Articles | Volume 18, issue 23
Atmos. Chem. Phys., 18, 17451–17474, 2018
https://doi.org/10.5194/acp-18-17451-2018
Atmos. Chem. Phys., 18, 17451–17474, 2018
https://doi.org/10.5194/acp-18-17451-2018

Research article 10 Dec 2018

Research article | 10 Dec 2018

H2SO4–H2O–NH3 ternary ion-mediated nucleation (TIMN): kinetic-based model and comparison with CLOUD measurements

Fangqun Yu et al.

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Cited articles

Ball, S. M., Hanson, D. R., Eisele, F. L., and McMurry, P. H., Laboratory studies of particle nucleation: Initial results for H2SO4, H2O, and NH3 vapors, J. Geophys. Res., 104, 23709–23718, https://doi.org/10.1029/1999JD900411, 1999. 
Bandy, A. R. and Ianni, J. C.: Study of the hydrates of H2SO4 using density functional theory, J. Phys. Chem. A, 102, 6533–6539, 1998. 
Behera, S. N. and Sharma, M.: Investigating the potential role of ammonia in ion chemistry of fine particulate matter formation for an urban environment, Sci. Total Environ., 408, 3569–3575, 2010. 
Benson, D. R., Erupe, M. E., and Lee, S.-H.: Laboratory-measured H2SO4-H2O-NH3 ternary homogeneous nucleation rates: Initial observations, Geophys. Res. Lett., 36, L15818, https://doi.org/10.1029/2009GL038728, 2009. 
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Aerosol nucleation exerts important influences on the climate, hydrological cycle, and air quality. We have developed an advanced physical–chemical model that describes ion-induced and neutral nucleation involving ammonia, sulfuric acid, and water vapors. The model is shown to reproduce laboratory measurements taken under a wide range of conditions, offers physiochemical insights into the ternary nucleation process, and provides an accurate approach to calculate ternary rate in the atmosphere.
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