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学科主题: 地球科学::地质学
题名: Late Cenozoic pollen concentration in the western Qaidam Basin, northern Tibetan Plateau, and its significance for paleoclimate and tectonics
作者: Miao, YF (Miao, Yunfa)1; Fang, XM (Fang, Xiaomin)2, 3; Liu, YS (Liu, Yu-Sheng (Christopher))4; Yan, XL (Yan, XiaoLi)5, 6; Li, SY (Li, Shiyuan)7; Xia, WM (Xia, Weimin)7
通讯作者: Miao, YF
刊名: REVIEW OF PALAEOBOTANY AND PALYNOLOGY
发表日期: 2016
DOI: 10.1016/j.revpalbo.2016.04.008
卷: 231, 期:0, 页:14-22
收录类别: SCI
合作性质: 国际
文章类型: Article
英文摘要: Pollen concentration (PC) has rarely been used to assess long-term paleoclimate (for example over the Miocene period), vegetation production, sedimentary environment or other factors, particularly for the Tibetan Plateau. In the western Qaidam Basin, on the northern Tibetan Plateau, PCs covering the period similar to 18-5 million years ago (Ma) were calculated and interpreted in terms of the underlying driving forces. The results show that the PCs of the most xerophytic taxa remained stable, while all coniferous taxa decreased during similar to 18-10 Ma. We attribute this phenomenon to continuous aridification, and argue that global cooling played a key role. During similar to 10-5 Ma, the PCs of all taxa increased rapidly, which is contradictory to the continuous aridification after 10 Ma in the western Qaidam Basin. The Tibetan Plateau tectonics around similar to 10-5 Ma caused a change in the sedimentary environment and consequently played an important role in the increase in PCs after 10 Ma. Thus the PC can be a useful proxy for investigations into long-term paleoclimate and tectonics on the Tibetan Plateau. (C) 2016 Elsevier B.V. All rights reserved.
语种: 英语
WOS记录号: WOS:000379104500002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7653
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Cold & Arid Regions Environm & Engn Inst, Key Lab Desert & Desertificat, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100085, Peoples R China
3.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Prairie View A&M Univ, Prairie View, TX 77446 USA
5.Lanzhou Univ, Sch Earth Sci, Lanzhou 730000, Peoples R China
6.Lanzhou Univ, Key Lab Western Chinas Mineral Resources Gansu Pr, Lanzhou 730000, Peoples R China
7.Qinghai Petr Subcorp PetroChina Co Ltd, Dunhuang 736202, Peoples R China

Recommended Citation:
Miao, YF ,Fang, XM ,Liu, YS ,et al. Late Cenozoic pollen concentration in the western Qaidam Basin, northern Tibetan Plateau, and its significance for paleoclimate and tectonics[J]. REVIEW OF PALAEOBOTANY AND PALYNOLOGY,2016,231(0):14-22.
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