1. Department of Earth and Environmental Science, University of Minnesota, Minneapolis, MN, USA
2. School of Earth and Environment, University of Canterbury, Christchurch, New Zealand
3. Canadian Wildlife Service, Environment and Climate Change Canada, Ottawa, Canada
4. Woods Hole Oceanographic Institution, Woods Hole, MA, USA
5. Sorbonne Université, LOCEAN-IPSL, UMR 7159, 75005, Paris, France
6. British Antarctic Survey, Cambridge, UK
7. Centre National de la Recherche Scientifique, Université de Strasbourg, IPHC UMR 7178, Strasbourg, France
8. Département de Biologie Polaire, Centre Scientifique de Monaco, Monaco City, Monaco
9. Department of Physics, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany
10. Department of Climate Change, Energy, the Environment and Water, Australian Antarctic Division, Hobart, Australia
11. Point Blue Conservation Science, Petaluma, CA, USA
12. Centre d'Etudes Biologiques de Chizé, UMR7372 Centre National de la Recherche Scientifique – La Rochelle Université, 79360 Villiers en Bois, France
13. Scripps Institution of Oceanography, La Jolla, CA, USA
14. HT Harvey and Associated, Los Gatos, CA, USA
15. Ocean and Earth Science, National Oceanography Centre, University of Southampton, University Road, Southampton SO17 1BJ, UK