Water Interaction with Mineral Dust Aerosol: Particle Size and Hygroscopic Properties of Dust

Water Interaction with Mineral Dust Aerosol: Particle Size and Hygroscopic Properties of Dust

For many years, the interaction between dust particles and water molecules has been a subject of interest for the atmospheric sciences community. However, the influence of the particle size on the hygroscopicity of mineral particles is poorly evaluated. In the current study, diffused reflectance inf...

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Veröffentlicht in:ACS earth and space chemistry 2018-04, Vol.2 (4), p.376-386
Hauptverfasser: Ibrahim, Sara, Romanias, Manolis N, Alleman, Laurent Y, Zeineddine, Mohamad N, Angeli, Giasemi K, Trikalitis, Pantelis N, Thevenet, Frederic
Format: Artikel
Sprache:eng
Schlagworte:
Chemical Sciences
Environmental Sciences
Global Changes
or physical chemistry
Theoretical and
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Zusammenfassung:For many years, the interaction between dust particles and water molecules has been a subject of interest for the atmospheric sciences community. However, the influence of the particle size on the hygroscopicity of mineral particles is poorly evaluated. In the current study, diffused reflectance infrared Fourier transform (DRIFT) spectroscopy is used to evaluate the in situ water adsorption on natural Arizona test dust (ATD) particles. Five different ATD size fractions, 0–3, 5–10, 10–20, 20–40, and 40–80 μm, are used, corresponding to the entire range of uplifted mineral particles in the atmosphere (
ISSN:2472-3452
2472-3452
DOI:10.1021/acsearthspacechem.7b00152