1. Department of Geography and Environment, Boston University, Boston, MA 02215, USA
2. University of Idaho Research and Extension Center, Kimberly, ID 83341, USA
3. USDA-Agricultural Research Service, Hydrology and Remote Sensing Lab, Beltsville, MD 20705, USA
4. European Commission Joint Research Center, Institute for Environment and Sustainability, Global Environment Monitoring Unit, 21020, Ispra, Varese, Italy
5. NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
6. USDA Forest Service, Corvallis, OR 97331, USA
7. Department of Geography, University of Maryland, College Park, MD 20742, USA
8. Electrical Engineering and Computer Science Department, South Dakota State University, Brookings, SD 57007, USA
9. International Institute of Tropical Forestry, U.S. Forest Service/Rocky Mountain Research Station, Fort Collins, CO 80526, USA
10. NASA Ames Research Center, Ecosystem Science and Technology Branch, Moffett Field, CA 94035-1000, USA
11. Rochester Institute of Technology, Chester F. Carlson Center for Imaging Science, Rochester, NY 14623, USA
12. International Water Management Institute (IWMI), 127, Sunil Mawatha, Battaramulla, Colombo, Sri Lanka
13. SAIC/USGS EROS, Sioux Falls, SD 57198, USA
14. Canadian Forest Service, Pacific Forestry Centre, Victoria, BC V8Z 1M5, Canada
15. Department of Forestry, Virginia Tech University, Blacksburg, VA 24061, USA