Articles | Volume 15, issue 20
Atmos. Chem. Phys., 15, 11629–11652, 2015
Atmos. Chem. Phys., 15, 11629–11652, 2015
Research article
21 Oct 2015
Research article | 21 Oct 2015

Predicting the mineral composition of dust aerosols – Part 2: Model evaluation and identification of key processes with observations

J. P. Perlwitz et al.

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Subject: Aerosols | Research Activity: Atmospheric Modelling | Altitude Range: Troposphere | Science Focus: Physics (physical properties and processes)
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Cited articles

Adedokum, J. A., Emofurieta, W. O., and Adedeji, O. A.: Physical, Mineralogical and Chemical Properties of Harmattan Dust at Ile-Ife, Nigeria, Theor. Appl. Climatol., 40, 161–169,, 1989.
Alastuey, A., Querol, X., Castillo, S., Escudero, M., Avila, A., Cuevas, E., Torres, C., Romero, P.-M., Exposito, F., Garc\'ia, O., Diaz, J. P., Van Dingenen, R., and Putaud, J. P.: Characterisation of TSP and PM2.5 at Izaña and Sta. Cruz de Tenerife (Canary Islands, Spain) during a Saharan Dust Episode (July 2002), Atmos. Environ., 39, 4715–4728,, 2005.
Al-Awadhi, J. M. and AlShuaibi, A. A.: Dust fallout in Kuwait city: Deposition and characterization, Sci. Total Environ., 461–462, 139–148,, 2013.
Al-Dousari, A. M. and Al-Awadhi, J.: Dust fallout in Northern Kuwait, major sources and characteristics, Kuwait J. Sci., 39, 171–187, 2012.
Al-Dousari, A. M., Al-Awadhi, J., and Ahmed, M.: Dust fallout characteristics within global dust storm major trajectories, Arab. J. Geosci., 6, 3877–3884,, 2013.
Short summary
A global compilation from nearly sixty measurement studies is used to evaluate two methods of simulating the mineral composition of dust aerosols. Dust emission based on wet-sieved soil is assumed for the first method. The second method reconstructs the aggregates and size distribution of the emitted dust aerosols. Only the second method is able to reproduce observed phyllosilicate fractions in the silt size range and reduces quartz overestimation. Substantial uncertainties remain.
Final-revised paper