Hiren T Jethva, Universities Space Research Association, Columbia, MD, United States, Omar Torres, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Robert D Field, Columbia University, New York, NY, United States, Alexei Lyapustin, NASA Goddard Space Flight Cen., Greenbelt, MD, United States, Ritesh Gautam, Environmental Defense Fund, Washington, DC, United States and Vinay K Kayetha, Science Systems and Applications, Inc., Lanham, MD, United States