 Apr 2009 Revision Received: 06 Oct 2009 Accepted: 06 Oct 2009 First Online: 09 Mar 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 © 2010 Geological Society of America Geology (2010) 38 (3): 243–246. https://doi.org/10.1130/G30306.1 Article history Received: 10 Apr 2009 Revision Received: 06 Oct 2009 Accepted: 06 Oct 2009 First Online: 09 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation Yanjun Cai, Hai Cheng, Zhisheng An, R. Lawrence Edwards, Xianfeng Wang, Liangcheng Tan, Jin Wang; Large variations of oxygen isotopes in precipitation over south-central Tibet during Marine Isotope Stage 5. Geology 2010;; 38 (3): 243–246. doi: https://doi.org/10.1130/G30306.1 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract Oxygen isotope (δ18O) records of two stalagmites from Tianmen Cave, on the south-central Tibetan Plateau, grew during much of Marine Isotope Stage 5. The Tianmen record, the first cave record from the Tibetan Plateau, characterizes a precipitation δ18O history larger in amplitude but similar in structure to Asian Monsoon records from the adjacent regions, providing essential evidence that the Asian Monsoon system, including the East Asian and Indian Monsoon subsystems, responds largely to changes in Northern Hemisphere summer insolation. Extremely low δ18O values during Marine Isotope Stages 5a, 5c, and 5e suggest that precipitation, rather than temperature, was a major factor controlling δ18O in precipitation on orbital time scales in the south-central Tibetan Plateau. The Tianmen record may help in the interpretation of regional ice core δ18O records. The large range of orbital-scale shifts in meteoric δ18O (>9‰) raises important considerations related to reconstructing the uplift history of the plateau. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.