Articles | Volume 21, issue 9
https://doi.org/10.5194/acp-21-7271-2021
https://doi.org/10.5194/acp-21-7271-2021
Research article
 | 
12 May 2021
Research article |  | 12 May 2021

Is a more physical representation of aerosol activation needed for simulations of fog?

Craig Poku, Andrew N. Ross, Adrian A. Hill, Alan M. Blyth, and Ben Shipway

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Latest update: 04 May 2024
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Short summary
We present a new aerosol activation scheme suitable for modelling both fog and convective clouds. Most current activation schemes are designed for convective clouds, and we demonstrate that using them to model fog can negatively impact its life cycle. Our scheme has been used to model an observed fog case in the UK, where we demonstrate that a more physically based representation of aerosol activation is required to capture the transition to a deeper layer – more in line with observations.
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