Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/107132
Title: Variability of stalagmite-inferred Indian monsoon precipitation over the past 252,000 y
Authors: Cai, Yanjun
Fung, Inez Y.
Edwards, R. Lawrence
An, Zhisheng
Cheng, Hai
Lee, Jung-Eun
Tan, Liangcheng
Shen, Chuan-Chou
Wang, Xianfeng
Day, Jesse A.
Zhou, Weijian
Kelly, Megan J.
Chiang, John C. H.
Keywords: Indian summer monsoon
stalagmite
δ18O
precipitation
glacial–interglacial
Issue Date: 2015
Source: Cai, Y., Fung, I. Y., Edwards, R. L., An, Z., Cheng, H., Lee, J. E., et al. (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.
Series/Report no.: Proceedings of the National Academy of Sciences of the United States of America
Abstract: A speleothem δ18O 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.
URI: https://hdl.handle.net/10356/107132
http://hdl.handle.net/10220/25357
DOI: 10.1073/pnas.1424035112
Rights: © 2015 The Author(s) (Published by National Academy of Sciences).This is the author created version of a work that has been peer reviewed and accepted for publication by Proceedings of the National Academy of Sciences of the United States of America, The Author(s) (Published by National Academy of Sciences). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1073/pnas.1424035112].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EOS Journal Articles

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