Affiliation: | aHydraulics Laboratory, Katholieke Universiteit Leuven, Kasteelpark Arenberg 40, Heverlee 3001, Belgium bDivision Marine et Oceanographie, Meteo-France, 42 av G. Coriolis, 31057 Toulouse, France cDepartment for Strategic Research, Det Norske Veritas, Veritasveien 1, Høvik 1322, Norway |