Articles | Volume 20, issue 5
Atmos. Chem. Phys., 20, 3029–3040, 2020
https://doi.org/10.5194/acp-20-3029-2020

Special issue: New observations and related modelling studies of the aerosol–cloud–climate...

Atmos. Chem. Phys., 20, 3029–3040, 2020
https://doi.org/10.5194/acp-20-3029-2020

Research article 13 Mar 2020

Research article | 13 Mar 2020

Biomass burning aerosol as a modulator of the droplet number in the southeast Atlantic region

Mary Kacarab et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Athanasios Nenes on behalf of the Authors (07 Feb 2020)  Author's response    Manuscript
ED: Publish as is (10 Feb 2020) by J.M. Haywood
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Short summary
We find that extensive biomass burning aerosol plumes from southern Africa can profoundly influence clouds in the southeastern Atlantic. Concurrent variations in vertical velocity, however, are found to magnify the relationship between boundary layer aerosol and the cloud droplet number. Neglecting these covariances may strongly bias the sign and magnitude of aerosol impacts on the cloud droplet number.
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