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Middle Eocene greenhouse warming facilitated by diminished weathering feedback
van der Ploeg, Robin1; Selby, David2,3; Cramwinckel, Margot J.1; Li, Yang4,5; Bohaty, Steven M.6; Middelburg, Jack J.1; Sluijs, Appy1
2018-07-23
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Volume9Pages:10
AbstractThe Middle Eocene Climatic Optimum (MECO) represents a similar to 500-kyr period of global warming similar to 40 million years ago and is associated with a rise in atmospheric CO2 concentrations, but the cause of this CO2 rise remains enigmatic. Here we show, based on N osmium isotope ratios (Os-187/Os-188) of marine sediments and published records of the carbonate compensation depth (CCD), that the continental silicate weathering response to the inferred CO2 rise and warming was strongly diminished during the MECO-in contrast to expectations from the silicate weathering thermostat hypothesis. We surmise that global early and middle Eocene warmth gradually diminished the weatherability of continental rocks and hence the strength of the silicate weathering feedback, allowing for the prolonged accumulation of volcanic CO2 in the oceans and atmosphere during the MECO. These results are supported by carbon cycle modeling simulations, which highlight the fundamental importance of a variable weathering feedback strength in climate and carbon cycle interactions in Earth's history.
DOI10.1038/s41467-018-05104-9
Funding OrganizationMinistry of Education, Culture and Science (OCW) of the Netherlands ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Institute of Geology and Geophysics, Chinese Academy of Sciences
WOS KeywordOSMIUM ISOTOPIC COMPOSITION ; ATMOSPHERIC CARBON-DIOXIDE ; RE-OS GEOCHRONOLOGY ; EQUATORIAL PACIFIC ; DECCAN VOLCANISM ; CENOZOIC CLIMATE ; EARLY OLIGOCENE ; CYCLE ; CO2 ; OCEAN
Language英语
Funding ProjectMinistry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences[SKL-K201706]
Funding OrganizationMinistry of Education, Culture and Science (OCW) of the Netherlands ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Ministry of Education, Culture and Science (OCW) of the Netherlands ; Total endowment fund ; Total endowment fund ; Dida Scholarship of CUG Wuhan ; Dida Scholarship of CUG Wuhan ; Institute of Geology and Geophysics, Chinese Academy of Sciences ; Institute of Geology and Geophysics, Chinese Academy of Sciences
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000439426100004
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/94013
Collection岩石圈演化国家重点实验室
Corresponding Authorvan der Ploeg, Robin
Affiliation1.Univ Utrecht, Fac Geosci, Dept Earth Sci, NL-3584 CB Utrecht, Netherlands
2.Univ Durham, Dept Earth Sci, Durham DH1 3LE, England
3.China Univ Geosci, Sch Earth Resources, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
4.Yale Univ, Dept Geol & Geophys, New Haven, CT 06511 USA
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 10029, Peoples R China
6.Univ Southampton, Ocean & Earth Sci Natl Oceanog Ctr, Waterfront Campus, Southampton SO14 3ZH, Hants, England
Recommended Citation
GB/T 7714
van der Ploeg, Robin,Selby, David,Cramwinckel, Margot J.,et al. Middle Eocene greenhouse warming facilitated by diminished weathering feedback[J]. NATURE COMMUNICATIONS,2018,9:10.
APA van der Ploeg, Robin.,Selby, David.,Cramwinckel, Margot J..,Li, Yang.,Bohaty, Steven M..,...&Sluijs, Appy.(2018).Middle Eocene greenhouse warming facilitated by diminished weathering feedback.NATURE COMMUNICATIONS,9,10.
MLA van der Ploeg, Robin,et al."Middle Eocene greenhouse warming facilitated by diminished weathering feedback".NATURE COMMUNICATIONS 9(2018):10.
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