| Glacial-interglacial Indian summer monsoon dynamics. | |
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MedLine Citation:
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PMID: 21817044 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The modern Indian summer monsoon (ISM) is characterized by exceptionally strong interhemispheric transport, indicating the importance of both Northern and Southern Hemisphere processes driving monsoon variability. Here, we present a high-resolution continental record from southwestern China that demonstrates the importance of interhemispheric forcing in driving ISM variability at the glacial-interglacial time scale as well. Interglacial ISM maxima are dominated by an enhanced Indian low associated with global ice volume minima. In contrast, the glacial ISM reaches a minimum, and actually begins to increase, before global ice volume reaches a maximum. We attribute this early strengthening to an increased cross-equatorial pressure gradient derived from Southern Hemisphere high-latitude cooling. This mechanism explains much of the nonorbital scale variance in the Pleistocene ISM record. |
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Authors:
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Zhisheng An; Steven C Clemens; Ji Shen; Xiaoke Qiang; Zhangdong Jin; Youbin Sun; Warren L Prell; Jingjia Luo; Sumin Wang; Hai Xu; Yanjun Cai; Weijian Zhou; Xiaodong Liu; Weiguo Liu; Zhengguo Shi; Libin Yan; Xiayun Xiao; Hong Chang; Feng Wu; Li Ai; Fengyan Lu |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. |
Journal Detail:
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Title: Science (New York, N.Y.) Volume: 333 ISSN: 1095-9203 ISO Abbreviation: Science Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-08-05 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0404511 Medline TA: Science Country: United States |
Other Details:
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Languages: eng Pagination: 719-23 Citation Subset: IM |
Affiliation:
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State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China. anzs@loess.llqg.ac.cn |
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| Comments/Corrections | |
Comment In:
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Science. 2011 Aug 5;333(6043):706-8
[PMID:
21817038
]
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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