Wandi Yu, Texas A&M University College Station, College Station, TX, United States, Andrew E Dessler, Texas A&M Univ, College Station, TX, United States, Mijeong Park, National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States and Eric J Jensen, National Center for Atmospheric Research, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States