Articles | Volume 19, issue 9
https://doi.org/10.5194/acp-19-6497-2019
© Author(s) 2019. 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-19-6497-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
16 May 2019
Research article |
| 16 May 2019
| 16 May 2019
Effect of sea salt aerosol on tropospheric bromine chemistry
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Daniel J. Jacob
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
Sebastian D. Eastham
Laboratory for Aviation and the Environment, Massachusetts Institute of Technology, Cambridge, MA, USA
Melissa P. Sulprizio
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Xuan Wang
John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Tomás Sherwen
Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, York, UK
National Centre for Atmospheric Science (NCAS), University of York, York, UK
Mat J. Evans
Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, York, UK
National Centre for Atmospheric Science (NCAS), University of York, York, UK
Qianjie Chen
Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA
now at: Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
Becky Alexander
Department of Atmospheric Sciences, University of Washington, Seattle, WA, USA
Theodore K. Koenig
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, CO, USA
Rainer Volkamer
Department of Chemistry, University of Colorado, Boulder, CO, USA
Cooperative Institute for Research in Environmental Sciences (CIRES), Boulder, CO, USA
L. Gregory Huey
School of Earth and Atmospheric Sciences, Georgia Tech, Atlanta, Georgia, USA
Michael Le Breton
The Centre for Atmospheric Science, School of Earth, Atmospheric and Environmental Sciences,
University of Manchester, Simon Building, Brunswick Street, Manchester M13 9PL, UK
Department of Chemistry and Molecular Biology, University of Gothenburg, Medicinaregatan 9 C, 40530 Gothenburg, Sweden
Thomas J. Bannan
The Centre for Atmospheric Science, School of Earth, Atmospheric and Environmental Sciences,
University of Manchester, Simon Building, Brunswick Street, Manchester M13 9PL, UK
Carl J. Percival
The Centre for Atmospheric Science, School of Earth, Atmospheric and Environmental Sciences,
University of Manchester, Simon Building, Brunswick Street, Manchester M13 9PL, UK
now at: Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, CA, USA
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Latest update: 25 Nov 2025
Short summary
We quantify the effect of sea salt aerosol on tropospheric bromine chemistry with a new mechanistic description of the halogen chemistry in a global atmospheric chemistry model. For the first time, we are able to reproduce the observed levels of bromide activation from the sea salt aerosol in a manner consistent with bromine oxide radical measured from various platforms. Sea salt aerosol plays a far more complex role in global tropospheric chemistry than previously recognized.
We quantify the effect of sea salt aerosol on tropospheric bromine chemistry with a new...
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