In-Situ Observations Define the Role of Sulfur Dioxide in Stratospheric Aerosol Formation

Andrew W Rollins1, Troy D Thornberry1, Laurel A Watts2, Pengfei Yu3, Karen Hepler Rosenlof4, Michael J Mills5, Esther Baumann6, Fabrizio Giorgetta7, Thaopaul V Bui8, Michael Hopfner9, Kaley A Walker10, Chris D. Boone11, Peter F Bernath12, Peter Richard Colarco13, Paul A Newman14, David W Fahey15 and Ru-Shan Gao15, (1)NOAA Chemical Sciences Laboratory, Boulder, United States, (2)NOAA/ESRL, Boulder, CO, United States, (3)NOAA Earth System Research Laboratory and CIRES CU Boulder, Boulder, CO, United States, (4)Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States, (5)National Center for Atmospheric Research, Atmospheric Chemistry, Observations, and Modeling Laboratory, Boulder, CO, United States, (6)National Institute of Standards and Technology Boulder Laboratories, Boulder, United States, (7)National Institute of Standards and Technology Boulder Laboratories, Boulder, CO, United States, (8)NASA Ames Research Center, Moffett Field, United States, (9)Karlsruhe Institute of Technology, Institute of Meteorology and Climate Research, Karlsruhe, Germany, (10)University of Toronto, Department of Physics, Toronto, ON, Canada, (11)University of Waterloo, Department of Chemistry, Waterloo, ON, Canada, (12)Old Dominion University, Chemistry and Biochemistry, Norfolk, VA, United States, (13)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (14)NASA Goddard Space Flight Center, Code 610, Greenbelt, MD, United States, (15)NOAA Boulder, Boulder, CO, United States