Alessandro Baccini, Boston University, Earth & Environment, Boston, MA, United States, Wayne S Walker, Woods Hole Research Center, Falmouth, MA, United States, Robert N Treuhaft, Jet Propulsion Laboratory, Pasadena, CA, United States, Fabio G Goncalves, Canopy Remote Sensing Solutions, Florianopolis, Brazil and Luis Carvalho, Associate Professor, Dept. of Mathematics and Statistics Boston University, Boston, MA, United States