Articles | Volume 19, issue 7
Atmos. Chem. Phys., 19, 4741–4761, 2019
https://doi.org/10.5194/acp-19-4741-2019
Atmos. Chem. Phys., 19, 4741–4761, 2019
https://doi.org/10.5194/acp-19-4741-2019

Research article 09 Apr 2019

Research article | 09 Apr 2019

Cloud condensation nuclei activity of six pollenkitts and the influence of their surface activity

Nønne L. Prisle et al.

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AR by Anna Wenzel on behalf of the Authors (04 Oct 2018)  Author's response
ED: Referee Nomination & Report Request started (10 Nov 2018) by Maria Cristina Facchini
RR by Anonymous Referee #2 (04 Dec 2018)
ED: Publish subject to minor revisions (review by editor) (09 Dec 2018) by Maria Cristina Facchini
AR by Nonne Prisle on behalf of the Authors (14 Jan 2019)  Author's response    Manuscript
ED: Publish as is (04 Feb 2019) by Maria Cristina Facchini
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Short summary
We measure surface activity and cloud-forming potential of pollenkitt, an organic mixture coating pollen grains. Cloud droplet formation is affected through both surface tension and bulk depletion, with a consistent particle size-dependent signature. We observe nonideal solution effects in pollenkitt mixtures with ammonium sulfate salt. Our results suggest sensitivity of general water interactions, including cloud formation by pollen and their fragments, to both atmospheric humidity and aging.
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