Affiliation: | (1) Limnological Research Center, University of Minnesota, 55455 Minneapolis, Minnesota, U.S.A.;(2) Department of Geology, Australian National University, G.P.O. Box 4, 2601 Canberra, ACT, Australia;(3) Laboratoire d'Hydrologie de géochimie Isotopique, 91405 Orasy Cedex, France;(4) Institute of Arctic and Alpine Research, University of Colorado, 80309-0450 Boulder, Co, U.S.A. |