Simon Carr¹, Thomas Lawrence², Kate Louise Spencer², Andrew James Manning³, Jonathan Wheatland² and Andy J Bushby⁴, (1)University of Cumbria, Science, Natural Resources & Outdoor Studies, Ambleside, United Kingdom, (2)Queen Mary, University of London, School of Geography, London, United Kingdom, (3)HR Wallingford Ltd, Coasts & Oceans Group, Wallingford, United Kingdom, (4)Queen Mary, University of London, School of Engineering and Materials Science, London, United Kingdom