Articles | Volume 17, issue 18
https://doi.org/10.5194/acp-17-11107-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-11107-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Semivolatile POA and parameterized total combustion SOA in CMAQv5.2: impacts on source strength and partitioning
Benjamin N. Murphy
CORRESPONDING AUTHOR
National Exposure Research Laboratory, US Environmental Protection Agency, Research Triangle Park, NC, USA
Matthew C. Woody
National Exposure Research Laboratory, US Environmental Protection Agency, Research Triangle Park, NC, USA
Jose L. Jimenez
Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado Boulder, Boulder, CO, USA
Ann Marie G. Carlton
Department of Chemistry, University of California, Irvine, Irvine, CA 92697, USA
Patrick L. Hayes
Department of Chemistry, Université de Montréal, Montréal, QC, Canada
Shang Liu
School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui, China
Nga L. Ng
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA, USA
Lynn M. Russell
Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, USA
Ari Setyan
EMPA, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, GA, USA
Jeff Young
National Exposure Research Laboratory, US Environmental Protection Agency, Research Triangle Park, NC, USA
Rahul A. Zaveri
Atmospheric Sciences and Global Change Division, Pacific Northwest National Laboratory, Richland, WA, USA
Department of Environmental Toxicology, University of California, Davis, Davis, CA, USA
Havala O. T. Pye
National Exposure Research Laboratory, US Environmental Protection Agency, Research Triangle Park, NC, USA
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Latest update: 08 Nov 2025
Short summary
We incorporate recent findings about the behavior of organic pollutants in urban airsheds into the Community Multiscale Air Quality (CMAQ) model to refine predictions of organic particulate pollution in the United States. The new techniques, which account for the volatility and ongoing chemistry of airborne organic compounds, substantially reduce biases, particularly in the winter time and near emission sources.
We incorporate recent findings about the behavior of organic pollutants in urban airsheds into...
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