1. SSAI/Hydrology and Remote Sensing Laboratory, Agricultural Research Service, USDA, Beltsville, Maryland
2. Hydrology and Remote Sensing Laboratory, Agricultural Research Service, USDA, Beltsville, Maryland
3. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California
4. University of Tsukuba, Tsukuba, Japan
5. Department of Geography, Environment and Geomatics, University of Guelph, Guelph, Ontario, Canada
6. Southeast Watershed Research Lab, Agricultural Research Service, USDA, Tifton, Georgia
7. Nevada Water Science Center, U.S. Geological Survey, Carson City, Nevada
8. Southwest Watershed Research Center, Agricultural Research Service, USDA, Tucson, Arizona
9. Department of Geosciences and Natural Resource Management, University of Copenhagen, Copenhagen, Denmark
10. University of Salamanca, Villamayor, Spain
11. Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada
12. Grazinglands Research Laboratory, Agricultural Research Service, USDA, El Reno, Oklahoma
13. Faculty of Geo-Information Science and Earth Observations (ITC), University of Twente, Enschede, Netherlands
14. Monash University, Clayton, Victoria, Australia