1. Department of Hydrology and Atmospheric Sciences University of Arizona Tucson AZ USA
2. School of Geography and Development University of Arizona Tucson AZ USA
3. Department of Hydrology and Water Resources Hohai University Nanjing China
4. Biosphere 2 University of Arizona Tucson AZ USA
5. Department of Geosciences University of Arizona Tucson AZ USA
6. Department of Soil, Water, and Environmental Science University of Arizona Tucson AZ USA