1. Applied Marine Physics Laboratory, Marine Hydrophysical Institute Russian Academy of Sciences, 2 Kapitanskaya, 299011 Sevastopol, Russia
2. Satellite Oceanography Laboratory, Russian State Hydrometeorological University, 98 Malookhtinskiy, 195196 St. Petersburg, Russia
3. Department of Atmospheric and Oceanic Science, University of Maryland, College Park, MD 20742, USA
4. Laboratoire d’Océanographie Physique Spatiale, Institut Français de Recherche pour l’Exploitation de la Mer, 29280 Plouzané, France