CliC International Project Office, Norwegian Polar Institute Polar Environmental Centre, Tromso, NO-9296 Norway
CSIRO Marine and Atmospheric Research, Private Bag 1, Aspendale, Vic 3195 Australia ; Antarctic Climate and Ecosystems CRC, Private Bag 80, Hobart, TAS 7001 Australia
British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET United Kingdom ; National Snow and Ice Data Center, 449 UCB, University of Colorado, Boulder, CO 80309-0449 United States