Статья

A new biologic paleoaltimetry indicating Late Miocene rapid uplift of northern Tibet Plateau

Yunfa MiaoKey Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, ChinaXiaomin FangState Key Laboratory of Tibetan Plateau Earth System Science, Resources and Environment (TPESRE), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, ChinaJimin SunKey Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, ChinaWenjiao XiaoNational Key Laboratory of Arid Area Ecological Security and Sustainable Development, Chinese Academy of Sciences, Urumqi 830011, ChinaYongheng YangKey Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, ChinaXuelian WangKey Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, ChinaAlex FarnsworthSchool of Geographical Sciences and Cabot Institute, University of Bristol, Bristol BS8 1SS, UKKangyou HuangGuangdong Provincial Key Laboratory of Geodynamics and Geohazards, School of Earth Sciences and Engineering, Sun Yat-sen University, Zhuhai 519082, ChinaYulong RenKey Laboratory of Arid Climate Change and Disaster Reduction of CMA and of Gansu Province, Institute of Arid Meteorology, Lanzhou 730000, ChinaFuli WuState Key Laboratory of Tibetan Plateau Earth System Science, Resources and Environment (TPESRE), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, ChinaQingqing QiaoNational Key Laboratory of Arid Area Ecological Security and Sustainable Development, Chinese Academy of Sciences, Urumqi 830011, ChinaWeilin ZhangState Key Laboratory of Tibetan Plateau Earth System Science, Resources and Environment (TPESRE), Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, ChinaQingquan MengSchool of Earth Sciences and Key Laboratory of Mineral Resources in Western China (Gansu Province), Lanzhou University, Lanzhou 730000, ChinaXiaoli YanSchool of Earth Sciences and Key Laboratory of Mineral Resources in Western China (Gansu Province), Lanzhou University, Lanzhou 730000, ChinaZhuo ZhengGuangdong Provincial Key Laboratory of Geodynamics and Geohazards, School of Earth Sciences and Engineering, Sun Yat-sen University, Zhuhai 519082, ChinaChunhui SongSchool of Earth Sciences and Key Laboratory of Mineral Resources in Western China (Gansu Province), Lanzhou University, Lanzhou 730000, ChinaTorsten UtescherSenckenberg Research Institute, Frankfurt am Main, Steinmann Institute, Bonn University, 53115 Bonn, Germany

2022en

ABI

Аннотация

The uplift of the Tibet Plateau (TP) during the Miocene is crucial to understanding the evolution of Asian monsoon regimes and alpine biodiversity. However, the northern Tibet Plateau (NTP) remains poorly investigated. We use pollen records of montane conifers ( Tsuga , Podocarpus , Abies , and Picea ) as a new paleoaltimetry to construct two parallel midrange paleoelevation sequences in the NTP at 1332 ± 189 m and 433 ± 189 m, respectively, during the Middle Miocene [~15 million years ago (Ma)]. Both midranges increased rapidly to 3685 ± 87 m in the Late Miocene (~11 Ma) in the east, and to 3589 ± 62 m at ~7 Ma in the west. Our estimated rises in the east and west parts of the NTP during 15 to 7 Ma, together with data from other TP regions, indicate that during the Late Miocene the entire plateau may have reached a high elevation close to that of today, with consequent impacts on atmospheric precipitation and alpine biodiversity.

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Идентификаторы

DOI: 10.1126/science.abo2475

Цитирования и источники

Цитирований: 3Использованных источников: 0

Показатели — AkademScholar