1. Spanish Institute of Oceanography, Cadiz Oceanographic Center, Muelle de Levante s/n, Puerto Pesquero, Cádiz E11006, Spain.
2. University of Malaga Physical Oceanography Group (GOFIMA), ETSI Telecomunicación, Campus de Teatinos s/n, Málaga E29071, Spain.
3. Department of Physical and Technological Oceanography, Institute of Marine Sciences (CSIC), Passeig Marítim de la Barceloneta 37-49, Barcelona E08003, Spain.
4. Spanish Institute of Oceanography, Gijón Oceanographic Center, Avenida Príncipe de Asturias 70 bis, Gijón E33212, Spain.
5. Department of Earth Sciences, Royal Holloway, University of London, Egham, Surrey TW20 0EX, UK.
6. Department of Geophysics and Energy, Instituto Dom Luiz, Faculty of Sciences (IDL-FCUL), University of Lisbon, Campo Grande Ed. C1, Piso 1, 1749-016 Lisboa, Portugal.
7. Center of Marine Sciences (CCMAR/FCT), Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
8. Andalusia Institute of Marine Sciences, Spanish National Research Council (ICMAN-CSIC), Republica Saharaui 2, Puerto Real E11519, Spain.
9. Spanish Institute of Oceanography, A Coruña Oceanographic Center, Paseo Marítimo A. Francisco Vázquez 10, A Coruña E15001, Spain.