1Marine Technology and Operational Oceanography Group, Global Change and Physical Oceanography Departament, IMEDEA (CSIC-UIB), Esporles, Spain 2Área de Oceanografía Operacional, Centro de Investigaciones Oceanográficas e Hidrográficas del Caribe, Cartagena de Indias, Colombia 3Department of Applied Mathematics, University of Alicante, Alicante, Spain 4Mediterranean Institute of Oceanography (MIO), Université de Toulon, Toulon, France 5International Research Institute for Climate and Society (IRI), The Earth Institute at Columbia University, Palisades, NY, United States The variability of...