Sarah Elizabeth Benish, University of Maryland College Park, College Park, MD, United States, Ross J Salawitch, University of Maryland, College Park, MD, United States, Xinrong Ren, NOAA Science Center, College Park, MD, United States, Hao He, University of Maryland College Park, Department of Atmospheric and Oceanic Science, College Park, MD, United States and Russell R. Dickerson, University of Maryland College Park, College Park, United States