1. Department of Geography and Institute for the Environment; UNC Chapel Hill; Chapel Hill NC USA
2. Global Institute for Water Security; University of Saskatchewan; Saskatoon Saskatchewan Canada
3. School of Geoscience; University of Aberdeen; UK
4. School of Engineering; Duke University; Durham NC USA
5. Department of Geography; Durham University; Durham UK
6. Department of Earth and Planetary Science; UC Berkeley; Berkeley CA USA
7. Department of Forest and Environmental Resources; North Carolina State University; Raleigh NC USA
8. Department of Hydrology and Water Resources; University of Arizona; Tucson AZ USA