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dc.contributor.author
Yang, Ce
dc.contributor.author
Dang, Haowen
dc.contributor.author
Zhou, Xiaoli
dc.contributor.author
Zhang, Hongrui
dc.contributor.author
Wang, Xingxing
dc.contributor.author
Wang, Yue
dc.contributor.author
Qiao, Peijun
dc.contributor.author
Jiang, Xiaoying
dc.contributor.author
Jian, Zhimin
dc.date.accessioned
2021-04-29T15:24:53Z
dc.date.available
2021-04-29T11:18:43Z
dc.date.available
2021-04-29T15:24:53Z
dc.date.issued
2021-06
dc.identifier.issn
0921-8181
dc.identifier.other
10.1016/j.gloplacha.2021.103478
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/481340
dc.description.abstract
The evolution of the East Asian monsoon (EAM) in the geologic time is of great importance to our understanding of the global climate system. However, variations in the monsoon rainfall and the upper ocean thermal gradient are not well understood in the South China Sea (SCS) during the middle to late Miocene. Here, we present δ18O and Mg/Ca-derived temperature records of the surface and subsurface waters from International Ocean Discovery Program (IODP) Site U1501, and use them to reconstruct the upper ocean thermal structure, which reflects changes in the East Asian summer monsoon (EASM) in the SCS over 13.6–7.3 Ma. The differences between the surface and thermocline records (Δδ18Osurface-thermocline and ΔTsurface-thermocline) indicate a shallower thermocline and increased thermal gradient between the surface and subsurface waters, implying that upper water mixing was weaker during 9.4–7.3 Ma, which may relate to an increased EASM rainfall. Changes in the local seawater δ18Oseawater (δ18OSW) of U1501 also suggest a decrease in the intensity of the EASM rainfall during 13.6–10.2 Ma and an increase during 10.2–7.3 Ma. From the perspectives of moisture supply and general circulation, the initial formation of the western Pacific warm pool (WPWP) and uplift of Tibetan Plateau essentially influenced the variations in the EASM during the middle to late Miocene.
en_US
dc.language.iso
en
en_US
dc.publisher
Elsevier
en_US
dc.subject
Stable isotopes
en_US
dc.subject
Mg/Ca-derived water temperature
en_US
dc.subject
Local δ18OSW
en_US
dc.subject
Upper ocean thermal structure
en_US
dc.subject
East Asian Monsoon
en_US
dc.subject
South China Sea
en_US
dc.subject
IODP Site U1501
en_US
dc.title
Upper ocean hydrographic changes in response to the evolution of the East Asian monsoon in the northern South China Sea during the middle to late Miocene
en_US
dc.type
Journal Article
dc.date.published
2021-04-03
ethz.journal.title
Global and Planetary Change
ethz.journal.volume
201
en_US
ethz.journal.abbreviated
Global Plan Change
ethz.pages.start
103478
en_US
ethz.size
8 p.
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Amsterdam
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02330 - Dep. Erdwissenschaften / Dep. of Earth Sciences::02704 - Geologisches Institut / Geological Institute::09601 - Stoll, Heather / Stoll, Heather
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02330 - Dep. Erdwissenschaften / Dep. of Earth Sciences::02704 - Geologisches Institut / Geological Institute::09601 - Stoll, Heather / Stoll, Heather
ethz.date.deposited
2021-04-29T11:18:47Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2021-04-29T15:25:09Z
ethz.rosetta.lastUpdated
2023-02-06T21:45:33Z
ethz.rosetta.versionExported
true
ethz.COinS
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