Syeda Arooba Shah, University of Twente, Marine and Fluvial Systems, Enschede, Netherlands, Jebbe J. Van der Werf, Deltares, Marine and Coastal Systems, Delft, Netherlands, Trang Minh Duong, University of Twente, Enschede, Netherlands and Suzanne J. M. H. Hulscher, University of Twente, Marine and Fluvial Systems, Faculty of Engineering Technology, Enschede, Netherlands