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Volume 14, issue 9
Biogeosciences, 14, 2321–2341, 2017
https://doi.org/10.5194/bg-14-2321-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

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

Biogeosciences, 14, 2321–2341, 2017
https://doi.org/10.5194/bg-14-2321-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 05 May 2017

Research article | 05 May 2017

Variable reactivity of particulate organic matter in a global ocean biogeochemical model

Olivier Aumont et al.

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Cited articles

Allen, J. I., Somerfield, P. J., and Gilbert, F. J.: Quantifying uncertainty in high-resolution coupled hydrodynamic-ecosystem models, J. Marine Syst., 64, 3–14, 2007.
Amon, R. M. W. and Benner, R.: Rapid cycling of high-molecular-weight dissolved organic matter in the ocean, Nature, 369, 549–552, https://doi.org/10.1038/369549a0, 1994.
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Aris, R. and Gavalas, G. R.: On the Theory of Reactions in Continuous Mixtures, Philos. T. R. Soc. Lond. A, 260, 351–393, https://doi.org/10.1098/rsta.1966.0054, 1966.
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The marine biological carbon pump is dominated by the vertical transfer of particulate organic carbon (POC) from the surface ocean to its interior. In this study, we explore the impacts of a variable composition of this organic matter using a global ocean biogeochemical model. We show that accounting for a variable lability of POC increases POC concentrations by up to 2 orders of magnitude in the ocean's interior. Furthermore, the amount of carbon that reaches the sediments is twice as large.
The marine biological carbon pump is dominated by the vertical transfer of particulate organic...
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