1. National Oceanography Centre; University of Southampton; Southampton UK
2. National Oceanography Centre; National Oceanography Centre; Southampton UK
3. Earth, Ocean and Atmospheric Science and Geophysical Fluid Dynamics Institute; Florida State University; Tallahassee Florida USA
4. Lamont-Doherty Earth Observatory; Columbia University; Palisades New York USA
5. British Antarctic Survey; Cambridge UK
6. Scottish Association for Marine Science; Oban UK
7. Climate Change Research Centre and ARC Centre of Excellence for Climate System Science; University of New South Wales; Sydney New South Wales Australia