Articles | Volume 16, issue 3
https://doi.org/10.5194/acp-16-1603-2016
© 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-16-1603-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
11 Feb 2016
Research article |
| 11 Feb 2016
Aqueous-phase mechanism for secondary organic aerosol formation from isoprene: application to the southeast United States and co-benefit of SO2 emission controls
School of Engineering and Applied Sciences, Harvard University,
Cambridge, MA, USA
D. J. Jacob
School of Engineering and Applied Sciences, Harvard University,
Cambridge, MA, USA
Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
J. L. Jimenez
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO, USA
P. Campuzano-Jost
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO, USA
D. A. Day
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO, USA
J. Krechmer
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Department of Chemistry and Biochemistry, University of Colorado,
Boulder, CO, USA
School of Engineering and Applied Sciences, Harvard University,
Cambridge, MA, USA
P. S. Kim
Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
C. C. Miller
Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
J. A. Fisher
School of Chemistry and School of Earth and Environmental Sciences,
University of Wollongong, Wollongong, New South Wales, Australia
K. Travis
School of Engineering and Applied Sciences, Harvard University,
Cambridge, MA, USA
K. Yu
School of Engineering and Applied Sciences, Harvard University,
Cambridge, MA, USA
T. F. Hanisco
Atmospheric Chemistry and Dynamics Lab, NASA Goddard Space Flight
Center, Greenbelt, MD, USA
G. M. Wolfe
Atmospheric Chemistry and Dynamics Lab, NASA Goddard Space Flight
Center, Greenbelt, MD, USA
Joint Center for Earth Systems Technology, University of Maryland
Baltimore County, Baltimore, MD, USA
H. L. Arkinson
Department of Atmospheric and Oceanic Science, University of Maryland,
College Park, MD, USA
H. O. T. Pye
National Exposure Research Laboratory, US EPA, Research Triangle Park,
NC, USA
K. D. Froyd
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Chemical Sciences Division, Earth System Research Laboratory, NOAA,
Boulder, CO, USA
J. Liao
Cooperative Institute for Research in Environmental Sciences,
University of Colorado, Boulder, CO, USA
Chemical Sciences Division, Earth System Research Laboratory, NOAA,
Boulder, CO, USA
V. F. McNeill
Department of Chemical Engineering, Columbia University, New York,
NY, USA
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Latest update: 23 Nov 2025
Short summary
Isoprene secondary organic aerosol (SOA) is a dominant aerosol component in the southeast US, but models routinely underestimate isoprene SOA with traditional schemes based on chamber studies operated under conditions not representative of isoprene-emitting forests. We develop a new irreversible uptake mechanism to reproduce isoprene SOA yields (3.3 %) and composition, and find a factor of 2 co-benefit of SO2 emission controls on reducing sulfate and organic aerosol in the southeast US.
Isoprene secondary organic aerosol (SOA) is a dominant aerosol component in the southeast US,...
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