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Shi, ZB, Woodhouse, MT, Carslaw, KS, Krom, MD, Mann, GW, Baker, AR 
ORCID: https://orcid.org/0000-0002-8365-8953, Savov, I, Fones, G, Brooks, B, Jickells, TD and Benning, LG
(2011)
Minor effect of physical size sorting on iron solubility of transported mineral dust.
Atmospheric Chemistry and Physics Discussions, 11 (5).
pp. 14309-14338.
ISSN 1680-7375
Abstract
Observations show that the fractional solubility of Fe (FS-Fe, ratio of dissolved to total Fe) in dust aerosol increases dramatically from ~0.1% in regions of high dust mass concentration to 80% in remote regions where concentrations are low. Here, we combined laboratory geochemical measurements with global aerosol model simulations to test the hypothesis that the increase in FS-Fe is due to physical size sorting during transport. We determined the FS-Fe and fractional solubility of Al (FS-Al) in size-fractionated dust generated from two representative soil samples collected from known Saharan dust source regions using a customized dust re-suspension and collection system. The results show that the FS-Fe is size-dependent and ranges from 0.1-0.3 % in the coarse size fractions (>1 µm) to ~0.2-0.8 % in the fine size fractions (
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Environmental Sciences |
| Depositing User: | Rosie Cullington |
| Date Deposited: | 06 Jun 2011 13:48 |
| Last Modified: | 15 Dec 2022 01:26 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/31847 |
| DOI: | 10.5194/acpd-11-14309-2011 |
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