British Antarctic Survey, Ice Cores, Cambridge CB3 0ET, United Kingdom
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, United States
Laboratoire de Météorologie Dynamique (LMD) ; CNRS - INSU - Polytechnique - X - École normale supérieure - Paris (ENS Paris) - Université Pierre et Marie Curie - Paris 6 (UPMC)
School of Earth and Environment, University of Leeds, Leeds LS2 9JT, United Kingdom
Niels Bohr Institute, Centre for Ice and Climate, University of Copenhagen, Juliane Maries Vej 30, DK-2100 Copenhagen, Denmark
GeoBiosphere Science Centre, Quaternary Sciences, Lund University, Slvegatan 12, SE-223 62 Lund, Sweden
Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] (LSCE - UMR 8212) ; CNRS - CEA - Université Versailles Saint-Quentin en Yvelines (UVSQ)
