Ricardo F. Sanchez Leal, IEO, Cadiz, Spain, David Roque Atienza, ICMAN - CSIC, Spain, Miguel Bruno Mejías, Universidad de Cádiz, Spain, Francisco Javier Hernández Molina, Royal Holloway University of London, Egham, TW20, United Kingdom, Luis Miguel Ferández Salas, Spanish Institute of Oceanography, Spain and Simone Sammartino, University of Malaga, Spain