Brian C McDonald¹, Congmeng Lyu², Colin Harkins³, Quazi Ziaur Rasool⁴, Dr. Meng Li, PhD⁵, Jian He⁵, Alan Gorchov Negron⁶, Ilana Pollack⁷, Jack Prothero⁸, Kimberly L Mueller⁹, Jeff Peischl¹⁰, Alissa Choi¹¹, John B Miller¹², Sudhanshu Pandey¹³, John R Worden¹⁴, Aaron Meyer¹⁵, John C Lin¹⁶ and James Whetstone, (1)NOAA Chemical Sciences Laboratory, Boulder, United States, (2)Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder, Boulder, United States, (3)University of Colorado and NOAA ESRL/CSL, Boulder, CO, United States, (4)Rice University, Civil and Environmental Engineering, Houston, United States, (5)NOAA CSL and CU Boulder/CIRES, Boulder, United States, (6)University of Michigan Ann Arbor, Climate and Space Sciences and Engineering, Ann Arbor, United States, (7)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences, Boulder, United States, (8)NIST, Gaithersburg, United States, (9)University of Michigan EWRE, Washington, DC, United States, (10)CIRES, University of Colorado Boulder & NOAA Global Monitoring Laboratory, Boulder, United States, (11)University of Wisconsin Madison, Madison, WI, United States, (12)NOAA, Global Monitoring Laboratory, Boulder, United States, (13)SRON Netherlands Institute for Space Research, Utrecht, Netherlands, (14)Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States, (15)University of Utah, Salt Lake City, United States, (16)University of Utah, Department of Atmospheric Sciences, Salt Lake City, United States