Articles | Volume 13, issue 13
Biogeosciences, 13, 3887–3900, 2016
https://doi.org/10.5194/bg-13-3887-2016
Biogeosciences, 13, 3887–3900, 2016
https://doi.org/10.5194/bg-13-3887-2016
Research article
06 Jul 2016
Research article | 06 Jul 2016

Potentially bioavailable iron delivery by iceberg-hosted sediments and atmospheric dust to the polar oceans

Robert Raiswell et al.

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Cited articles

Albani, S., Mahowald, N. M., Perry, A. T., Scanza, R. A., Zender, C. S., Heavens, N. G., Maggi, V., Kok, J. F., and Otto-Bliesner, B. L.; Improved dust representation in the Community Atmosphere Model, J. Adv. Model. Earth Syst., 6, 541–570, 2014.
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Short summary
Iron is an essential nutrient for plankton growth. One important source of iron is wind-blown dust. The polar oceans are remote from dust sources but melting icebergs supply sediment that contains iron which is potentially available to plankton. We show that iceberg sediments contain more potentially bioavailable iron than wind-blown dust. Iceberg sources will become increasingly important with climate change and increased plankton growth can remove more carbon dioxide from the atmosphere.
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