Niels Kinneging, Rijkswaterstaat, Utrecht, Netherlands, Mathias Andersson, FOI, Stockholm, Sweden, Stephen Robinson, National Physical Laboratory, Teddington, United Kingdom, Christ DeJong, Netherlands Organization for Applied Scientific Research, The Hague, Netherlands, Jens Fischer, BSH Federal Maritime and Hydrographic Agency, Hamburg, Germany, Nathan D Merchant, Center for Environment, Fisheries and Aquaculture Science, Lowestoft, United Kingdom and Jakob Tougaard, Aarhus University, Aarhus C, Denmark