Articles | Volume 15, issue 10
https://doi.org/10.5194/acp-15-5773-2015
© Author(s) 2015. 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-15-5773-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
26 May 2015
Research article |
| 26 May 2015
Modeling the formation and aging of secondary organic aerosols in Los Angeles during CalNex 2010
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO, USA
Université de Montréal, Department of Chemistry, Montreal, QC, Canada
A. G. Carlton
Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA
K. R. Baker
US Environmental Protection Agency, Research Triangle Park, NC, USA
R. Ahmadov
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Earth System Research Laboratory, National Oceanic and Atmospheric Administration (NOAA), Boulder, CO, USA
R. A. Washenfelder
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Earth System Research Laboratory, National Oceanic and Atmospheric Administration (NOAA), Boulder, CO, USA
S. Alvarez
Department of Earth and Atmospheric Sciences, University of Houston, TX, USA
B. Rappenglück
Department of Earth and Atmospheric Sciences, University of Houston, TX, USA
J. B. Gilman
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Earth System Research Laboratory, National Oceanic and Atmospheric Administration (NOAA), Boulder, CO, USA
W. C. Kuster
Earth System Research Laboratory, National Oceanic and Atmospheric Administration (NOAA), Boulder, CO, USA
J. A. de Gouw
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Earth System Research Laboratory, National Oceanic and Atmospheric Administration (NOAA), Boulder, CO, USA
P. Zotter
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland
A. S. H. Prévôt
Laboratory of Atmospheric Chemistry, Paul Scherrer Institute, Villigen, Switzerland
S. Szidat
Department of Chemistry and Biochemistry & Oeschger Centre for Climate Change Research, University of Bern, Bern, Switzerland
T. E. Kleindienst
US Environmental Protection Agency, Research Triangle Park, NC, USA
J. H. Offenberg
US Environmental Protection Agency, Research Triangle Park, NC, USA
P. K. Ma
Université de Montréal, Department of Chemistry, Montreal, QC, Canada
Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO, USA
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Short summary
(1) Four different parameterizations for the formation and chemical evolution of secondary organic aerosol (SOA) are evaluated using a box model representing the Los Angeles region during the CalNex campaign.
(2) The SOA formed only from the oxidation of VOCs is insufficient to explain the observed SOA concentrations.
(3) The amount of SOA mass formed from diesel vehicle emissions is estimated to be 16-27%.
(4) Modeled SOA depends strongly on the P-S/IVOC volatility distribution.
(1) Four different parameterizations for the formation and chemical evolution of secondary...
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