- Correspondence to: Dr D Exeter School of Geography and Geosciences, University of St Andrews, St Andrews KY16 9AL, UK;
- Accepted May 10, 2005
- First published October 18, 2005.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.