1 Department of Forest Engineering Resources and Management, College of Forestry, Corvallis, OR 97331; [email protected].
2 Goddard Space Flight Center, NASA, Greenbelt, MD 20771;
3 Goddard Space Flight Center, NASA, Greenbelt, MD 20771; Joint Center for Earth System Technology, University of Maryland Baltimore County, Baltimore, MD 21228;
4 Department of Earth and Environment, Boston University, Boston, MA 02215; and.
5 Divisão de Sensoriamento Remoto, Instituto Nacional de Pesquisas Espaciais, São José dos Campos, 12245-970 São Paulo State, Brazil.