Articles | Volume 18, issue 13
https://doi.org/10.5194/acp-18-9393-2018
https://doi.org/10.5194/acp-18-9393-2018
Research article
 | 
05 Jul 2018
Research article |  | 05 Jul 2018

The efficiency of secondary organic aerosol particles acting as ice-nucleating particles under mixed-phase cloud conditions

Wiebke Frey, Dawei Hu, James Dorsey, M. Rami Alfarra, Aki Pajunoja, Annele Virtanen, Paul Connolly, and Gordon McFiggans

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Short summary
The coupled system of the Manchester Aerosol Chamber and Manchester Ice Cloud Chamber was used to study the ice-forming abilities of secondary organic aerosol particles under mixed-phase cloud conditions. Given the vast abundance of secondary organic particles in the atmosphere, they might present an important contribution to ice-nucleating particles. However, we find that in the studied temperature range (20 to 28 °C) the secondary organic particles do not nucleate ice particles.
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