Articles | Volume 18, issue 9
https://doi.org/10.5194/acp-18-6761-2018
https://doi.org/10.5194/acp-18-6761-2018
Research article
 | 
15 May 2018
Research article |  | 15 May 2018

Quantifying the effect of aerosol on vertical velocity and effective terminal velocity in warm convective clouds

Guy Dagan, Ilan Koren, and Orit Altaratz

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Cited articles

Andreae, M. O., Rosenfeld, D., Artaxo, P., Costa, A. A., Frank, G. P., Longo, K. M., and Silva-Dias, M. A. F.: Smoking rain clouds over the Amazon, Science, 303, 1337–1342, https://doi.org/10.1126/science.1092779, 2004.
Baker, M. B. and Peter, T.: Small-scale cloud processes and climate, Nature, 451, 299–300, https://doi.org/10.1038/nature06594, 2008.
Chen, Q., Koren, I., Altaratz, O., Heiblum, R. H., Dagan, G., and Pinto, L.: How do changes in warm-phase microphysics affect deep convective clouds?, Atmos. Chem. Phys., 17, 9585–9598, https://doi.org/10.5194/acp-17-9585-2017, 2017.
Dagan, G., Koren, I., and Altaratz, O.: Competition between core and periphery-based processes in warm convective clouds – from invigoration to suppression, Atmos. Chem. Phys., 15, 2749–2760, https://doi.org/10.5194/acp-15-2749-2015, 2015a.
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Short summary
In this paper we distill the problem of aerosol–cloud interactions to an interplay between the system's two characteristic vertical velocities, i.e., the air vertical velocity and the collective droplets fall velocity. We show using theoretical considerations and cloud-resolving models that the relations between the two velocities are extremely sensitive to the cloud field's thermodynamics and microphysical properties.
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