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Late Miocene-early Pleistocene paleoproductivity variations of the Lop Nor in the Tarim Basin and its implications on aridification in Asian Interior
Chang, H (Chang, Hong)[ 1 ]; An, ZS (An, Zhisheng)[ 1 ]; Liu, WG (Liu, Weiguo)[ 1 ]; Wu, F (Wu, Feng)[ 1 ]; Qiang, XK (Qiang, Xiaoke)[ 1 ]; Song, YG (Song, Yougui)[ 1 ]
2014-10-15
发表期刊CHINESE SCIENCE BULLETIN
卷号59期号:28页码:3650-3658
文章类型期刊论文
摘要

Extensive lacustrine deposits in the eastern Tarim Basin provide records of climate change influenced by the westerly winds and the Asian monsoon. To characterize the evolution of climate change in this region, we analyze elemental concentrations of barium (Ba) from the Ls2 drill core of Lop Nor, a paleo-lakebed located in the eastern Tarim Basin. Biogenic Ba concentrations from this drill core display a large-amplitude oscillation that generally follows a pattern similar to that of Artemisia content and ostracod assemblages, suggesting that is may serve as an index for climate change experienced in the basin. Our results indicate that biogenic Ba is especially sensitive to precipitation. All climatic proxies served in this study vary significantly over late Miocene to early Pleistocene time period. Strong aridification of eastern Tarim in the late Miocene to the early Pliocene may be attributed to a latitudinal shift in the westerly winds, which would have resulted in more moisture transported to southern and eastern Tibet. The growth of the Himalaya and Tibetan Plateau may have acted as an orographic barrier that blocked moisture sourced in the south from the northern margins of the plateau. We link weaker aridification in the late Pliocene to an increased intensity of the Indian Monsoon.

关键词Paleoproductivity Climatic Change Westerly Wind Biogenic Barium Growth Of Thetibetan Plateau Expansion Of Global Ice Volume Asian Monsoon
DOI10.1007/s11434-014-0327-1
收录类别SCI
语种英语
引用统计
被引频次:1[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/361006/9685
专题古环境研究室
通讯作者Chang, H (Chang, Hong)[ 1 ]
作者单位State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment, Chinese Academy of Sciences,Xi’an 710075, China
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GB/T 7714
Chang, H ,An, ZS ,Liu, WG ,et al. Late Miocene-early Pleistocene paleoproductivity variations of the Lop Nor in the Tarim Basin and its implications on aridification in Asian Interior[J]. CHINESE SCIENCE BULLETIN,2014,59(28):3650-3658.
APA Chang, H ,An, ZS ,Liu, WG ,Wu, F ,Qiang, XK ,&Song, YG .(2014).Late Miocene-early Pleistocene paleoproductivity variations of the Lop Nor in the Tarim Basin and its implications on aridification in Asian Interior.CHINESE SCIENCE BULLETIN,59(28),3650-3658.
MLA Chang, H ,et al."Late Miocene-early Pleistocene paleoproductivity variations of the Lop Nor in the Tarim Basin and its implications on aridification in Asian Interior".CHINESE SCIENCE BULLETIN 59.28(2014):3650-3658.
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