Articles | Volume 18, issue 15
https://doi.org/10.5194/acp-18-11471-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-18-11471-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Characterization of aerosol composition, aerosol acidity, and organic acid partitioning at an agriculturally intensive rural southeastern US site
Theodora Nah
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
now at: School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong, China
Hongyu Guo
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
Amy P. Sullivan
Department of Atmospheric Science, Colorado State University, Fort Collins, CO, USA
Yunle Chen
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
David J. Tanner
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
Athanasios Nenes
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
ICE-HT, Foundation for Research and Technology, Hellas, 26504 Patras, Greece
IERSD, National Observatory of Athens, P. Penteli, 15236 Athens, Greece
Armistead Russell
School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, GA, USA
Nga Lee Ng
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
L. Gregory Huey
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
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Short summary
We present measurements from a field study conducted in an agriculturally intensive region in the southeastern US during the fall of 2016 to investigate how NH3 affects particle acidity and SOA formation via gas–particle partitioning of semi-volatile organic acids. For this study, higher NH3 concentrations relative to what has been measured in the region in previous studies had minor effects on PM1 organic acids and their influence on the overall organic aerosol and PM1 mass concentrations.
We present measurements from a field study conducted in an agriculturally intensive region in...
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