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Article Dans Une Revue Paleoceanography Année : 2007

Marine Isotope Stage (MIS) 8 millennial variability stratigraphically identical to MIS 3

Résumé

The Marine Isotope Stage (MIS) 3 stratigraphy is highly robust and was reproduced during another period: MIS 8.6 global ice volume was similar during MIS 8.6 to MIS 3 (60 to 90 m sea level equivalent), but the Milankovitch insolation forcing was different, implying that Earth's predisposition to millennial internal variability is controlled by the configuration of the major ice sheets. The involvement of additional factors cannot be ruled out but by identifying several such periods using new deep ice cores from Dome Concordia and Dome Fuji (Antarctica) as well as the marine record we may isolate the factors predisposing Earth to these highly significant modes of climate variability.

Domaines

Glaciologie
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Dates et versions

insu-00377274 , version 1 (12-03-2021)

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Mark Siddall, Thomas F. Stocker, Thomas Blunier, Renato Spahni, Jakob Schwander, et al.. Marine Isotope Stage (MIS) 8 millennial variability stratigraphically identical to MIS 3. Paleoceanography, 2007, 22 (PA1208), 1 à 4 p. ⟨10.1029/2006PA001345⟩. ⟨insu-00377274⟩
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