The Biological Carbon Pump in the North Atlantic

Date

2014-12-01

Author

Sanders, Richard
Henson, Stephanie A.
Koski, Marja
De la Rocha, Christina L.
Painter, Stuart C.
Poulton, Alex J.
Riley, Jennifer
Salihoğlu, Barış
Visser, Andre
Yool, Andrew
Bellerby, Richard
Martin, Adrian P.

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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Mediated principally by the sinking of organic rich particles from the upper ocean, the Biological Carbon Pump (BCP) is a significant component of the global carbon cycle. It transfers roughly 11 Gt C yr(-1) into the ocean's interior and maintains atmospheric carbon dioxide at significantly lower levels than would be the case if it did not exist. More specifically, export by the BCP in the North Atlantic is similar to 0.55-1.94 Gt C yr(-1). A rich set of observations suggests that a complex set of processes drives this export. However, significant uncertainties exist regarding the BCP in the North Atlantic, including both the magnitude of the downward flux and the ecological, chemical and physical processes by which it is sustained and controlled. Our lack of detailed mechanistic understanding has also hindered modelling attempts to quantify and predict changes to the BCP. In this paper, we assess current knowledge concerning the BCP in the North Atlantic in order to identify priorities for future research, as well as suggesting how they might be addressed. (C) 2014 Published by Elsevier Ltd.

Subject Keywords

Transparent exopolymer particles, Particulate organic-matter, Copepods calanus-helgolandicus, Abandoned larvacean houses, Zooplankton fecal pellets, Marine snow, Time-series, Egg-production, Sinking velocity, Settling velocities

URI

https://hdl.handle.net/11511/31027

Journal

PROGRESS IN OCEANOGRAPHY

DOI

https://doi.org/10.1016/j.pocean.2014.05.005

Collections

Graduate School of Marine Sciences, Article

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Citation Formats

R. Sanders et al., “The Biological Carbon Pump in the North Atlantic,” PROGRESS IN OCEANOGRAPHY, pp. 200–218, 2014, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/31027.