A major advance of tropical Andean glaciers during the Antarctic cold reversal

V. Jomelli (), V. Favier, M. Vuille, R. Braucher, L. Martin, P.-H. Blard, C. Colose, D. Brunstein, F. He, M. Khodri, D. L. Bourlès, L. Leanni, V. Rinterknecht, D. Grancher, B. Francou, J. L. Ceballos, H. Fonseca, Z. Liu and B. L. Otto-Bliesner
Additional contact information
V. Jomelli: Université Paris 1 Panthéon-Sorbonne, CNRS Laboratoire de Géographie Physique, 92195 Meudon, France
V. Favier: Université Grenoble Alpes, LGGE, UMR 5183, F-38041 Grenoble, France
M. Vuille: University at Albany
R. Braucher: Aix-Marseille Université, CNRS-IRD-Collège de France, CEREGE UM34, 13545 Aix-en-Provence, France
L. Martin: CNRS, Centre de Recherches Pétrographiques et Géochimiques, UMR 7358, Université de Lorraine, BP 20, Vandoeuvre-lès-Nancy 54501, France
P.-H. Blard: CNRS, Centre de Recherches Pétrographiques et Géochimiques, UMR 7358, Université de Lorraine, BP 20, Vandoeuvre-lès-Nancy 54501, France
C. Colose: University at Albany
D. Brunstein: Université Paris 1 Panthéon-Sorbonne, CNRS Laboratoire de Géographie Physique, 92195 Meudon, France
F. He: Center for Climatic Research, Nelson Institute for Environmental Studies, University of Wisconsin-Madison
M. Khodri: IRD-Laboratoire d’Océanographie et du Climat: Expérimentation et Approche numérique, Université Pierre et Marie Curie, F-75252 Paris Cedex 05, France
D. L. Bourlès: Aix-Marseille Université, CNRS-IRD-Collège de France, CEREGE UM34, 13545 Aix-en-Provence, France
L. Leanni: Aix-Marseille Université, CNRS-IRD-Collège de France, CEREGE UM34, 13545 Aix-en-Provence, France
V. Rinterknecht: School of Geography and Geosciences Irvine Building, University of St Andrews, St Andrews KY16 9AL, UK
D. Grancher: Université Paris 1 Panthéon-Sorbonne, CNRS Laboratoire de Géographie Physique, 92195 Meudon, France
B. Francou: Institut de Recherche pour le Développement, CP 9214, La Paz, Bolivia
J. L. Ceballos: Institute for Hydrology, Meteorology and Environmental Studies, Bogota, 07603, Colombia
H. Fonseca: Escuela de Ingeniería Geológica, UPTC Sede Seccional Sogamoso, Sogamoso, 152211, Colombia
Z. Liu: University of Wisconsin-Madison
B. L. Otto-Bliesner: National Center for Atmospheric Research

Nature, 2014, vol. 513, issue 7517, 224-228

Abstract: A moraine chronology determined by surface exposure dating shows that glaciers in the northern tropical Andes expanded to a larger extent during the Antarctic cold reversal (14,500 to 12,900 years ago) than during the Younger Dryas stadial (12,800 to 11,500 years ago), contrary to previous studies; as a result, previous chronologies and climate interpretations from tropical glaciers may need to be revisited.

Date: 2014
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DOI: 10.1038/nature13546

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