Dissolved iron is mysteriously pervasive in deep ocean hydrothermal plumes. An analysis of gas, metals and particles from a 4,000 km plume transect suggests that dissolved iron is maintained by rapid and reversible exchanges with sinking particles.
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Homoky, W. Deep ocean iron balance. Nature Geosci 10, 162–163 (2017). https://doi.org/10.1038/ngeo2908
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DOI: https://doi.org/10.1038/ngeo2908
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