Articles | Volume 21, issue 21
Atmos. Chem. Phys., 21, 16387–16411, 2021
https://doi.org/10.5194/acp-21-16387-2021
Atmos. Chem. Phys., 21, 16387–16411, 2021
https://doi.org/10.5194/acp-21-16387-2021

Research article 08 Nov 2021

Research article | 08 Nov 2021

A predictive thermodynamic framework of cloud droplet activation for chemically unresolved aerosol mixtures, including surface tension, non-ideality, and bulk–surface partitioning

Nønne L. Prisle

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Cited articles

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A mass-based Gibbs adsorption model is presented to enable predictive Köhler calculations of droplet growth and activation with considerations of surface partitioning, surface tension, and non-ideal water activity for chemically complex and unresolved surface active aerosol mixtures, including actual atmospheric samples. The model is used to calculate cloud condensation nuclei (CCN) activity of aerosol particles comprising strongly surface-active model atmospheric humic-like substances (HULIS).
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