1. Department of Geography; College of Science; Swansea University; Singleton Park Swansea SA2 8PP UK
2. Department of Geography and Geology; Julius-Maximilians-University Würzburg; Am Hubland Würzburg 97070 Germany
3. School of Geography and Environmental Sciences; Ulster University; Cromore Road Coleraine BT52 1SA Northern Ireland, UK
4. Cryosphere Research at Manchester; Department of Geography; University of Manchester; Manchester M13 9PL UK
5. Kentucky Geological Survey; University of Kentucky; 228 Mining and Mineral Resources Building Lexington KY 40506 USA
6. Department of Geography and Environmental Management; University of the West of England; Coldharbour Lane Bristol BS16 1QY UK