Matches in SemOpenAlex for { <https://semopenalex.org/work/W2994792809> ?p ?o ?g. }
Showing items 1 to 92 of
92
with 100 items per page.
- W2994792809 abstract "During the Middle Miocene, Earth's climate transitioned from a relatively warm phase (Miocene climatic optimum) to a colder mode with reestablishment of permanent ice sheets on Antarctica, thus marking a fundamental step in Cenozoic cooling. Carbon sequestration and atmospheric CO2 drawdown through increased terrestrial and/or marine productivity have been proposed as the main drivers of this fundamental transition. We integrate high-resolution (1-3 k.y.) benthic stable isotope data with X-ray fluorescence scanner-derived biogenic silica and carbonate accumulation estimates in an exceptionally well preserved sedimentary archive, recovered at Integrated Ocean Drilling Program Site U1338, to reconstruct eastern equatorial Pacific productivity variations and to investigate temporal links between high- and low-latitude climate change over the interval 16-13 Ma. Our records show that the climatic optimum (16.8-14.7 Ma) was characterized by high-amplitude climate variations, marked by intense perturbations of the carbon cycle. Episodes of peak warmth at (Southern Hemisphere) insolation maxima coincided with transient shoaling of the carbonate compensation depth and enhanced carbonate dissolution in the deep ocean. A switch to obliquity-paced climate variability after 14.7 Ma concurred with a general improvement in carbonate preservation and the onset of step-wise global cooling, culminating with extensive ice growth over Antarctica ca. 13.8 Ma. We find that two massive increases in opal accumulation ca. 14.0 and ca. 13.8 Ma occurred just before and during the final and most prominent cooling step, supporting the hypothesis that enhanced siliceous productivity in the eastern equatorial Pacific contributed to CO2 drawdown." @default.
- W2994792809 created "2019-12-26" @default.
- W2994792809 creator A5002219854 @default.
- W2994792809 creator A5006419871 @default.
- W2994792809 creator A5014961469 @default.
- W2994792809 creator A5025851055 @default.
- W2994792809 creator A5030520923 @default.
- W2994792809 creator A5078530373 @default.
- W2994792809 date "2013-12-01" @default.
- W2994792809 modified "2023-09-23" @default.
- W2994792809 title "Middle Miocene climate cooling linked to intensification of eastern equatorial Pacific upwelling" @default.
- W2994792809 hasPublicationYear "2013" @default.
- W2994792809 type Work @default.
- W2994792809 sameAs 2994792809 @default.
- W2994792809 citedByCount "0" @default.
- W2994792809 crossrefType "journal-article" @default.
- W2994792809 hasAuthorship W2994792809A5002219854 @default.
- W2994792809 hasAuthorship W2994792809A5006419871 @default.
- W2994792809 hasAuthorship W2994792809A5014961469 @default.
- W2994792809 hasAuthorship W2994792809A5025851055 @default.
- W2994792809 hasAuthorship W2994792809A5030520923 @default.
- W2994792809 hasAuthorship W2994792809A5078530373 @default.
- W2994792809 hasConcept C110872660 @default.
- W2994792809 hasConcept C111368507 @default.
- W2994792809 hasConcept C127313418 @default.
- W2994792809 hasConcept C132651083 @default.
- W2994792809 hasConcept C136894858 @default.
- W2994792809 hasConcept C149348798 @default.
- W2994792809 hasConcept C151730666 @default.
- W2994792809 hasConcept C18903297 @default.
- W2994792809 hasConcept C191897082 @default.
- W2994792809 hasConcept C192562407 @default.
- W2994792809 hasConcept C194630095 @default.
- W2994792809 hasConcept C197435368 @default.
- W2994792809 hasConcept C2777252438 @default.
- W2994792809 hasConcept C2777802808 @default.
- W2994792809 hasConcept C2778835443 @default.
- W2994792809 hasConcept C2780191791 @default.
- W2994792809 hasConcept C2780223605 @default.
- W2994792809 hasConcept C2780659211 @default.
- W2994792809 hasConcept C49204034 @default.
- W2994792809 hasConcept C6939412 @default.
- W2994792809 hasConcept C86803240 @default.
- W2994792809 hasConceptScore W2994792809C110872660 @default.
- W2994792809 hasConceptScore W2994792809C111368507 @default.
- W2994792809 hasConceptScore W2994792809C127313418 @default.
- W2994792809 hasConceptScore W2994792809C132651083 @default.
- W2994792809 hasConceptScore W2994792809C136894858 @default.
- W2994792809 hasConceptScore W2994792809C149348798 @default.
- W2994792809 hasConceptScore W2994792809C151730666 @default.
- W2994792809 hasConceptScore W2994792809C18903297 @default.
- W2994792809 hasConceptScore W2994792809C191897082 @default.
- W2994792809 hasConceptScore W2994792809C192562407 @default.
- W2994792809 hasConceptScore W2994792809C194630095 @default.
- W2994792809 hasConceptScore W2994792809C197435368 @default.
- W2994792809 hasConceptScore W2994792809C2777252438 @default.
- W2994792809 hasConceptScore W2994792809C2777802808 @default.
- W2994792809 hasConceptScore W2994792809C2778835443 @default.
- W2994792809 hasConceptScore W2994792809C2780191791 @default.
- W2994792809 hasConceptScore W2994792809C2780223605 @default.
- W2994792809 hasConceptScore W2994792809C2780659211 @default.
- W2994792809 hasConceptScore W2994792809C49204034 @default.
- W2994792809 hasConceptScore W2994792809C6939412 @default.
- W2994792809 hasConceptScore W2994792809C86803240 @default.
- W2994792809 hasLocation W29947928091 @default.
- W2994792809 hasOpenAccess W2994792809 @default.
- W2994792809 hasPrimaryLocation W29947928091 @default.
- W2994792809 hasRelatedWork W1532022871 @default.
- W2994792809 hasRelatedWork W1545712905 @default.
- W2994792809 hasRelatedWork W1975514691 @default.
- W2994792809 hasRelatedWork W1990382806 @default.
- W2994792809 hasRelatedWork W1994076752 @default.
- W2994792809 hasRelatedWork W2004444571 @default.
- W2994792809 hasRelatedWork W2011571671 @default.
- W2994792809 hasRelatedWork W2046437868 @default.
- W2994792809 hasRelatedWork W2098270473 @default.
- W2994792809 hasRelatedWork W2162441656 @default.
- W2994792809 hasRelatedWork W2185317256 @default.
- W2994792809 hasRelatedWork W2294547237 @default.
- W2994792809 hasRelatedWork W2480823556 @default.
- W2994792809 hasRelatedWork W2529175794 @default.
- W2994792809 hasRelatedWork W2560449556 @default.
- W2994792809 hasRelatedWork W2576214653 @default.
- W2994792809 hasRelatedWork W2586341344 @default.
- W2994792809 hasRelatedWork W3082128247 @default.
- W2994792809 hasRelatedWork W3082562195 @default.
- W2994792809 hasRelatedWork W3169006595 @default.
- W2994792809 hasVolume "2013" @default.
- W2994792809 isParatext "false" @default.
- W2994792809 isRetracted "false" @default.
- W2994792809 magId "2994792809" @default.
- W2994792809 workType "article" @default.