Jos R.M Muller¹, Bas Borsje², Jebbe J. Van der Werf^2,3, Victoria Mason^4,5, Marte Stoorvogel¹, Pim Willemsen^6,7, Dimitris Dermentzoglou⁸, Alessandro Antonini⁸, Vera van Bergeijk⁹, Mark Klein Breteler⁹ and Suzanne J. M. H. Hulscher², (1)University of Twente, Water Engineering and Management, Faculty of Engineering Technology, Enschede, Netherlands, (2)University of Twente, Marine and Fluvial Systems, Faculty of Engineering Technology, Enschede, Netherlands, (3)Deltares, Marine & Coastal Systems, Delft, Netherlands, (4)NIOZ Royal Netherlands Institute for Sea Research, Estuarine and Delta Systems, Yerseke, Netherlands, (5)Utrecht University, Utrecht, Netherlands, (6)Deltares, Department of Ecosystems and Sediment Dynamics, Delft, Netherlands, (7)Wageningen University and Research, Hydrology and Environmental Hydraulics Group, Wageningen, Netherlands, (8)Delft University of Technology, Delft, Netherlands, (9)Deltares, Delft, Netherlands