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| Tectonic forcing of environmental transition in Central Asia at-11-9 Ma | |
| Zhang, Tao; Han, Wenxia; Fang, Xiaomin; Song, Chunhui; Wang, Yadong; Tian, Qian; Zhang, Weilin; Feng, Zhantao; Tan, Mengqi | |
| 通讯作者 | Zhang, T (通讯作者)，Lanzhou Univ, Key Lab Western Chinas Mineral Resources Gansu Pr, Sch Earth Sci, Lanzhou, Peoples R China. |
| 发表日期 | 2021 |
| ISSN | 1342-937X |
| EISSN | 1878-0571 |
| 起始页码 | 19 |
| 结束页码 | 30 |
| 卷号 | 89 |
| 英文摘要 | A comprehensive understanding of the Neogene paleoenvironmental evolution of Central Asia is important for predicting the future climatic and environmental conditions within the region. However, our understanding of the relative roles of Tibetan Plateau (TP) uplift and global cooling in driving its paleoenvironmental evolution remain elusive. Here we present two well-dated (-16-5 Ma) independent environmental magnetic records from the northern TP, together with a comprehensive analysis of other well-dated Neogene environmental magnetic datasets for ten other sites from the northern TP. The results indicate synchronous changes in magnetic parameters which we interpret as reflecting a major environmental transition in Central Asia at-11-9 Ma, which is sup ported by evidence from multiple independent paleoecological and paleoclimatic studies. A major environmental transition at 11-9 Ma is also supported by the results of linear and non-linear analyses of the magnetic records of the two studied sections. Our analyses reveal that prior to-11 Ma, the environmental fluctuations within the QB were primarily driven by insolation variations modulated by Earth orbital parameters; however, after-11 Ma this influence faded and there was a shift from a stable environmental system, characterized by periodic fluctuations, to an unstable system with erratic fluctuations. The timing of this phase shift in the paleoenvironment of Central Asia was not related to global cooling but it coincided with extensive tectonic activity in the TP. Together with conceptual models and previous numerical simulations results, we conclude that a major shift of the dominant driver of Central Asia paleoenvironment occurred at-11-9 Ma and that uplift of the TP, rather than global cooling, was responsible. (c) 2020 International Association for Gondwana Research. Published by Elsevier B.V. All rights reserved. |
| 关键词 | NORTHERN TIBETAN PLATEAUWESTERN QAIDAM BASINCLIMATE-CHANGETAGH RANGENW CHINASEDIMENTARY RECORDSEXHUMATION HISTORYNORTHEASTERN TIBETMIOCENE-PLIOCENEMOUNTAIN-RANGES |
| 英文关键词 | Paleoenvironmental change; Central Asia; Neogene; Global cooling; Tectonic activity |
| 语种 | 英语 |
| WOS研究方向 | Geology |
| WOS类目 | Geosciences, Multidisciplinary |
| WOS记录号 | WOS:000593760600002 |
| 来源期刊 | GONDWANA RESEARCH
 |
| 来源机构 | 中国科学院西北生态环境资源研究院 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/254921 |
| 作者单位 | [Zhang, Tao; Song, Chunhui] Lanzhou Univ, Key Lab Western Chinas Mineral Resources Gansu Pr, Sch Earth Sci, Lanzhou, Peoples R China; [Zhang, Tao; Fang, Xiaomin; Zhang, Weilin; Tan, Mengqi] Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China; [Zhang, Tao; Fang, Xiaomin; Zhang, Weilin; Tan, Mengqi] Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing, Peoples R China; [Han, Wenxia] Linyi Univ, Shandong Prov Key Lab Water & Soil Conservat & En, Coll Resources & Environm, Linyi, Shandong, Peoples R China; [Fang, Xiaomin; Tan, Mengqi] Univ Chinese Acad Sci, Beijing, Peoples R China; [Wang, Yadong] Chinese Acad Sci, China Northwest Inst Ecoenvironm & Resources, Lanzhou, Gansu, Peoples R China; [Wang, Yadong] Key Lab Petr Resources, Lanzhou, Gansu, Peoples R China; [Tian, Qian] Yanan Univ, Yanan, Peoples R China; [Feng, Zhantao] Lanzhou Univ, Coll Earth & Environm Sci, Lanzhou, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Tao,Han, Wenxia,Fang, Xiaomin,et al. Tectonic forcing of environmental transition in Central Asia at-11-9 Ma[J]. 中国科学院西北生态环境资源研究院,2021,89. |
| APA | Zhang, Tao.,Han, Wenxia.,Fang, Xiaomin.,Song, Chunhui.,Wang, Yadong.,...&Tan, Mengqi.(2021).Tectonic forcing of environmental transition in Central Asia at-11-9 Ma.GONDWANA RESEARCH,89. |
| MLA | Zhang, Tao,et al."Tectonic forcing of environmental transition in Central Asia at-11-9 Ma".GONDWANA RESEARCH 89(2021). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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