Articles | Volume 20, issue 21
Atmos. Chem. Phys., 20, 12515–12525, 2020
https://doi.org/10.5194/acp-20-12515-2020

Special issue: Marine aerosols, trace gases, and clouds over the North Atlantic...

Atmos. Chem. Phys., 20, 12515–12525, 2020
https://doi.org/10.5194/acp-20-12515-2020

Research article 01 Nov 2020

Research article | 01 Nov 2020

Large contribution of organics to condensational growth and formation of cloud condensation nuclei (CCN) in the remote marine boundary layer

Guangjie Zheng et al.

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AR by Jian Wang on behalf of the Authors (31 Aug 2020)  Author's response    Manuscript
ED: Publish as is (08 Sep 2020) by Ryan Sullivan
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Short summary
Condensational growth of Aitken-mode particles is a major source of cloud condensation nuclei in the remote marine boundary layer. It has been long thought that over remote oceans, condensation growth is dominated by sulfate that derives from ocean-emitted dimethyl sulfide. In this study, we present the first long-term observational evidence that, contrary to conventional thinking, organics play an even more important role than sulfate in particle growth over remote oceans throughout the year.
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