Articles | Volume 18, issue 15
Atmos. Chem. Phys., 18, 11041–11071, 2018
https://doi.org/10.5194/acp-18-11041-2018

Special issue: BACCHUS – Impact of Biogenic versus Anthropogenic emissions...

Atmos. Chem. Phys., 18, 11041–11071, 2018
https://doi.org/10.5194/acp-18-11041-2018

Research article 08 Aug 2018

Research article | 08 Aug 2018

A model intercomparison of CCN-limited tenuous clouds in the high Arctic

Robin G. Stevens et al.

Data sets

Model output from "A model intercomparison of CCN-limited tenuous clouds in the high Arctic" R. G. Stevens, K. Loewe, C. Dearden, A. Dimitrelos, A. Possner, G. K. Eirund, T. Raatikainen, A. A Hill, B. J. Shipway, J. Wilkinson, S. Romakkaniemi, J. Tonttila, A. Laaksonen, H. Korhonen, P. Connolly, U. Lohmann, C. Hoose, A. M. L. Ekman, K. S. Carslaw, and P. R. Field https://doi.org/10.5281/zenodo.1326922

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Short summary
We perform a model intercomparison of summertime high Arctic clouds. Observed concentrations of aerosol particles necessary for cloud formation fell to extremely low values, coincident with a transition from cloudy to nearly cloud-free conditions. Previous analyses have suggested that at these low concentrations, the radiative properties of the clouds are determined primarily by these particle concentrations. The model results strongly support this hypothesis.
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