1. a Massachusetts Institute of Technology, Cambridge, Massachusetts
2. b Univ. Brest, CNRS, IRD, Ifremer, Laboratoire d’Océanographie Physique et Spatiale, IUEM, Brest, France
3. c University of Oslo, Oslo, Norway
4. d Norwegian Meteorological Institute, Oslo, Norway
5. e Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania, Australia