Articles | Volume 20, issue 20
Atmos. Chem. Phys., 20, 12163–12176, 2020
https://doi.org/10.5194/acp-20-12163-2020
Atmos. Chem. Phys., 20, 12163–12176, 2020
https://doi.org/10.5194/acp-20-12163-2020

Research article 27 Oct 2020

Research article | 27 Oct 2020

Drivers of cloud droplet number variability in the summertime in the southeastern United States

Aikaterini Bougiatioti et al.

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Short summary
The number concentration of droplets in clouds in the summertime in the southeastern United States is influenced by aerosol variations but limited by the strong competition for supersaturated water vapor. Concurrent variations in vertical velocity magnify the response of cloud droplet number to aerosol increases by up to a factor of 5. Omitting the covariance of vertical velocity with aerosol number may therefore bias estimates of the cloud albedo effect from aerosols.
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