Articles | Volume 13, issue 20
Biogeosciences, 13, 5697–5717, 2016
https://doi.org/10.5194/bg-13-5697-2016
Biogeosciences, 13, 5697–5717, 2016
https://doi.org/10.5194/bg-13-5697-2016

Research article 17 Oct 2016

Research article | 17 Oct 2016

A dissolved cobalt plume in the oxygen minimum zone of the eastern tropical South Pacific

Nicholas J. Hawco et al.

Data sets

Dataset: Cobalt Total and Labile Dissolved, Biological and Chemical Oceanography Data Management Office (BCODMO), Dataset version: 1 July 2016 M. A. Saito http://www.bco-dmo.org/dataset/642974

Dataset: Particulate Elements Go-Flo Bottle, Biological and Chemical Oceanography Data Management Office (BCO-DMO), Dataset version: 17 May 2016 R. M. Sherrell and B. S. Twining http://www.bco-dmo.org/dataset/639847

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Short summary
Cobalt is a scarce nutrient required by phytoplankton. We report more than 800 measurements of dissolved cobalt in the South Pacific Ocean, which show high cobalt concentrations in anoxic subsurface waters offshore of Peru. Coastal cobalt sources may be stronger under low oxygen and could fluctuate as climate change is expected to alter the extent of these low-oxygen regions.
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