Articles | Volume 16, issue 11
https://doi.org/10.5194/acp-16-7411-2016
© Author(s) 2016. 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-16-7411-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
15 Jun 2016
Research article |
| 15 Jun 2016
Real-time measurements of secondary organic aerosol formation and aging from ambient air in an oxidation flow reactor in the Los Angeles area
Amber M. Ortega
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Atmospheric and Oceanic Sciences, University of
Colorado, Boulder, CO, USA
Patrick L. Hayes
Department of Chemistry, Université de Montréal, Montréal,
Québec, Canada
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO USA
Brett B. Palm
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO USA
Weiwei Hu
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO USA
Douglas A. Day
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO USA
Rui Li
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Atmospheric and Oceanic Sciences, University of
Colorado, Boulder, CO, USA
Chemical Sciences Division, NOAA Earth System Research Laboratory,
Boulder, CO, USA
now at Markes International Inc., Cincinnati, OH 45242, USA
Michael J. Cubison
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO USA
now at: Tofwerk AG, Thun, Switzerland
William H. Brune
Department of Meteorology, Pennsylvania State University, University
Park, PA, USA
Martin Graus
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Chemical Sciences Division, NOAA Earth System Research Laboratory,
Boulder, CO, USA
now at: Institute of Meteorology and Geophysics, University of
Innsbruck, Innsbruck, Austria
Carsten Warneke
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Chemical Sciences Division, NOAA Earth System Research Laboratory,
Boulder, CO, USA
Jessica B. Gilman
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Chemical Sciences Division, NOAA Earth System Research Laboratory,
Boulder, CO, USA
William C. Kuster
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Chemical Sciences Division, NOAA Earth System Research Laboratory,
Boulder, CO, USA
retired
Joost de Gouw
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Chemical Sciences Division, NOAA Earth System Research Laboratory,
Boulder, CO, USA
Cándido Gutiérrez-Montes
Departamento de Ingeniería, Mecánica y Minera, Universidad de
Jaen, Jaen, Spain
Jose L. Jimenez
CORRESPONDING AUTHOR
Cooperative Institute for Research in the Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO USA
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Latest update: 06 Dec 2025
Short summary
An oxidation flow reactor (OFR) was deployed to study secondary organic aerosol (SOA) formation and aging of urban emissions at a wide range of OH exposures during the CalNex campaign in Pasadena, CA, in 2010. Results include linking SOA formation to short-lived reactive compounds, similar elemental composition of reactor-aged emissions to atmospheric aging, changes in OA mass due to condensation of oxidized gas-phase species and heterogeneous oxidation of particle-phase species.
An oxidation flow reactor (OFR) was deployed to study secondary organic aerosol (SOA) formation...
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