Christopher S Meinen¹, Marion Kersalé², Daniel Valla³, Tarron Lamont⁴, Olga T Sato⁵, Renellys C Perez⁶, Matthieu Le Henaff², Shenfu Dong⁷, Thierry Terre⁸, Maria Paz Chidichimo⁹, Marcel Van den Berg¹⁰, Sabrina Speich¹¹, Alberto R Piola¹², Edmo J Campos¹³ and Isabelle Jane Ansorge¹⁴, (1)Atlantic Oceanographic and Meteorological Laboratory, Physical Oceanography Division, Miami, FL, United States, (2)CIMAS/University of Miami, Miami, FL, United States, (3)Consejo Nacional de Investigaciones Científicas y Técnicas / SHN, Argentina, Argentina, (4)Department of Environmental Affairs, Oceans & Coasts Research Branch, Cape Town 8012, South Africa, (5)Oceanographic Institute of the University of Sao Paulo IOUSP, Sao Paulo, Brazil, (6)NOAA Miami, Miami, FL, United States, (7)AOML/NOAA, Miami, FL, United States, (8)Ifremer, Laboratoire de Physique des Océans, Plouzané, France, (9)National Scientific and Technical Research Council (CONICET) / SHN, Buenos Aires, Argentina, (10)Department of Environmental Affairs, Oceans & Coasts Research Branch, Cape Town, South Africa, (11)Ecole Normale Supérieure Paris, Paris, France, (12)Argentine Hydrographic Service, Buenos Aires, Argentina, (13)USP University of Sao Paulo, São Paulo, Brazil, (14)university of Cape Town, Department of Oceanography, Cape Town, South Africa