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DOI10.1016/j.yqres.2013.11.002
Out-of-phase evolution between summer and winter East Asian monsoons during the Holocene as recorded by Chinese loess deposits
Xia, Dunsheng; Jia, Jia; Li, Guanhua; Zhao, Shuang; Wei, Haitao; Chen, Fahu
发表日期2014
ISSN0033-5894
卷号81期号:3页码:500-507
英文摘要

We analyzed climate proxies from loessic-soil sections of the southern Chinese Loess Plateau. The early Holocene paleosol, S0, is 3.2 m thick and contains six sub-soil units. Co-eval soils from the central Loess Plateau are thinner (similar to 1 m). Consequently higher-resolution stratigraphic analyses can be made on our new sections and provide more insight into Holocene temporal variation of the East Asian monsoon. Both summer and winter monsoon evolution signals are recorded in the same sections, enabling the study of phase relationships between the signals. Our analyses consist of (i) measurements of magnetic properties sensitive to the production of fine-grained magnetic minerals which reflect precipitation intensity and summer monsoon strength; and (ii) grain-size analyses which reflect winter monsoon strength. Our results indicate that the Holocene precipitation maximum occurred in the mid-Holocene, similar to 7.8-3.5 cal ka BP, with an arid interval at 6.3-5.3 cal ka BP. The winter monsoon intensity declined to a minimum during 5.0-3.4 cal ka BP. These results suggest that the East Asian summer and winter monsoons were out of phase during the Holocene, possibly due to their different sensitivities to ice and snow coverage at high latitudes and to sea-surface temperature at low latitudes. (C) 2013 University of Washington. Published by Elsevier Inc. All rights reserved.


英文关键词Loess;Holocene climate evolution;East Asian monsoon
语种英语
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000337217200011
来源期刊QUATERNARY RESEARCH
来源机构兰州大学 ; 中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/1942
推荐引用方式
GB/T 7714
Xia, Dunsheng,Jia, Jia,Li, Guanhua,et al. Out-of-phase evolution between summer and winter East Asian monsoons during the Holocene as recorded by Chinese loess deposits[J]. 兰州大学, 中国科学院青藏高原研究所,2014,81(3):500-507.
APA Xia, Dunsheng,Jia, Jia,Li, Guanhua,Zhao, Shuang,Wei, Haitao,&Chen, Fahu.(2014).Out-of-phase evolution between summer and winter East Asian monsoons during the Holocene as recorded by Chinese loess deposits.QUATERNARY RESEARCH,81(3),500-507.
MLA Xia, Dunsheng,et al."Out-of-phase evolution between summer and winter East Asian monsoons during the Holocene as recorded by Chinese loess deposits".QUATERNARY RESEARCH 81.3(2014):500-507.
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