Articles | Volume 19, issue 9
https://doi.org/10.5194/acp-19-6295-2019
https://doi.org/10.5194/acp-19-6295-2019
Research article
 | 
14 May 2019
Research article |  | 14 May 2019

Cloud droplet growth in shallow cumulus clouds considering 1-D and 3-D thermal radiative effects

Carolin Klinger, Graham Feingold, and Takanobu Yamaguchi

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Subject: Clouds and Precipitation | Research Activity: Atmospheric Modelling | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Ackerman, A. S., Hobbs, P. V., and Toon, O. B.: A Model for Particle Microphysics, Turbulent Mixing, and Radiative Transfer in the Stratocumulus-Topped Marine Boundary Layer and Comparisons with Measurements, J. Atmos. Sci., 52, 1204–1236, https://doi.org/10.1175/1520-0469(1995)052<1204:AMFPMT>2.0.CO;2, 1995. a
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Boucher, O., Randall, D., Artaxo, P., Bretherton, C., Feingold, G., Forster, P., Kerminen, V.-M., Kondo, Y., Liao, H., Lohmann, U., Rasch, P., Satheesh, S., Sherwood, S., Stevens, B., and Zhang, X.: Clouds and aerosols, in: Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, 571–657, Cambridge University Press, 2013. a
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Short summary
The effect of 1-D and 3-D thermal radiation on cloud droplet growth in shallow cumulus clouds is investigated using large eddy simulations with size-resolved cloud microphysics. A two-step approach is used for separating microphysical effects from dynamical feedbacks. In a parcel framework the main effect on rain production arises from recirculating parcels. Large eddy simulations show that radiative effects on dynamics are stronger than on microphysics, as far as rain production is concerned.
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