Abstract
Sulfate production rates in different-sized droplets near cloud base have been calculated using an adiabatic parcel model, which includes cloud microphysics and liquid phase chemical reactions. The calculations are based on size-segregated measurements of the chemical composition of aerosol particles. The results show: The sulfate mass fraction of the activated particles increases rapidly because the water volume, in which the sulfate production occurs, is large compared to the volume of the particulate material. Little sulfate is produced on the interstitial particles because of their relatively small content of liquid water. For the largest growing droplets which have formed on coarse mode particles, sulfate production is small. In this case, mass transport limitations for S02, 03 and H202 have to be considered to describe the sulfate production properly.
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© 1988 Springer-Verlag
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Seidl, W., Dlugi, R. (1988). Sulfate production in different-sized droplets using an adiabatic parcel model. In: Wagner, P.E., Vali, G. (eds) Atmospheric Aerosols and Nucleation. Lecture Notes in Physics, vol 309. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-50108-8_1010
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DOI: https://doi.org/10.1007/3-540-50108-8_1010
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