1. British Geological Survey, Nottingham NG12 5GG, UK
2. Department of Geology, University of Leicester, Leicester LE1 7RH, UK
3. Littoral Environnement Sociétés, Université de La Rochelle, CNRS, 2 rue Olympe de Gouges, 17000 La Rochelle, France
4. Department of Earth Sciences, Brock University, St. Catharines, Ontario L2S 3A1, Canada
5. Environmental Change Research Centre, Department of Geography, University College London, London WC1E 6BT, UK
6. Department of Geography, Environment and Population, University of Adelaide, South Australia 5005, Australia