Dominique Townsend, Technical University of Denmark, Coastal Ecology, Nykøbing Mors, Denmark, Kristian Ions, Swansea University, Faculty of Science and Engineering, Swansea, United Kingdom, Dhritiraj Sengupta, University of Southampton, School of Geography and Environmental Science, Southampton, United Kingdom and Karen Timmerman, Technical University of Denmark, Coastal Ecology, Kgs Lyngby, Denmark