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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
Source PublicationJOURNAL OF ASIAN EARTH SCIENCES
Volume155Issue:2018Pages:58-67
SubtypeArticle
AbstractThe 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.
KeywordLoess Abrupt Climatic Events Grain Size Minerals Last Glaciation Central Asia
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.jseaes.2017.10.040
WOS KeywordNORTHEASTERN TIBETAN PLATEAU ; CHINESE LOESS ; ICE-CORE ; SUMMER MONSOON ; NORTH-ATLANTIC ; MAGNETIC-SUSCEPTIBILITY ; DUST ACCUMULATION ; NW CHINA ; INSTABILITY ; BASIN
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000428006300006
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5223
Collection古环境研究室
Affiliation1.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
Recommended Citation
GB/T 7714
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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