Arid
DOI10.1016/j.chemer.2013.09.001
Holocene climate variation determined from rubidium and strontium contents and ratios of sediments collected from the BadainJaran Desert, Inner Mongolia, China
Guo, Yuanjun1,2; Li, Baosheng1,3; Wen, Xiaohao1; Wang, Fengnian1; Niu, Dongfeng1; Shi, Yuejun1; Guo, Yihua1; Jiang, Shuping1; Hu, Guanguan1
通讯作者Li, Baosheng
来源期刊CHEMIE DER ERDE-GEOCHEMISTRY
ISSN0009-2819
EISSN1611-5864
出版年2014
卷号74期号:4页码:571-576
英文摘要

Rubidium (Rb) and strontium (Sr) contents and ratios were analyzed in 197 sediment samples collected from the CGS1 segment of the Chagelebulu Section in the Badain Jaran Desert of China to study millennial scale climate change during the Holocene. The results showed that the Rb and Sr contents and Rb/Sr ratios were low in the samples of dune sands and loess (Mz < 5.64 Phi), and those values were high in the samples of loess (Mz > 5.64 Phi) and paleosols, these data displayed 11 changing cycles in alternation of peaks and valleys in the chart. In addition, the Rb contents were positively correlated with Mz (mean particle diameter) and clay contents. While the correlations were weaker, Sr contents also showed a tendency to increase with increases in the Mz and clay contents. Based on a comprehensive analysis of the distribution of Rb and Sr within the CGS1 segment, it appears that the observed Rb and Sr contents and ratios varied in accordance with fluctuations of the East Asian winter and summer monsoons. In terms of timing and climate, low values (C1-C11) resulting from winter monsoons had a strong correlation with cold events in the North Atlantic: the period C1 corresponded to times ranging from 400 a to 1400 a and the periods C2, C3, C4, C7, C9, C10, and C11 corresponded to times of 3000 a, 4000 a, 5900 a, 8200 a, 9400 a, 10,300 a, and 11,000 a, respectively. The cold event C5 (6200 a) was also discovered in the North Atlantic in recent; and C6 (7100 a), C8 (8700 a) were discovered in some other places of China. These cold events indicated by Rb and Sr contents and ratios in the Chagelebulu Section of the Badain Jaran Desert recorded the regional response of global climate change during the Holocene. (C) 2013 Elsevier GmbH. All rights reserved.


英文关键词China Inner Mongolia Chagelebulu Section CGS1 segment Holocene Rb and Sr Climate variation
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000347502700004
WOS关键词EASTERN MEDITERRANEAN REGION ; LOESS-PALEOSOL SEQUENCE ; HIGH-RESOLUTION ; MAGNETIC-SUSCEPTIBILITY ; MILLENNIAL-SCALE ; ASIAN MONSOON ; HUMID PERIOD ; VARIABILITY ; PLATEAU ; RECORDS
WOS类目Geochemistry & Geophysics
WOS研究方向Geochemistry & Geophysics
来源机构中国科学院地球环境研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/181340
作者单位1.S China Normal Univ, Sch Geog, Guangzhou 510631, Guangdong, Peoples R China;
2.Gannan Normal Univ, Ganzhou 341000, Peoples R China;
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
推荐引用方式
GB/T 7714
Guo, Yuanjun,Li, Baosheng,Wen, Xiaohao,et al. Holocene climate variation determined from rubidium and strontium contents and ratios of sediments collected from the BadainJaran Desert, Inner Mongolia, China[J]. 中国科学院地球环境研究所,2014,74(4):571-576.
APA Guo, Yuanjun.,Li, Baosheng.,Wen, Xiaohao.,Wang, Fengnian.,Niu, Dongfeng.,...&Hu, Guanguan.(2014).Holocene climate variation determined from rubidium and strontium contents and ratios of sediments collected from the BadainJaran Desert, Inner Mongolia, China.CHEMIE DER ERDE-GEOCHEMISTRY,74(4),571-576.
MLA Guo, Yuanjun,et al."Holocene climate variation determined from rubidium and strontium contents and ratios of sediments collected from the BadainJaran Desert, Inner Mongolia, China".CHEMIE DER ERDE-GEOCHEMISTRY 74.4(2014):571-576.
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