Articles | Volume 19, issue 2
Atmos. Chem. Phys., 19, 1241–1261, 2019
Atmos. Chem. Phys., 19, 1241–1261, 2019

Research article 31 Jan 2019

Research article | 31 Jan 2019

Modeling the effect of non-ideality, dynamic mass transfer and viscosity on SOA formation in a 3-D air quality model

Youngseob Kim et al.

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Cited articles

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Boucher, O.: Atmospheric Aerosols, Properties and Climate Impact, Springer-Netherlands,, 2015. a
Bowman, F. M., Odum, J. R., Seinfeld, J. H., and Pandis, S. N.: Mathematical model for gas-particle partitioning of secondary organic aerosols, Atmos. Environ., 31, 3921–3931,, 1997. a
Boylan, J. W. and Russell, A. G.: PM and light extinction model performance metrics, goals, and criteria for three-dimensional air quality models, Atmos. Environ., 40, 4946–4959,, 2006. a, b
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Short summary
Assumptions (ideality and thermodynamic equilibrium) commonly made in 3-dimensional air quality models were reconsidered to evaluate their impacts on secondary organic aerosol (SOA) formation. Non-ideality (short-, medium- and long-range interactions of organics and inorganics) influences SOA concentrations by about 30 % over Europe. If SOA are highly viscous rather than inviscid, hydrophobic SOA concentrations increase by 6 % but can increase by an order of magnitude for volatile compounds.
Final-revised paper