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In-phase millennial-scale glacier changes in the tropics and North Atlantic regions during the Holocene

Author

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  • V. Jomelli

    (LGP UMR 8591 CNRS Paris 1 Panthéon-Sorbonne University CNRS
    Aix-Marseille University, CNRS, IRD, Coll. France, INRAE, CEREGE)

  • D. Swingedouw

    (Environnements et Paléoenvironnements Océaniques et Continentaux (EPOC), UMR CNRS 5805, EPOC-OASU Université de Bordeaux, Allée Geoffroy Saint‑Hilaire)

  • M. Vuille

    (University at Albany, State University of New York)

  • V. Favier

    (Université Grenoble Alpes, CNRS, IRD, G-INP, Institut des Geosciences de l’Environnement (IGE))

  • B. Goehring

    (Tulane University, 6823 St Charles Ave)

  • J. Shakun

    (Department of Earth & Environmental Sciences Boston College)

  • R. Braucher

    (Aix-Marseille University, CNRS, IRD, Coll. France, INRAE, CEREGE)

  • I. Schimmelpfennig

    (Aix-Marseille University, CNRS, IRD, Coll. France, INRAE, CEREGE)

  • L. Menviel

    (University of New South Wales)

  • A. Rabatel

    (Université Grenoble Alpes, CNRS, IRD, G-INP, Institut des Geosciences de l’Environnement (IGE))

  • L. C. P. Martin

    (Université de Lorraine
    Utrecht University)

  • P.-H. Blard

    (Université de Lorraine
    Université Libre de Bruxelles)

  • T. Condom

    (Université Grenoble Alpes, CNRS, IRD, G-INP, Institut des Geosciences de l’Environnement (IGE))

  • M. Lupker

    (ETH Zürich)

  • M. Christl

    (ETH Zürich)

  • Z. He

    (University at Albany, State University of New York)

  • D. Verfaillie

    (Aix-Marseille University, CNRS, IRD, Coll. France, INRAE, CEREGE
    Georges Lemaître Centre for Earth and Climate Research)

  • A. Gorin

    (Department of Earth & Environmental Sciences Boston College)

  • G. Aumaître

    (Aix-Marseille University, CNRS, IRD, Coll. France, INRAE, CEREGE)

  • D. L. Bourlès

    (Aix-Marseille University, CNRS, IRD, Coll. France, INRAE, CEREGE)

  • K. Keddadouche

    (Aix-Marseille University, CNRS, IRD, Coll. France, INRAE, CEREGE)

Abstract

Based on new and published cosmic-ray exposure chronologies, we show that glacier extent in the tropical Andes and the north Atlantic regions (TANAR) varied in-phase on millennial timescales during the Holocene, distinct from other regions. Glaciers experienced an early Holocene maximum extent, followed by a strong mid-Holocene retreat and a re-advance in the late Holocene. We further explore the potential forcing of TANAR glacier variations using transient climate simulations. Since the Atlantic Meridional Overturning Circulation (AMOC) evolution is poorly represented in these transient simulations, we develop a semi-empirical model to estimate the “AMOC-corrected” temperature and precipitation footprint at regional scales. We show that variations in the AMOC strength during the Holocene are consistent with the observed glacier changes. Our findings highlight the need to better constrain past AMOC behavior, as it may be an important driver of TANAR glacier variations during the Holocene, superimposed on other forcing mechanisms.

Suggested Citation

  • V. Jomelli & D. Swingedouw & M. Vuille & V. Favier & B. Goehring & J. Shakun & R. Braucher & I. Schimmelpfennig & L. Menviel & A. Rabatel & L. C. P. Martin & P.-H. Blard & T. Condom & M. Lupker & M. C, 2022. "In-phase millennial-scale glacier changes in the tropics and North Atlantic regions during the Holocene," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-28939-9
    DOI: 10.1038/s41467-022-28939-9
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    References listed on IDEAS

    as
    1. Vincent Jomelli & Myriam Khodri & Vincent Favier & Daniel Brunstein & Marie-Pierre Ledru & Patrick Wagnon & Pierre-Henri Blard & Jean-Emmanuel Sicart & Régis Braucher & Delphine Grancher & Didier Loui, 2011. "Irregular tropical glacier retreat over the Holocene epoch driven by progressive warming," Nature, Nature, vol. 474(7350), pages 196-199, June.
    2. Giovanni Sgubin & Didier Swingedouw & Sybren Drijfhout & Yannick Mary & Amine Bennabi, 2017. "Abrupt cooling over the North Atlantic in modern climate models," Nature Communications, Nature, vol. 8(1), pages 1-12, April.
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