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Variability of stalagmite-inferred Indian monsoon precipitation over the past 252,000 y
Cai, Yanjun1,2; Fung, Inez Y.3; Edwards, R. Lawrence4; An, Zhisheng1,5; Cheng, Hai2,4; Lee, Jung-Eun6; Tan, Liangcheng1; Sheng, Chuan-Chou7; Wang, Xianfeng8; Day, Jesse A.3; Zhou, Weijian1; Kelly, Megan J.4; Chiang, John C. H.3
2015-03-10
Source PublicationPROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
Volume112Issue:10Pages:2954-2959
SubtypeArticle
Abstract

A speleothem delta O-18 record from Xiaobailong cave in southwest China characterizes changes in summer monsoon precipitation in Northeastern India, the Himalayan foothills, Bangladesh, and northern Indochina over the last 252 kyr. This record is dominated by 23-kyr precessional cycles punctuated by prominent millennial-scale oscillations that are synchronous with Heinrich events in the North Atlantic. It also shows clear glacial-interglacial variations that are consistent with marine and other terrestrial proxies but are different from the cave records in East China. Corroborated by isotope-enabled global circulation modeling, we hypothesize that this disparity reflects differing changes in atmospheric circulation and moisture trajectories associated with climate forcing as well as with associated topographic changes during glacial periods, in particular redistribution of air mass above the growing ice sheets and the exposure of the "land bridge" in the Maritime continents in the western equatorial Pacific.

KeywordIndian Summer Monsoon Stalagmite Delta O-18 Precipitation Glacial-interglacial
WOS HeadingsScience & Technology
DOI10.1073/pnas.1424035112
WOS KeywordPlasma-mass Spectrometry ; Last Glacial Maximum ; Summer-monsoon ; Oxygen Isotopes ; High-resolution ; Holocene Variability ; Atlantic-ocean ; Asian Monsoon ; Arabian Sea ; Climate
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000350646500030
PublisherNATL ACAD SCIENCES
Citation statistics
Cited Times:63[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9402
Collection现代环境研究室
Corresponding AuthorCai, Yanjun
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
2.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian 710049, Peoples R China
3.Univ Calif Berkeley, Ctr Atmospher Sci, Berkeley, CA 94720 USA
4.Univ Minnesota, Dept Earth Sci, Minneapolis, MN 55455 USA
5.Joint Ctr Global Change Studies, Beijing 100875, Peoples R China
6.Brown Univ, Dept Geol Sci, Providence, RI 02912 USA
7.Natl Taiwan Univ, Dept Geosci, High Precis Mass Spectrometry & Environm Change L, Taipei 106, Taiwan
8.Nanyang Technol Univ, Earth Observ Singapore, Singapore 639798, Singapore
Recommended Citation
GB/T 7714
Cai, Yanjun,Fung, Inez Y.,Edwards, R. Lawrence,et al. Variability of stalagmite-inferred Indian monsoon precipitation over the past 252,000 y[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2015,112(10):2954-2959.
APA Cai, Yanjun.,Fung, Inez Y..,Edwards, R. Lawrence.,An, Zhisheng.,Cheng, Hai.,...&Chiang, John C. H..(2015).Variability of stalagmite-inferred Indian monsoon precipitation over the past 252,000 y.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,112(10),2954-2959.
MLA Cai, Yanjun,et al."Variability of stalagmite-inferred Indian monsoon precipitation over the past 252,000 y".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 112.10(2015):2954-2959.
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