Articles | Volume 17, issue 9
https://doi.org/10.5194/bg-17-2453-2020
https://doi.org/10.5194/bg-17-2453-2020
Research article
 | 
07 May 2020
Research article |  | 07 May 2020

Senescence as the main driver of iodide release from a diverse range of marine phytoplankton

Helmke Hepach, Claire Hughes, Karen Hogg, Susannah Collings, and Rosie Chance

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Cited articles

Amachi, S.: Microbial contribution to global iodine cycling: Volatilization, accumulation, reduction, oxidation, and sorption of iodine, Microbes Environ., 23, 269–276, https://doi.org/10.1264/jsme2.ME08548, 2008. 
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Berges, J. A., Franklin, D. J., and Harrison, P. J.: Evolution of an artificial seawater medium: Improvements in enriched seawater, artificial water over the last two decades, J. Phycol., 37, 1138–1145, https://doi.org/10.1046/j.1529-8817.2001.01052.x, 2001. 
Bichsel, Y. and von Gunten, U.: Oxidation of Iodide and Hypoiodous Acid in the Disinfection of Natural Waters, Environ. Sci. Technol., 33, 4040–4045, https://doi.org/10.1021/ess990336c, 1999. 
Blanco-Ameijeiras, S., Lebrato, M., Stoll, H. M., Iglesias-Rodriguez, D., Muller, M. N., Mendez-Vicente, A., and Oschlies, A.: Phenotypic variability in the coccolithophore emiliania huxleyi, PLoS One, 11, 1–17, https://doi.org/10.1371/journal.pone.0157697, 2016. 
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Short summary
Tropospheric iodine takes part in numerous atmospheric chemical cycles, including tropospheric ozone destruction and aerosol formation. Due to its significance for atmospheric processes, it is crucial to constrain its sources and sinks. This paper aims at investigating and understanding features of biogenic iodate-to-iodide reduction in microalgal monocultures. We find that phytoplankton senescence may play a crucial role in the release of iodide to the marine environment.
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