[1] CSIRO Marine & Atmospher Res, Hobart, Tas 7001, Australia
[2] Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR 97331 USA
[3] Lab Etud Geophys & Oceanog Spatiales, F-31400 Toulouse, France
[4] Met Off Hadley Ctr, Exeter EX1 3PB, Devon, England
[5] Natl Oceanog Ctr, Liverpool L3 5DA, Merseyside, England
[6] Potsdam Inst Climate Impact Res, D-14473 Potsdam, Germany
[7] Univ Hawaii Manoa, Dept Oceanog, Honolulu, HI 96822 USA
[8] Univ Ottawa, Dept Earth Sci, Ottawa, ON K1N 6N5, Canada
[9] Univ Colorado, Boulder, CO 80309 USA
[10] Univ New England, Sch Behav Cognit & Social Sci, Armidale, NSW 2351, Australia
[11] Univ Bristol, Sch Geog Sci, Bristol BS8 1SS, Avon, England
[12] Univ Colorado, Dept Civil Environm & Architectural Engn, Boulder, CO 80309 USA
[13] Univ Hamburg, D-20146 Hamburg, Germany
[14] Natl Inst Oceanog, Panaji 403004, Goa, India