Articles | Volume 17, issue 2
https://doi.org/10.5194/acp-17-769-2017
https://doi.org/10.5194/acp-17-769-2017
Research article
 | 
18 Jan 2017
Research article |  | 18 Jan 2017

Impact of dust size parameterizations on aerosol burden and radiative forcing in RegCM4

Athanasios Tsikerdekis, Prodromos Zanis, Allison L. Steiner, Fabien Solmon, Vassilis Amiridis, Eleni Marinou, Eleni Katragkou, Theodoros Karacostas, and Gilles Foret

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Short summary
Dust is the most abundant aerosol in the atmosphere, considerably affecting Earth's climate. We use a new dust size discretization that improves the physical representation of dust in a regional climate model. This study is among the first studies evaluating the vertical profile of simulated dust with a pure dust product. The new dust size discretization increases dust optical depth by 10 % over the desert and Mediterranean. Consequently, the dust SW and LW radiative forcing is enhanced by 10 %.
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