1. NASA Goddard Space Flight Center Biospheric Sciences Lab Greenbelt MD USA
2. Earth System Science Interdisciplinary Center University of Maryland College Park MD USA
3. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA
4. Bren School of Environmental Science & Management University of California Santa Barbara CA USA
5. Brookhaven National Laboratory Upton NY USA
6. University of Wisconsin—Department of Forest and Wildlife Ecology Madison WI USA
7. Department of Geography University of Utah Salt Lake City UT USA