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Rapid and cyclic dust accumulation during MIS 2 in Central Asia inferred from loess OSL dating and grain-size analysis
Li, Yun1,2; Song, Yougui1; Lai, Zhongping3; Han, Li4; An, Zhisheng1
2016-09-02
发表期刊SCIENTIFIC REPORTS
卷号6期号:2016
文章类型Article
摘要Due to lack of reliable proxies from the Westerlies-dominant region, the strength change of Northern Hemisphere Westerlies remains poorly understood. The aim of this study is to provide a reliable paleoclimatic proxy about the Northern Hemisphere Westerlies change. Here we report a 30.7 m thick loess section from the Ili basin directly controlled by the Westerlies. Based on optically stimulated luminescence (OSL) and high resolution grain-size records, we reconstruct the change history of the Westerlies strength during the last glacial period (mainly Marine Isotope Stages 2, MIS2), being similar with the Westerlies index recorded in the Qinghai Lake sediments. Within error limits, all ages are in stratigraphic order. We further compare the climatic records among the Ili loess, Qinghai Lake and the NGRIP, their similarity shows a good climatic coupling relationship among the Central Asia, East Asia and the North Atlantic, and the Westerlies plays a critical influence in transporting the North Atlantic signal to Central and East Asia.
WOS标题词Science & Technology
DOI10.1038/srep32365
关键词[WOS]CHINESE LOESS ; NORTH-ATLANTIC ; LAST GLACIATION ; LATE QUATERNARY ; TIEN-SHAN ; ICE CORE ; CLIMATE ; LUMINESCENCE ; CIRCULATION ; DEPOSITION
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000382378900001
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5679
专题古环境研究室
作者单位1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, 97 Yanxiang Rd, Xian 710061, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Salt Lake Geol & Environm Lab, 18 Xining Rd, Xining 810008, Peoples R China
3.China Univ Geosci, Sch Earth Sci, Wuhan 430074, Peoples R China
4.Chinese Acad Sci, Qinghai Inst Salt Lakes, Salt Lake Analyt & Test Dept, 18 Xinning Rd, Xining 810008, Peoples R China
推荐引用方式
GB/T 7714
Li, Yun,Song, Yougui,Lai, Zhongping,et al. Rapid and cyclic dust accumulation during MIS 2 in Central Asia inferred from loess OSL dating and grain-size analysis[J]. SCIENTIFIC REPORTS,2016,6(2016).
APA Li, Yun,Song, Yougui,Lai, Zhongping,Han, Li,&An, Zhisheng.(2016).Rapid and cyclic dust accumulation during MIS 2 in Central Asia inferred from loess OSL dating and grain-size analysis.SCIENTIFIC REPORTS,6(2016).
MLA Li, Yun,et al."Rapid and cyclic dust accumulation during MIS 2 in Central Asia inferred from loess OSL dating and grain-size analysis".SCIENTIFIC REPORTS 6.2016(2016).
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