Sean Crowell¹, David F Baker², Ian T Baker², Sourish Basu³, Abhishek Chatterjee⁴, Frederic Chevallier⁵, Fei Jiang⁶, Zhe Jin⁷, Matthew S Johnson⁸, Aleya Kaushik⁹, Junjie Liu¹⁰, Suman Maity¹¹, Shamil S Maksyutov¹², Scot Miller¹³, Kristan Morgan¹⁴, Christopher O'Dell¹⁵, Sajeev Philip¹⁶, Vivienne Payne¹⁷, Andrew E Schuh¹⁸, Kenneth Schuldt¹⁹, Brad Weir²⁰ and David Baker, (1)Organization Not Listed, Washington, DC, United States, (2)Colorado State University, CIRA, Fort Collins, United States, (3)NOAA, Global Monitoring Laboratory, Boulder, United States, (4)California Institute of Technology, Jet Propulsion Laboratory, Pasadena, United States, (5)Institut Pierre Simon Laplace, LSCE, Gif-sur-Yvette Cedex, France, (6)Nanjing University, Nanjing, China, (7)Peking University, Beijing, China, (8)Earth Science Division, NASA Ames Research Center, Moffett Field, CA, United States, (9)NOAA/ESRL, Global Monitoring Division, Boulder, CO, United States, (10)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (11)NIES National Institute of Environmental Studies, Ibaraki, Japan, (12)NIES, Tsukuba, Japan, (13)Johns Hopkins University, Environmental Health and Engineering, Baltimore, United States, (14)Johns Hopkins University, Balitmore, United States, (15)Colorado State University, Fort Collins, United States, (16)Centre for Atmospheric Sciences, Indian Institute of Technology Delhi, New Delhi, India, (17)NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (18)Colorado State University, CIRA, Fort Collins, CO, United States, (19)Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (20)NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, MD, United States