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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
Source PublicationGEOPHYSICAL RESEARCH LETTERS
Volume43Issue:3Pages:1323-1330
SubtypeArticle
AbstractSummer 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.
KeywordTibetan Plateau Lake Qinghai Alkenones Temperature Holocene Peopling
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/2015GL067317
WOS KeywordABRUPT CLIMATE-CHANGE ; HAPTOPHYTE ALGAE ; WESTERN TIBET ; RECORD ; QINGHAI ; MONSOON ; OCEAN ; MOUNTAINS ; SALINITY ; COASTAL
Indexed BySCI
Language英语
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000372056600047
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5798
Collection加速器质谱中心
Affiliation1.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
Recommended Citation
GB/T 7714
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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