Articles | Volume 17, issue 2
Atmos. Chem. Phys., 17, 769–791, 2017
https://doi.org/10.5194/acp-17-769-2017
Atmos. Chem. Phys., 17, 769–791, 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 et al.

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Cited articles

Alexandri, G., Georgoulias, A. K., Zanis, P., Katragkou, E., Tsikerdekis, A., Kourtidis, K., and Meleti, C.: On the ability of RegCM4 regional climate model to simulate surface solar radiation patterns over Europe: an assessment using satellite-based observations, Atmos. Chem. Phys., 15, 13195–13216, https://doi.org/10.5194/acp-15-13195-2015, 2015.
Alfaro, S. C. and Gomes, L.: Modeling mineral aerosol production by wind erosion: Emission intensities and aerosol size distributions in source areas, J. Geophys. Res., 106, 18075, https://doi.org/10.1029/2000JD900339, 2001.
Alfaro, S. C., Gaudichet, A., Gomes, L., and Maillé, M.: Modeling the size distribution of a soil aerosol produced by sandblasting, J. Geophys. Res., 102, 11239, https://doi.org/10.1029/97JD00403, 1997.
Alfaro, S. C., Gaudichet, A., Gomes, L., and Maillé, M.: Mineral aerosol production by wind erosion: Aerosol particle sizes and binding energies, Geophys. Res. Lett., 25, 991–994, https://doi.org/10.1029/98GL00502, 1998.
Ali, A. and Lebel, T.: The Sahelian standardized rainfall index revisited, Int. J. Climatol., 29, 1705–1714, https://doi.org/10.1002/joc.1832, 2009.
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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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