Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92037-0208 United States
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92037-0208 United States
Department of Geosciences, Oregon State University, Corvallis, OR 97331-5506 United States
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92037-0208 United States ; Limnological Institute SB RAS, Ulan-Batorskaya, 3, Irkutsk, 664033 Russian Federation
Laboratoire de Glaci ologie et Géophysique de l'Environnement, CNRS, Saint-Martin d'Héres, 38402 France