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  4. 中国科学院新生代地质与环境重点实验室
Orbital Forcing of Climatic Changes on the Central Tibetan Plateau Reveals Late Oligocene to Early Miocene South Asian Monsoon Evolution

文献类型：期刊论文

作者Su, Bai1,2; Sun, Jimin1,3; Jin, Chun-Sheng1,3
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2022-03-16
卷号49期号:5页码:12
关键词monsooon paleoclimate environmental magnetism Tibetan Plateau South Asian monsoon orbital forcing
ISSN号0094-8276
DOI10.1029/2021GL097428
英文摘要The uplift of the Tibetan Plateau (TP) is generally considered to have triggered the Asian monsoon system. However, a long-standing scarcity of high-resolution paleoclimatic records on the TP makes it unclear when the South Asian monsoon (SAM) reached the central TP. Here, we investigated the environmental magnetic properties of a lacustrine sequence (similar to 25.5-19.8 Ma) from the Lunpola Basin. Hematite is the dominant magnetic mineral with concentrations that vary with "box-shaped" peaks that mainly resulted from preferential preservation and dissolution of detrital iron oxides in alternating nonsteady state redox environments. Environmental magnetic sequences reflect distinct dry-wet cycles with a similar to 400 kyr eccentricity periodicity, which are proposed to have been driven by SAM intensity. Therefore, our study reveals that the SAM intensified and advanced northward to the Lunpola Basin by at least similar to 25.5 Ma.
WOS关键词DEEP-SEA SEDIMENTS ; LUNPOLA BASIN ; LATE-EOCENE ; ENVIRONMENTAL MAGNETISM ; SUMMER MONSOONS ; RECORD ; UPLIFT ; LAKE ; AGE ; SUSCEPTIBILITY
资助项目National Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[41672168] ; National Natural Science Foundation of China[41877452] ; National Natural Science Foundation of China[42177434] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA20070202] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program[2019QZKK0700]
WOS研究方向Geology
语种英语
WOS记录号WOS:000773409300020
出版者AMER GEOPHYSICAL UNION
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program ; Second Tibetan Plateau Scientific Expedition and Research (STEP) Program
源URL[http://ir.iggcas.ac.cn/handle/132A11/105047]  
专题地质与地球物理研究所_中国科学院新生代地质与环境重点实验室
通讯作者Sun, Jimin; Jin, Chun-Sheng
作者单位1.Chinese Acad Sci, Key Lab Cenozo Geol & Environm, Inst Geol & Geophys, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Su, Bai,Sun, Jimin,Jin, Chun-Sheng. Orbital Forcing of Climatic Changes on the Central Tibetan Plateau Reveals Late Oligocene to Early Miocene South Asian Monsoon Evolution[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(5):12.
APA Su, Bai,Sun, Jimin,&Jin, Chun-Sheng.(2022).Orbital Forcing of Climatic Changes on the Central Tibetan Plateau Reveals Late Oligocene to Early Miocene South Asian Monsoon Evolution.GEOPHYSICAL RESEARCH LETTERS,49(5),12.
MLA Su, Bai,et al."Orbital Forcing of Climatic Changes on the Central Tibetan Plateau Reveals Late Oligocene to Early Miocene South Asian Monsoon Evolution".GEOPHYSICAL RESEARCH LETTERS 49.5(2022):12.

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来源：地质与地球物理研究所

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