James (Young Suk) Yoon¹, Katie Tuite¹ and Jochen Stutz², (1)University of California Los Angeles, Los Angeles, CA, United States, (2)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States

Phuc Thi Minh Ha¹ and Kengo Sudo^1,2, (1)Nagoya University, Nagoya, Japan, (2)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan

Lisa Whalley¹, Eloise Slater^2,3, Robert Woodward-Massey³, Chunxiang Ye⁴, James D Lee⁵, Freya Anne Squires⁵, James R Hopkins⁵, Rachel Dunmore⁵, Marvin Shaw⁶, Jacqueline Hamilton⁵, Alastair C Lewis⁶, Archit Mehra⁷, Stephen D Worrall⁸, Asan Bacak⁹, Tom Bannan⁷, Hugh Coe¹⁰, Bin Ouyang¹¹, Roderic L Jones¹¹, Leigh Crilley¹², Louisa J Kramer^12,13, William Bloss¹², Tuan Vu¹⁴, Simone Kotthaus¹⁵, Sue B Grimmond¹⁶, Yele Sun¹⁷, Siyao Yue¹⁷, Lujie Ren¹⁸, W. Joe F. Acton¹⁹, C Nick Hewitt¹⁹, Xinming Wang²⁰, Pingqing Fu²¹ and Dwayne E Heard¹, (1)University of Leeds, School of Chemistry, Leeds, LS2, United Kingdom, (2)University of Leeds, School of Chemsitry, Leeds, AL, United Kingdom, (3)University of Leeds, School of Chemistry, Leeds, United Kingdom, (4)Peking University, Beijing, China, (5)University of York, Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, York, United Kingdom, (6)Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, York, United Kingdom, (7)University of Manchester, Manchester, United Kingdom, (8)Aston University, Chemical Engineering and Applied Chemistry, Birmingham, United Kingdom, (9)University of Manchester, Centre for Atmospheric Science, School of Earth, Atmospheric and Environmental Sciences, Manchester, United Kingdom, (10)Department of Earth and Environmental Sciences, University of Manchester, Manchester, United Kingdom, (11)University of Cambridge, Cambridge, United Kingdom, (12)University of Birmingham, School of Geography, Earth and Environmental Sciences, Birmingham, United Kingdom, (13)University of Birmingham, Birmingham, MI, United Kingdom, (14)University of Birmingham, Birmingham, United Kingdom, (15)King's College London, Department of Geography, London, United Kingdom, (16)University of Reading, Meteorology, Reading, RG6, United Kingdom, (17)Institute of Atmospheric Physics, Chinese Academy of Sciences, State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Beijing, China, (18)Institute of Surface-Earth System Science, Tianjin University, Tianjin, China, (19)University of Lancaster, Lancaster Environment Centre, Lancaster, United Kingdom, (20)Chinese Academy Of Sciences, Guangzhou, China, (21)Tianjin University, Institute of Surface-Earth System Science, Tianjin, China

Colleen Baublitz¹, Arlene M Fiore², Julie M Nicely³, Glenn M Wolfe⁴, Luke Valin⁵, Melanie B Follette-Cook⁶, Roisin Commane⁷, Michael J Prather⁸, Hannah M Allen⁹, Ilann Bourgeois¹⁰, William H Brune¹¹, Thaopaul V Bui¹², John D Crounse¹³, Bruce C Daube¹⁴, Glenn S Diskin¹⁵, Samuel R Hall¹⁶, Thomas F Hanisco⁶, Michelle J Kim¹³, David Owen Miller¹⁷, Jeff Peischl¹⁸, Thomas B Ryerson¹⁹, Jason M St Clair²⁰, Alexander Benjamin Thames¹¹, Chelsea R Thompson²¹, Kirk Ullmann²², Paul O Wennberg¹³ and Steven C Wofsy¹⁴, (1)Columbia University, Department of Earth and Environmental Sciences, Palisades, NY, United States, (2)Columbia University, Palisades, NY, United States, (3)University of Maryland College Park, College Park, MD, United States, (4)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (5)Environmental Protection Agency Research Triangle Park, Research Triangle Park, NC, United States, (6)NASA GSFC, Greenbelt, MD, United States, (7)Columbia University in the City of New York, New York, NY, United States, (8)Univ California Irvine, Irvine, CA, United States, (9)California Institute of Technology, Pasadena, CA, United States, (10)NOAA Chemical Sciences Division, Boulder, CO, United States, (11)Pennsylvania State University, University Park, PA, United States, (12)NASA Ames Research Center, Moffett Field, CA, United States, (13)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, CA, United States, (14)Harvard University, John A. Paulson School of Engineering and Applied Sciences, Cambridge, MA, United States, (15)NASA Langley Research Ctr, Hampton, VA, United States, (16)NCAR, Denver, CO, United States, (17)Pennsylvania State Univ, University Park, PA, United States, (18)CIRES and NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (19)NOAA ESRL Chemical Sciences Division, Boulder, CO, United States, (20)University of Maryland Baltimore County, Baltimore, MD, United States, (21)University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States, (22)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States

Pam Wales, Universities Space Research Association Greenbelt, Greenbelt, MD, United States, Christoph Keller, NASA Goddard Space Flight Center, Global Modeling and Assimilation Office, Greenbelt, MD, United States, K. Emma Knowland, Universities Space Research Association Columbia, Columbia, MD, United States and Steven Pawson, NASA Goddard Space Flight Center, Greenbelt, MD, United States

Rainer M Volkamer¹, Theodore Konstantinos Koenig¹, Christopher F Lee¹, Francois Hendrick², Douglas Edward Kinnison³, Andrew John Weinheimer⁴, Thomas F Hanisco⁵, Glenn M Wolfe⁶ and Michel Van Roozendael², (1)University of Colorado Boulder, Chemistry & CIRES, Boulder, CO, United States, (2)Royal Belgian Institute for Space Aeronomy, Brussels, Belgium, (3)NCAR, Boulder, CO, United States, (4)NCAR, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (5)NASA GSFC, Greenbelt, MD, United States, (6)University of Maryland Baltimore County, Baltimore, MD, United States

Christopher Jernigan¹, Max B Berkelhammer², Pamela Rickly³, Andrew W Rollins³ and Timothy H Bertram⁴, (1)University of Wisconsin Madison, Chemistry, Madison, WI, United States, (2)University of Illinois at Chicago, Chicago, IL, United States, (3)NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, CO, United States, (4)University of Wisconsin Madison, Department of Chemistry, Madison, WI, United States

Gordon Novak¹, Patrick R Veres², Charles Fite³, J A Neuman^2,4, Michael Vermeuel¹, Christopher Jernigan¹, Thaopaul V Bui⁵, Ian C Faloona⁶, Glenn M Wolfe^7,8, Christopher D Holmes³ and Timothy Bertram¹, (1)University of Wisconsin Madison, Chemistry, Madison, WI, United States, (2)NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, (3)Florida State University, Tallahassee, FL, United States, (4)CIRES, Boulder, CO, United States, (5)NASA Ames Research Center, Moffett Field, CA, United States, (6)Univ California, Davis, Davis, CA, United States, (7)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (8)University of Maryland Baltimore County, Joint Center for Earth System Technology, Baltimore, MD, United States