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Late Miocene-Pliocene Asian summer monsoon variability linked to both tropical Pacific temperature and Walker Circulation
Wang, Mengyuan1,2; Wang, Huanye3; Zhu, Zhixin4; Yang, Xiaoqiang5; Zhang, Ke5; Zhang, Yancheng1,4; Liu, Weiguo3; Zheng, Zhuo2,5; Zong, Yongqiang4; Liu, Zhonghui4
Corresponding AuthorZong, Yongqiang(yqzong@hku.hk) ; Liu, Zhonghui(zhliu@hku.hk)
2021-05-01
Source PublicationEARTH AND PLANETARY SCIENCE LETTERS
ISSN0012-821X
Volume561Pages:10
AbstractThe Pliocene climate, characterized by sustained global warmth and weakened Walker Circulation, might be a potential analogue of our future climate. How Asian Summer Monsoon (ASM) evolved over this period and its controlling mechanisms remain controversial, which limits our understanding of future monsoon behavior. Here, we present alkenone- and GDGT-based records reconstructed from the northern coast of the South China Sea, interpreted to document the strength of ASM-induced upwelling/mixing effect, to infer Late Miocene-Pliocene ASM variability. Cooler local sea surface temperatures occurred between similar to 5.6 million years ago (Ma) and 4.3 Ma, corresponding to Pliocene warmer conditions, effectively capturing the cooling signal induced by summer upwelling. Our multiple biomarker records consistently indicate three phases of Late Miocene-Pliocene ASM evolution: weak ASM strength at similar to 6.5-5.6 Ma, substantially enhanced strength at 5.6-4.3 Ma, and reduced strength but with a slightly strengthening trend after similar to 4.3 Ma. The three features have been reported collectively from previous terrestrial and marine records. The close correspondence of the ASM strength to tropical temperature before similar to 4.3 Ma suggests a dominant tropical temperature control, whereas the increasing ASM strength after that, opposite to temperature changes, implies that the developed Walker Circulation started to influence ASM strength over the Late Pliocene. Hence, tropical temperature and Walker Circulation appear to have exerted competing roles in the Late Miocene-Pliocene ASM evolution. (C) 2021 Elsevier B.V. All rights reserved.
KeywordAsian summer monsoon Late Miocene-Pliocene South China Sea sea surface temperature Walker Circulation
DOI10.1016/j.epsl.2021.116823
Indexed BySCI ; SCI
Language英语
Funding ProjectStrategic Priority Research Program of Chinese Academy of Sciences[XDB40000000] ; National Key Research and Development Program of China[2016YFA0601204] ; Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)[311020002] ; National Natural Science Foundation of China[41472143] ; HK RGC[17305019] ; Project of earthquakes, volcanoes and active faults in Qiongzhou Strait, National Institute of Natural Hazards, Ministry of Emergency Management of China
WOS Research AreaGeochemistry & Geophysics
Funding OrganizationStrategic Priority Research Program of Chinese Academy of Sciences ; National Key Research and Development Program of China ; Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) ; National Natural Science Foundation of China ; HK RGC ; Project of earthquakes, volcanoes and active faults in Qiongzhou Strait, National Institute of Natural Hazards, Ministry of Emergency Management of China
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000631258000013
PublisherELSEVIER
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/16190
Collection加速器质谱中心
第四纪科学与全球变化卓越创新中心
Corresponding AuthorZong, Yongqiang; Liu, Zhonghui
Affiliation1.Sun Yat Sen Univ, Sch Marine Sci, Zhuhai 519082, Peoples R China
2.Southern Marine Sci & Engn Guangdong Lab Zhuhai, Zhuhai 519000, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
4.Univ Hong Kong, Dept Earth Sci, Hong Kong, Peoples R China
5.Sun Yat Sen Univ, Sch Earth Sci & Engn, Zhuhai 519082, Peoples R China
Recommended Citation
GB/T 7714
Wang, Mengyuan,Wang, Huanye,Zhu, Zhixin,et al. Late Miocene-Pliocene Asian summer monsoon variability linked to both tropical Pacific temperature and Walker Circulation[J]. EARTH AND PLANETARY SCIENCE LETTERS,2021,561:10.
APA Wang, Mengyuan.,Wang, Huanye.,Zhu, Zhixin.,Yang, Xiaoqiang.,Zhang, Ke.,...&Liu, Zhonghui.(2021).Late Miocene-Pliocene Asian summer monsoon variability linked to both tropical Pacific temperature and Walker Circulation.EARTH AND PLANETARY SCIENCE LETTERS,561,10.
MLA Wang, Mengyuan,et al."Late Miocene-Pliocene Asian summer monsoon variability linked to both tropical Pacific temperature and Walker Circulation".EARTH AND PLANETARY SCIENCE LETTERS 561(2021):10.
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