Han Byul Woo¹, Guillaume Dodet², Peter N Adams¹, Claire Siobhan Earlie³, Nicolas Le Dantec^4,5, Fabien Leckler⁶, Julie Perrot⁴, Serge Suanez², Emmanuel Augereau⁴ and Fabrice Ardhuin⁷, (1)University of Florida, Department of Geological Sciences, Gainesville, FL, United States, (2)University of Bretagne Occidentale, IFREMER, CNRS, UMR LETG 6554, IUEM, Plouzané, France, (3)Cardiff University, Earth and Ocean Sciences, Wales, United Kingdom, (4)University of Bretagne Occidentale, IUEM, CNRS, UMR 6538, Plouzané, France, (5)CEREMA, DTecEMF, Beauvais, France, (6)SHOM, Research Department, Brest, France, (7)University of Bretagne Occidentale, CNRS, IFREMER, IRD, Plouzané, France