Affiliation: | a Research Consultant in Quaternary Science, 26 Beverley Road, Leamington Spa, Warwickshire, CV32 6PJ, UK b School of Geography and the Environment, University of Oxford, Mansfield Road, Oxford, OX1 3TB, UK c Centre for Quaternary Science, Geography, Coventry University, Priory Street, Coventry CV1 5FB, UK |