Afroosa Balkies BAI M^1,2, B Rohith¹, Fabien Durand³, Paul Arya¹, Romain RB Bourdallé-Badie SR⁴, Laurent Testut⁵, Sreedevi Puthiyamadam⁶, Valerie Ballu⁷, Olivier de Viron⁸ and S. S. C. Shenoi¹, (1)Indian National Center for Ocean Information Services, Hyderabad, India, (2)Kerala University of Fisheries and Ocean Studies, School of Ocean Sciences and Technology, Cochin, India, (3)LEGOS/IRD, Toulouse, France, (4)Mercator Ocean International, Ramonville, France, (5)LEGOS, Toulouse, France, (6)Cochin University of Science and Technology, Cochin, India, (7)Laboratoire Littoral Environnement et Sociétés (LIENSs), La Rochelle, UMR 7266, La Rochelle, France, (8)U. La Rochelle, LIENSs, La Rochelle, France