1. Environmental Change Institute, University of Oxford, Oxford, UK.
2. Water Balance Consulting, Boulder, CO, USA.
3. Colorado Water Center, Colorado State University, Fort Collins, CO, USA.
4. Utah Water Research Laboratory and Department of Civil and Environmental Engineering, Utah State University, Logan, UT, USA.
5. Independent consultant.
6. Center for Colorado River Studies, Department of Watershed Sciences, Utah State University, Logan, UT, USA.