1. Durham University; Department of Geography, Science Laboratories; Durham UK
2. Department of Geography; University of Sheffield; Sheffield UK
3. Department of Geography and Planning, School of Environmental Sciences; University of Liverpool; Liverpool UK
4. Department of Geography; SUNY Syracuse; Syracuse New York USA
5. Division of Atmospheric Sciences; Desert Research Institute; Reno Nevada USA
6. Department of Ecosystems and Environment; Pontificia Universidad Católica de Chile; Santiago de Chile Chile
7. School of Geography, Archaeology and Palaeoecology; Queen's University of Belfast; Belfast UK
8. School of Physical and Geographical Sciences, William Smith Building; University of Keele; Keele UK