Utilizing SO2/CO2 Mixing Ratios to Determine SO2 Uptake by a Regional Cloud Layer

Solomon Bililign1, Jaime Ross Green2, Marc Nicholas Fiddler3, Lyatt Jaegle4, Joel A Thornton4, Steven S Brown5, Viral Shah6, Felipe Lopez-Hilfiker7, Ben H. Lee8, Jessica Haskins9, Dorothy L Fibiger10, Erin E. McDuffie11, Tamara Sparks12, Carlena J Ebben12, Paul J Wooldridge13, Ronald C Cohen14, Patrick R Veres15, Andrew John Weinheimer16, Jack E Dibb17, Jason Clay Schroder18, Doug A Day19, Jose L Jimenez20, Amy Sullivan21, Hongyu Guo22, Rodney J Weber23, Teresa Lynn Campos24, J. Brian Leen25, Joshua P DiGangi26 and Glenn M Wolfe27, (1)North Carolina A & T State University, Physics, Greensboro, NC, United States, (2)North Carolina A & T State University, Applied Science and Technology, Greensboro, United States, (3)North Carolina A&T State University, Chemistry, ISET Center, Greensboro, United States, (4)University of Washington, Department of Atmospheric and Climate Science, Seattle, United States, (5)NOAA Boulder, Boulder, CO, United States, (6)Harvard University, Cambridge, United States, (7)Tofwerk, Thun, Switzerland, (8)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, United States, (9)University of Washington Seattle, Atmospheric Sciences, Seattle, WA, UNITED STATES, (10)NOAA, CSD, Boulder, CO, United States, (11)US Environmental Protection Agency - Washington DC, Washington, United States, (12)University of California Berkeley, Berkeley, CA, United States, (13)UC Berkeley, Berkeley, CA, United States, (14)University of California, Berkeley, Berkeley, United States, (15)NOAA Boulder, Boulder, United States, (16)National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, United States, (17)University of New Hampshire Main Campus, Institute for the Study of Earth, Ocean, and Space, Durham, NH, United States, (18)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (19)CIRES, Boulder, CO, United States, (20)University of Colorado at Boulder, Dept. of Chemistry and Biochemistry, Boulder, CO, United States, (21)Colorado State University, Department of Atmospheric Science, Fort Collins, United States, (22)Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States, (23)Georgia Institute of Technology Main Campus, Atlanta, GA, United States, (24)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States, (25)Nikira Labs, Inc., Mountain View, United States, (26)NASA Langley Research Center, Hampton, VA, United States, (27)UMBC/NASA Goddard, Greenbelt, MD, United States