Articles | Volume 15, issue 20
Atmos. Chem. Phys., 15, 11593–11627, 2015
https://doi.org/10.5194/acp-15-11593-2015
Atmos. Chem. Phys., 15, 11593–11627, 2015
https://doi.org/10.5194/acp-15-11593-2015

Research article 21 Oct 2015

Research article | 21 Oct 2015

Predicting the mineral composition of dust aerosols – Part 1: Representing key processes

J. P. Perlwitz et al.

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Short summary
The mineral composition of dust aerosols is modeled. The mineral composition is derived by extending a method that provides the composition of wet-sieved soil to account for differences between the mineral fractions of the wet-sieved soil and the resulting aerosol concentration. An empirical constraint upon the relative emission of clay and silt is applied that further differentiates soil and aerosol mineral composition. A method is proposed for mixing minerals with iron oxide impurities.
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