Articles | Volume 17, issue 16
Research article
25 Aug 2017
Research article |  | 25 Aug 2017

Modeling atmospheric mineral aerosol chemistry to predict heterogeneous photooxidation of SO2

Zechen Yu, Myoseon Jang, and Jiyeon Park

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Subject: Aerosols | Research Activity: Atmospheric Modelling and Data Analysis | Altitude Range: Troposphere | Science Focus: Chemistry (chemical composition and reactions)
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Cited articles

Adams, J. W., Rodriguez, D., and Cox, R. A.: The uptake of SO2 on Saharan dust: a flow tube study, Atmos. Chem. Phys., 5, 2679–2689,, 2005.
Atkinson, R. and Lloyd, A. C.: Evaluation of kinetic and mechanistic data for modeling of photochemical smog, J. Phys. Chem. Ref. Data, 13, 315–444,, 1984.
Atkinson, R., Baulch, D., Cox, R., Hampson Jr., R., Kerr, J., Rossi, M., and Troe, J.: Evaluated kinetic and photochemical data for atmospheric chemistry: supplement VI, IUPAC subcommittee on gas kinetic data evaluation for atmospheric chemistry, J. Phys. Chem. Ref. Data, 26, 1329–1499, 1997.
Baulch, D., Cox, R., Hampson Jr., R., Kerr, J., Troe, J., and Watson, R.: Evaluated kinetic and photochemical data for atmospheric chemistry: supplement II. CODATA task group on gas 20 phase chemical kinetics, J. Phys. Chem. Ref. Data, 13, 1259–1380,, 1984.
Beardsley, R., Jang, M., Ori, B., Im, Y., Delcomyn, C. A., and Witherspoon, N.: Role of sea salt aerosols in the formation of aromatic secondary organic aerosol: yields and hygroscopic properties, Environ. Chem., 10, 167–177,, 2013.
Short summary
Mineral dust is an important sink for sulfur dioxide that can be oxidized and further influence the acidification of particles as well as cloud formation. In this study, a model was developed to capture the importance of mineral dust on sulfate formation in various environments. The results suggest that the oxidation of sulfur dioxide is greatly promoted in the presence of dust particles. Our model is helpful to enhance the accuracy of sulfate formation predicted.
Final-revised paper