Effect of aridification on carbon isotopic variation and ecologic evolution at 5.3 Ma in the Asian interior
Sun, JM (Sun, Jimin)[ 1 ]; Lu, TY (Lu, Tongyan)[ 2 ]; Gong, YZ (Gong, Yingzeng)[ 1 ]; Liu, WG (Liu, Weiguo)[ 3 ]; Wang, X (Wang, Xu)[ 1 ]; Gong, ZJ (Gong, Zhijun)[ 1 ]
2013-10-15
发表期刊EARTH AND PLANETARY SCIENCE LETTERS
卷号380页码:1-11
文章类型期刊论文
摘要

The Cenozoic era is marked by dramatic climatic and ecological changes. The timing of the emergence and the subsequent expansions of C-4 grasses are prominent biological events on Earth. In China, thick Cenozoic deposits in the Tarim and Junggar Basins, which are located in the Asian interior, provide important geological archives for studying paleoenvironmental changes. Here we use carbon isotope compositions of organic matter to reconstruct the history of ecologic evolution during the late Cenozoic in the Tarim and Junggar Basins. The results show that there is a shift to slightly higher delta C-13 values at 5.3 Ma indicating a change in terrestrial ecosystems in the Asian interior driven by an increased regional aridity rather than decreasing atmospheric pCO(2) levels. The weakened water vapor transportation related to the retreat of Paratethys Ocean and the enhanced rain shadow effect of mountain uplift during the latest Miocene mostly triggered this event.

关键词Stable Carbon Isotope Latest Miocene C4 Expansion Asian Interior
DOI10.1016/j.epsl.2013.08.027
收录类别SCI ; EI
语种英语
引用统计
被引频次:12[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/361006/9992
专题黄土与第四纪地质国家重点实验室(2010~)
通讯作者Sun, JM (Sun, Jimin)[ 1 ]
作者单位1.State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, PO Box 9825, Beijing 100029, China;
2.Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing, China;
3.Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China
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Sun, JM ,Lu, TY ,Gong, YZ ,et al. Effect of aridification on carbon isotopic variation and ecologic evolution at 5.3 Ma in the Asian interior[J]. EARTH AND PLANETARY SCIENCE LETTERS,2013,380:1-11.
APA Sun, JM ,Lu, TY ,Gong, YZ ,Liu, WG ,Wang, X ,&Gong, ZJ .(2013).Effect of aridification on carbon isotopic variation and ecologic evolution at 5.3 Ma in the Asian interior.EARTH AND PLANETARY SCIENCE LETTERS,380,1-11.
MLA Sun, JM ,et al."Effect of aridification on carbon isotopic variation and ecologic evolution at 5.3 Ma in the Asian interior".EARTH AND PLANETARY SCIENCE LETTERS 380(2013):1-11.
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