1. IMEDEA, UIB-CSIC; Esporles Spain
2. SOCIB, Palma de Mallorca; Spain
3. Department of Atmospheric and Oceanic Sciences; University of California; Los Angeles California USA
4. CNRS, Laboratoire de Glaciologie et Géophysique de l'Environnement, Université de Grenoble; Grenoble France
5. College of Earth, Ocean, and Atmospheric Sciences, Oregon State University; Oregon USA
6. Mercator Ocean; Ramonville Saint-Agne France