1. Division of Earth and Ocean Sciences, Duke University, Durham, North Carolina
2. National Center for Atmospheric Research, Boulder, Colorado
3. National Oceanography Centre, Southampton, United Kingdom
4. Woods Hole Oceanographic Institution, Woods Hole, Massachusetts
5. NASA Goddard Institute for Space Studies, New York, New York
6. Department of Applied Physics and Applied Mathematics, Columbia University, New York, New York
7. NOAA Geophysical Fluid Dynamics Laboratory, Princeton, New Jersey