1. Department of Geography; Durham University; Durham UK
2. Department of Aerospace and Mechanical Engineering; University of Notre Dame; Notre Dame Indiana USA
3. Departments of Geology, Geography and GIS, Mechanical Science and Engineering and Ven Te Chow Hydrosystems Laboratory; University of Illinois at Urbana-Champaign; Urbana Illinois USA
4. School of Geography, Earth and Environmental Sciences; University of Birmingham; Birmingham UK