1. Instituto Mediterráneo de Estudios Avanzados; IMEDEA (CSIC-UIB); Esporles Spain
2. LGGE, CNRS/UJF-Grenoble 1; UMR 5183; Grenoble France
3. Mediterranean Institute of Oceanography (M I O); Aix-Marseille University; Marseille CEDEX 9 France
4. CNRS-INSU/IRD UM 110; Université du Sud Toulon-Var; La Garde CEDEX France
5. OGS; Trieste Italy
6. CLS Space Oceanography Division; Toulouse France