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Abrupt climatic events recorded by the Ili loess during the last glaciation in Central Asia: Evidence from grain-size and minerals
Song, Yougui1,4; Zeng, Mengxiu2; Chen, Xiuling3; Li, Yue1; Chang, Hong1; An, Zhisheng1; Guo, Xiaohua4
2018-04-15
发表期刊JOURNAL OF ASIAN EARTH SCIENCES
卷号155期号:2018页码:58-67
文章类型Article
摘要The loess record of Central Asia provides an important archive of regional climate and environmental changes. In contrast to the widely investigated loess deposits in the Chinese Loess Plateau, Central Asian loess-paleosol sequences remain poorly understood. Here, we present an aeolian loess section in the southern Ili Basin. Based on granularity and mineralogical analyses, we reconstruct climatic changes during the last glaciation. The results indicated that most of the abrupt climatic events (such as Dansgaard-Oeschger events and Heinrich events) were imprinted in this loess section, although their amplitudes and ages showed some differences. Compared with the millennial oscillations recoded in loess and stalagmites in East Asia, the arid Central Asia responded more sensitively to the warming events than to the cooling events. The shifting trajectory of westerlies across Central Asia played an important role in dust deposition during the stadials. The North Atlantic climatic signals may have been transmitted from Central Asia to the East Asian monsoon regions via the westerlies.
关键词Loess Abrupt Climatic Events Grain Size Minerals Last Glaciation Central Asia
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.jseaes.2017.10.040
关键词[WOS]NORTHEASTERN TIBETAN PLATEAU ; CHINESE LOESS ; ICE-CORE ; SUMMER MONSOON ; NORTH-ATLANTIC ; MAGNETIC-SUSCEPTIBILITY ; DUST ACCUMULATION ; NW CHINA ; INSTABILITY ; BASIN
收录类别SCI
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000428006300006
引用统计
被引频次:4[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/361006/5223
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, Xian 710061, Shaanxi, Peoples R China
2.Zhejiang Normal Univ, Coll Geog & Environm Sci, Jinhua 321004, Peoples R China
3.Fujian Normal Univ, Coll Geog Sci, State Key Lab Subtrop Mt Ecol, Fuzhou 350007, Fujian, Peoples R China
4.Baylor Univ, Dept Geosci, Geoluminescence Dating Res Lab, Waco, TX 76798 USA
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Song, Yougui,Zeng, Mengxiu,Chen, Xiuling,et al. Abrupt climatic events recorded by the Ili loess during the last glaciation in Central Asia: Evidence from grain-size and minerals[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,155(2018):58-67.
APA Song, Yougui.,Zeng, Mengxiu.,Chen, Xiuling.,Li, Yue.,Chang, Hong.,...&Guo, Xiaohua.(2018).Abrupt climatic events recorded by the Ili loess during the last glaciation in Central Asia: Evidence from grain-size and minerals.JOURNAL OF ASIAN EARTH SCIENCES,155(2018),58-67.
MLA Song, Yougui,et al."Abrupt climatic events recorded by the Ili loess during the last glaciation in Central Asia: Evidence from grain-size and minerals".JOURNAL OF ASIAN EARTH SCIENCES 155.2018(2018):58-67.
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