globalchange  > 气候减缓与适应
DOI: 10.1016/j.quaint.2018.02.032
WOS记录号: WOS:000461022000007
论文题名:
Climate change in arid central Asia since MIS 2 revealed from a loess sequence in Yili Basin, Xinjiang, China
作者: Wang, Leibin1; Jia, Jia1; Xia, Dunsheng1; Liu, Hao1; Gao, Fuyuan1; Duan, Yanwu1; Wang, Qiang1; Xie, Haichao1; Chen, Fahu1,2
通讯作者: Wang, Leibin ; Jia, Jia
刊名: QUATERNARY INTERNATIONAL
ISSN: 1040-6182
EISSN: 1873-4553
出版年: 2019
卷: 502, 页码:258-266
语种: 英语
英文关键词: Loess ; Millennial-scale events ; Last-glacial maximum ; Arid central Asia
WOS关键词: MET-PIRIR SIGNALS ; NORTH-ATLANTIC ; MILLENNIAL-SCALE ; K-FELDSPAR ; ILI BASIN ; LUMINESCENCE-CHRONOLOGY ; MONSOON VARIATIONS ; PALEOSOL SEQUENCE ; DUST ACCUMULATION ; OSL CHRONOLOGY
WOS学科分类: Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向: Physical Geography ; Geology
英文摘要:

K-feldspar pIRIR dating was used to establish a chronological framework for the KS15-05 loess section in the Yili Basin, northern Xinjiang Province, China, in arid central Asia. The reliability of the dating results was verified from the luminescence characteristics and internal checks. The chronology was used to calculate mass accumulation rates (MARs) for the section and the paleoclimatic proxies of grain size and magnetic susceptibility were also analyzed. The high dust accumulation patterns during the last glacial maximum in Yili Basin are consistent with those of the Chinese Loess Plateau (CLP). On a millennial-scale, the Bolling-Allerod (B/A) interstadial is clearly reflected in the KS15-05 section by the variation of the 2-10 mu m grain-size fraction, suggesting the influence of the Westerlies which dominate the modern atmospheric circulation of the region. However, the B/A interstadial is poorly recorded in grain-size records of the CLP and this disparity may provide additional information about the nature of the transmission of climate signals from the North Atlantic region to Asia. Specifically, the zonal transmission of the B/A warm signal to the CLP may have been obscured by the cooling effect of High-latitude cold air to the north of the CLP. (C) 2018 Elsevier Ltd and INQUA. All rights reserved.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/128231
Appears in Collections:气候减缓与适应

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作者单位: 1.Lanzhou Univ, Coll Earth & Environm Sci, MOE Key Lab Western Chinas Environm Syst, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China

Recommended Citation:
Wang, Leibin,Jia, Jia,Xia, Dunsheng,et al. Climate change in arid central Asia since MIS 2 revealed from a loess sequence in Yili Basin, Xinjiang, China[J]. QUATERNARY INTERNATIONAL,2019-01-01,502:258-266
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