Ameni Mkaouar, University of Maryland Baltimore County, Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Baltimore, MD, United States, David E Shean, University of Washington, Department of Civil and Environmental Engineering, Seattle, United States, Shashank Bhushan, University of Maryland, Greenbelt, United States, Paul Montesano, ADNET Systems Inc. Greenbelt, Greenbelt, United States, Christopher S R Neigh, NASA Goddard Space Flight Center, Biospheric Sciences Laboratory, Greenbelt, MD, United States, Weiwei Tan, The Hong Kong Polytechnic University, Department of Land Surveying and Geo-Informatics, Hung Hom, Hong Kong, Tiangang Yin, NASA Goddard Space Flight Center, Greenbelt, United States and Jean-Philippe Gastellu-Etchegorry, Centre d'Etudes Spatiales de la Biosphere, Toulouse Cedex 9, France