1. a Jet Propulsion Laboratory, California Institute of Technology , 4800 Oak Grove Drive, California, 91109, U.S.A.
2. b Environmental Research Institute of Michigan , PO Box 8618, Ann Arbor, Michigan, 48107, U.S.A.
3. c Institute of Northern Forestry , 308 Tanara Drive, Fairbanks, Alaska, 99701, U.S.A.
4. d Department of Botany , Duke University , Durham, North Carolina, 27706, U.S.A.
5. e Department of Electrical Engineering and Computer Science , University of Michigan , Ann Arbor, Michigan, 48109, U.S.A.
6. f Centre for Remote Sensing, University of New South Wales , PO Box 1, Kensington, New South Wales, 2033, Australia
7. g Joint Research Centre Ispra Establishment , 1-21020, Varese, Italy
8. h Canada Centre for Remote Sensing , 2464 Sheffield Road, Ottawa, K1A OY7, Canada
9. i Geography Department , University of California , Santa Barbara, California, 93106, U.S.A.
10. j Department of Forest and Wood Sciences , Colorado State University , Fort Collins, Colorado, 80523, U.S.A.
11. k Department of Biological Sciencies , Stanford University , Stanford, California, 94305, U.S.A.
12. l Environmental Research Laboratory , 200 SW 35th St, Corvallis, Oregon, 97333, U.S.A.