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.


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anna Wenzel on behalf of the Authors (16 Oct 2018)  Author's response
ED: Referee Nomination & Report Request started (05 Nov 2018) by Kari Lehtinen
ED: Publish as is (10 Jan 2019) by Kari Lehtinen
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