Irregular tropical glacier retreat over the Holocene epoch driven by progressive warming

Vincent Jomelli (), Myriam Khodri, Vincent Favier, Daniel Brunstein, Marie-Pierre Ledru, Patrick Wagnon, Pierre-Henri Blard, Jean-Emmanuel Sicart, Régis Braucher, Delphine Grancher, Didier Louis Bourlès, Pascale Braconnot and Mathias Vuille
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Vincent Jomelli: Université Paris 1 Panthéon-Sorbonne-CNRS Laboratoire de Géographie Physique, 92195 Meudon, France
Myriam Khodri: IRD/IPSL/Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN), 4, place Jussieu, 75252 Paris Cedex 05, France
Vincent Favier: UJF-CNRS, Laboratoire de Glaciologie et de Géophysique de l’Environnement (LGGE), BP 96, 38402 St Martin d’Hères Cedex, France
Daniel Brunstein: Université Paris 1 Panthéon-Sorbonne-CNRS Laboratoire de Géographie Physique, 92195 Meudon, France
Marie-Pierre Ledru: IRD UMR 226, Institut des Sciences de l'Evolution de Montpellier (ISEM), UM2 CNRS IRD, Place Eugène Bataillon cc061, 34095 Montpellier Cedex, France
Patrick Wagnon: IRD/UJF-Grenoble 1/CNRS/G-INP, LGGE UMR 5183, LTHE UMR 5564, Grenoble, F-38402, France
Pierre-Henri Blard: Centre de Recherches Pétrographiques et Géochimiques (CRPG), UPR2300, CNRS, Université de Lorraine, 54501 Vandoeuvre-lès-Nancy, France
Jean-Emmanuel Sicart: IRD/UJF-Grenoble 1/CNRS/G-INP, LGGE UMR 5183, LTHE UMR 5564, Grenoble, F-38402, France
Régis Braucher: CEREGE/CNRS, Aix Marseille Université, UMR 6635, Europôle Méditerranéen de l'Arbois, Boîte Postale 80, 13545 Aix-en-Provence Cedex, France
Delphine Grancher: Université Paris 1 Panthéon-Sorbonne-CNRS Laboratoire de Géographie Physique, 92195 Meudon, France
Didier Louis Bourlès: CEREGE/CNRS, Aix Marseille Université, UMR 6635, Europôle Méditerranéen de l'Arbois, Boîte Postale 80, 13545 Aix-en-Provence Cedex, France
Pascale Braconnot: IPSL/Laboratoire des Sciences du Climat et de l'Environnement, Unité mixte CEA-CNRS-UVSQ, Orme des Merisiers, Bât. 709, CEA-SACLAY, 91191 Gif-sur-Yvette Cedex, France
Mathias Vuille: University at Albany, State University of New York

Nature, 2011, vol. 474, issue 7350, 196-199

Abstract: Tropical glaciers sound the retreat Andean glaciers are sensitive indicators of past and present climate trends. Jomelli et al. present a detailed glacial beryllium-10 chronology of the dynamics of the Telata glacier in the Bolivian Andes, which provides a remarkably continuous history of tropical glacier fluctuations during the past 11,000 years. Glacier–climate modelling suggests that there was a 3.3 °C cooling in the early Holocene compared with today. The glacier retreat started at least 10,000 years ago, forced by insolation, while the past 200 years display an unprecedented dramatic reduction in glacier size. Future projections estimate a 4–5 °C warming in the tropical Andes by 2100, which is close to that estimated by the model for the whole Holocene.

Date: 2011
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DOI: 10.1038/nature10150

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