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The global atmospheric cycle of Fe is simulated accounting for natural and combustion sources, proton- and organic ligand-promoted Fe dissolution from dust aerosol and changes in anthropogenic emissions, and thus in atmospheric acidity. Simulations show that Fe dissolution may have increased in the last 150 years and is expected to decrease due to air pollution regulations. Reductions in dissolved-Fe deposition can further limit the primary productivity over high-nutrient-low-chlorophyll water.
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Articles | Volume 12, issue 13
Biogeosciences, 12, 3973–3992, 2015
https://doi.org/10.5194/bg-12-3973-2015
Biogeosciences, 12, 3973–3992, 2015
https://doi.org/10.5194/bg-12-3973-2015

Research article 02 Jul 2015

Research article | 02 Jul 2015

Changes in dissolved iron deposition to the oceans driven by human activity: a 3-D global modelling study

S. Myriokefalitakis et al.

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Cited articles

Baker, A. R., Adams, C., Bell, T. G., Jickells, T. D., and Ganzeveld, L.: Estimation of atmospheric nutrient inputs to the Atlantic Ocean from 50° N to 50° S based on large-scale field sampling: Iron and other dust-associated elements, Global Biogeochem. Cy., 27, 755–767, 2013.
Bonneville, S., Vancappellen, P., and Behrends, T.: Microbial reduction of iron(III) oxyhydroxides: effects of mineral solubility and availability, Chem. Geol., 212, 255–268, 2004.
Boyd, P. W., Strzepek R., Takeda S.,Wong, C. S., and McKay, R. M.: The evolution and termination of an iron-induced mesoscale bloom in the northeast subarctic Pacific, Limnol. Oceanogr., 50, 1872–1886, 2005.
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Short summary
The global atmospheric cycle of Fe is simulated accounting for natural and combustion sources, proton- and organic ligand-promoted Fe dissolution from dust aerosol and changes in anthropogenic emissions, and thus in atmospheric acidity. Simulations show that Fe dissolution may have increased in the last 150 years and is expected to decrease due to air pollution regulations. Reductions in dissolved-Fe deposition can further limit the primary productivity over high-nutrient-low-chlorophyll water.
Citation
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Final-revised paper
Preprint