Journal cover Journal topic
Biogeosciences An interactive open-access journal of the European Geosciences Union
Biogeosciences, 14, 1123-1152, 2017
http://www.biogeosciences.net/14/1123/2017/
doi:10.5194/bg-14-1123-2017
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
09 Mar 2017
Manganese in the west Atlantic Ocean in the context of the first global ocean circulation model of manganese
Marco van Hulten et al.

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Short summary
We ran a global ocean model to understand manganese (Mn), a biologically essential element. Our model shows that (i) in the deep ocean, dissolved [Mn] is mostly homogeneous ~0.10—0.15 nM. The model reproduces this with a threshold on MnO2 of 25 pM, suggesting a minimal particle concentration is needed before aggregation and removal become efficient. (ii) The observed distinct hydrothermal signals are produced by assuming both a strong source and a strong removal of Mn near hydrothermal vents.
We ran a global ocean model to understand manganese (Mn), a biologically essential element. Our...
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