Particle pH Inferred from Aircraft Data: Validation and Geographical, Vertical and Seasonal Characteristics with Case Studies from the WINTER Campaign

Hongyu Guo, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States, Rodney J Weber, Georgia Institute of Technology Main Campus, Atlanta, GA, United States, Athanasios Nenes, Ecole Polytechnique Federale de Lausanne, School of Architecture, Civil and Environmental Engineering (ENAC), Laboratory of Atmospheric Processes and their Impacts (LAPI), Lausanne, Switzerland, Amy Sullivan, Colorado State University, Department of Atmospheric Science, Fort Collins, United States, Joel A Thornton, University of Washington, Department of Atmospheric and Climate Science, Seattle, United States, Felipe Lopez-Hilfiker, Tofwerk, Thun, Switzerland, Jose L Jimenez, Harvard University, Cambridge, MA, United States, Pedro Campuzano Jost, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, United States, Jason Clay Schroder, Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States and Jack E Dibb, University of New Hampshire Main Campus, Institute for the Study of Earth, Ocean, and Space, Durham, NH, United States