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Large Holocene summer temperature oscillations and impact on the peopling of the northeastern Tibetan Plateau
Hou, Juzhi1,2; Huang, Yongsong2,3; Zhao, Jiangtao2,3; Liu, Zhonghui4; Colman, Steve5; An, Zhisheng3
2016-02-16
发表期刊GEOPHYSICAL RESEARCH LETTERS
卷号43期号:3页码:1323-1330
文章类型Article
摘要Summer temperatures on the Tibetan Plateau (TP) significantly affect stability of glaciers that provide steady water resources to nearly half of the world population. However, lack of reliable, long-term proxy records greatly impedes understanding of regional temperature sensitivity to climate forcings. Here we present a 16ka long, alkenone-based summer temperature record from Lake Qinghai, northeastern TP that demonstrates major regional temperature response to changes in summer insolation and Atlantic Meridional Overturning Circulation during the Holocene and late glacial. Importantly, we find a period of sustained summer temperature decline (>4 degrees C) between 5 and 3.5ka, which coincides with expansion of Barents Sea ice coverage and is likely driven by intensification of the Westerlies. This unusually long and pronounced regional cooling event likely delayed permanent human settlements on the high-altitude regions (>3000m) of the TP by at least 500years.
关键词Tibetan Plateau Lake Qinghai Alkenones Temperature Holocene Peopling
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/2015GL067317
关键词[WOS]ABRUPT CLIMATE-CHANGE ; HAPTOPHYTE ALGAE ; WESTERN TIBET ; RECORD ; QINGHAI ; MONSOON ; OCEAN ; MOUNTAINS ; SALINITY ; COASTAL
收录类别SCI
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000372056600047
引用统计
被引频次:21[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/361006/5798
专题加速器质谱中心
作者单位1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing, Peoples R China
2.Brown Univ, Dept Earth Environm & Planetary Sci, Providence, RI 02912 USA
3.Chinese Acad Sci, Inst Earth Environm, Xian, Peoples R China
4.Univ Hong Kong, Dept Earth Sci, Hong Kong, Hong Kong, Peoples R China
5.Univ Minnesota, Large Lake Observ, Duluth, MN 55812 USA
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Hou, Juzhi,Huang, Yongsong,Zhao, Jiangtao,et al. Large Holocene summer temperature oscillations and impact on the peopling of the northeastern Tibetan Plateau[J]. GEOPHYSICAL RESEARCH LETTERS,2016,43(3):1323-1330.
APA Hou, Juzhi,Huang, Yongsong,Zhao, Jiangtao,Liu, Zhonghui,Colman, Steve,&An, Zhisheng.(2016).Large Holocene summer temperature oscillations and impact on the peopling of the northeastern Tibetan Plateau.GEOPHYSICAL RESEARCH LETTERS,43(3),1323-1330.
MLA Hou, Juzhi,et al."Large Holocene summer temperature oscillations and impact on the peopling of the northeastern Tibetan Plateau".GEOPHYSICAL RESEARCH LETTERS 43.3(2016):1323-1330.
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