Abstract
The presence of small ions influences the growth dynamics of a size distribution of aerosols. Specifically the often neglected mass of small ions influences the aerosol growth rate, which may be important for terrestrial cloud formation. To this end, we develop a numerical model to calculate the growth of a species of aerosols in the presence of charge, which explicitly includes terms for ion-condensation. It is shown that a positive contribution to aerosol growth rate is obtained by increasing the ion-pair concentration through this effect, consistent with recent experimental findings. The ion-condensation effect is then compared to aerosol growth from charged aerosol coagulation, which is seen to be independent of ion-pair concentration. The model source code is made available through a public repository.
Originalsprog | Engelsk |
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Artikelnummer | e2020EA001142 |
Tidsskrift | Journal of Geophysical Research: Biogeosciences |
Vol/bind | 7 |
Udgave nummer | 9 |
Antal sider | 22 |
ISSN | 2169-8953 |
DOI | |
Status | Udgivet - 1 sep. 2020 |