Articles | Volume 14, issue 5
Biogeosciences, 14, 1123–1152, 2017

Special issue: Progress in quantifying ocean biogeochemistry – in honour...

Biogeosciences, 14, 1123–1152, 2017

Research article 09 Mar 2017

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.

Data sets

Model output of manganese concentrations from a global ocean circulation model, link to files in NetCDF format Marco van Hulten

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.
Final-revised paper