Articles | Volume 16, issue 1
Atmos. Chem. Phys., 16, 85–99, 2016
https://doi.org/10.5194/acp-16-85-2016
Atmos. Chem. Phys., 16, 85–99, 2016
https://doi.org/10.5194/acp-16-85-2016

Research article 15 Jan 2016

Research article | 15 Jan 2016

Delivery of anthropogenic bioavailable iron from mineral dust and combustion aerosols to the ocean

A. Ito and Z. Shi

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Cited articles

Al-Abadleh, H. A.: Review of the bulk and surface chemistry of iron in atmospherically relevant systems containing humic-like substances (HULIS), RSC Adv., 5, 45785–45811, https://doi.org/10.1039/c5ra03132j, 2015.
Amram, K. and Ganor, J.: The combined effect of pH and temperature on smectite dissolution rate under acidic conditions, Geochim. Cosmochim. Ac., 69, 2535–2546, https://doi.org/10.1016/j.gca.2004.10.001, 2005.
Bibi, I., Singh, B., and Silvester, E.: Dissolution of illite in saline–acidic solutions at 25 °C, Geochim. Cosmochim. Ac., 75, 3237–3249, https://doi.org/10.1016/j.gca.2011.03.022, 2011.
Bibi, I., Singh, B., and Silvester, E.: Dissolution kinetics of soil clays in sulfuric acid solutions: Ionic strength and temperature effects, Appl. Geochem., 51, 170–183, https://doi.org/10.1016/j.apgeochem.2014.10.004, 2014.
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A new Fe dissolution scheme is developed and is applied to an atmospheric chemistry transport model to estimate anthropogenic soluble Fe deposition. Our improved model successfully captured an inverse relationship of Fe solubility and total Fe loading. Our model estimated the low end of Fe solubility compared to the previous studies. Our model results suggest that human activities contribute to about half of bioavailable Fe supply to significant portions of the oceans in the Northern Hemisphere.
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