The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue Geoscientific Model Development Année : 2019

The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0

Laurie Menviel
Andrea Dutton
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Philip L Gibbard
Lauren Gregoire
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Feng He
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Ruza F Ivanovic
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Kenji Kawamura
Bette L Otto-Bliesner
Ikumi Oyabu
Polychronis C Tzedakis
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Eric Wolff
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Xu Zhang
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Résumé

The penultimate deglaciation (PDG, ∼ 138-128 thousand years before present, hereafter ka) is the transition from the penultimate glacial maximum (PGM) to the Last Interglacial (LIG, ∼ 129-116 ka). The LIG stands out as one of the warmest interglacials of the last 800 000 years (here-after kyr), with high-latitude temperature warmer than today and global sea level likely higher by at least 6 m. Considering the transient nature of the Earth system, the LIG climate and ice-sheet evolution were certainly influenced by the changes occurring during the penultimate deglaciation. It is thus important to investigate, with coupled atmosphere-ocean general circulation models (AOGCMs), the climate and environmental response to the large changes in boundary conditions (i.e. orbital configuration, atmospheric greenhouse gas concentrations, ice-sheet geometry and associated meltwater fluxes) occurring during the penultimate deglaciation.

Domaines

Climatologie
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Dates et versions

hal-02273527 , version 1 (29-08-2019)

Identifiants

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Laurie Menviel, Emilie Capron, Aline Govin, Andrea Dutton, Lev Tarasov, et al.. The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0. Geoscientific Model Development, 2019, 12 (8), pp.3649-3685. ⟨10.5194/gmd-12-3649-2019⟩. ⟨hal-02273527⟩
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