Arid
DOI10.1007/s11476-008-1009-7
Climatic changes indicated by trace elements in the Chagelebulu stratigraphic section, Badain Jaran Desert, China, since 150 kyr BP
Yang Yi1; Li Bao-sheng1,2; Qiu Shi-fan1; Wu Zheng1; Gao Quan-zhou3; Li Yun-zhuo1
通讯作者Yang Yi
来源期刊GEOCHEMISTRY INTERNATIONAL
ISSN0016-7029
EISSN1556-1968
出版年2008
卷号46期号:1页码:96-103
英文摘要

This paper analyzes the contents of 16 trace elements in the strata of the Chagelebulu Stratigraphic Section, Badain Jaran Desert, since 150 kyr B.P. and discovered that both the contents of the relatively stable elements, such as P, Mn, Zr, Cr, Pb, Rb, Nb, Y, and the relatively active elements, such as V, Sr, Ni, Cu, Zn, As fluctuated with the sedimentary cycles composed of 25 aeolian dune sands, loess, paleosols, lacustrine facies, alluvial, and colluvial sandy gravels, showing 25 cycles of low-high variation and a fluctuant jagged graph of chemical elements’ migration and accumulation. The lower contents of the elements in the aeolian sands show the erosion, migration and deposition of wind power in a cold and arid climate. The relative accumulation of sandy-gravel layers, especially the lacustrine facies, loess, and paleosols correlates with the section’s position in the special depression relief with a background of warm and humid climate. The above-mentioned variational characteristics were mainly caused by 25 cycles of arid-cold, windy, and warm-humid climatic fluctuation on the southern fringe of the Badain Jaran Desert since 150 kyr B.P. The essential reason bears a relationship with the back and force swing of the East Asia winter monsoon and summer monsoon influenced by climatic vicissitudes during the glacial and interglacial periods.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000252919800009
WOS关键词SOUTHERN FRINGE
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/2XILL650/157381
作者单位1.S China Normal Univ, Sch Geog Sci, Guangzhou 510631, Guangdong, Peoples R China;
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Shaanxi, Peoples R China;
3.Zhongshan Univ, Sch Geog Sci, Guangzhou 510631, Guangdong, Peoples R China
推荐引用方式
GB/T 7714
Yang Yi,Li Bao-sheng,Qiu Shi-fan,et al. Climatic changes indicated by trace elements in the Chagelebulu stratigraphic section, Badain Jaran Desert, China, since 150 kyr BP[J]. 中国科学院地球环境研究所,2008,46(1):96-103.
APA Yang Yi,Li Bao-sheng,Qiu Shi-fan,Wu Zheng,Gao Quan-zhou,&Li Yun-zhuo.(2008).Climatic changes indicated by trace elements in the Chagelebulu stratigraphic section, Badain Jaran Desert, China, since 150 kyr BP.GEOCHEMISTRY INTERNATIONAL,46(1),96-103.
MLA Yang Yi,et al."Climatic changes indicated by trace elements in the Chagelebulu stratigraphic section, Badain Jaran Desert, China, since 150 kyr BP".GEOCHEMISTRY INTERNATIONAL 46.1(2008):96-103.
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