Marc Rovira-Navarro¹, Theo Gerkema², Leo R Maas¹, Wouter van der Wal³, Ron van Ostayen⁴ and Bert L A Vermeersen³, (1)NIOZ Royal Netherlands Institute for Sea Research and Utrecht University, Department of Ocean Systems OCS, Den Burg, Netherlands, (2)NIOZ Royal Netherlands Institute for Sea Research, and Utrecht University, Department of Estuarine and Delta Systems EDS, Yerseke, Netherlands, (3)Delft University of Technology, Faculty of Aerospace Engineering (AE), Delft, Netherlands, (4)TU Delft, Faculty of Mechanical, Martime and Materials Engineering (3mE), Delft, Netherlands