Sean Crowell, University of Oklahoma Norman Campus, Norman, OK, United States, David Baker, Colorado State University, CIRA, Fort Collins, United States, Andrew R Jacobson, University of Colorado at Boulder, CIRES, Boulder, CO, United States; NOAA/ESRL, Global Monitoring Division, Boulder, CO, United States, Sourish Basu, NOAA, ESRL/GMD, Boulder, CO, United States; Cooperative Institute for Research in Environmental Studies, Boulder, CO, United States, Junjie Liu, Jet Propulsion Laboratory, Pasadena, CA, United States, Andrew E Schuh, Colorado State University, CIRA, Fort Collins, CO, United States, Frédéric Chevallier, LSCE Laboratoire des Sciences du Climat et de l'Environnement, Gif-Sur-Yvette Cedex, France, Feng Deng, University of Toronto, Physics, Toronto, ON, Canada, Liang Feng, University of Edinburgh, NCEO, Edinburgh, EH9, United Kingdom and Abhishek Chatterjee, USRA, Greenbelt, MD, United States; NASA Goddard Space Flight Center, GMAO, Greenbelt, MD, United States