IGGCAS OpenIR  > 新生代地质与环境院重点实验室
Orbital Forcing of Climatic Changes on the Central Tibetan Plateau Reveals Late Oligocene to Early Miocene South Asian Monsoon Evolution
Su, Bai1,2; Sun, Jimin1,3; Jin, Chun-Sheng1,3
2022-03-16
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Volume49Issue:5Pages:12
AbstractThe 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.
Keywordmonsooon paleoclimate environmental magnetism Tibetan Plateau South Asian monsoon orbital forcing
DOI10.1029/2021GL097428
Funding OrganizationNational 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
WOS KeywordDEEP-SEA SEDIMENTS ; LUNPOLA BASIN ; LATE-EOCENE ; ENVIRONMENTAL MAGNETISM ; SUMMER MONSOONS ; RECORD ; UPLIFT ; LAKE ; AGE ; SUSCEPTIBILITY
Language英语
Funding ProjectNational 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]
Funding OrganizationNational 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
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000773409300020
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/105047
Collection新生代地质与环境院重点实验室
Corresponding AuthorSun, Jimin; Jin, Chun-Sheng
Affiliation1.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
Recommended Citation
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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