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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 13
Biogeosciences, 14, 3337-3369, 2017
https://doi.org/10.5194/bg-14-3337-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 14, 3337-3369, 2017
https://doi.org/10.5194/bg-14-3337-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 13 Jul 2017

Research article | 13 Jul 2017

On the long-range offshore transport of organic carbon from the Canary Upwelling System to the open North Atlantic

Elisa Lovecchio et al.
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Revised manuscript accepted for BG
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Cited articles  
Alonso-González, I. J., Arístegui, J., Vilas, J. C., and Hernández-Guerra, A.: Lateral POC transport and consumption in surface and deep waters of the Canary Current region: a box model, Global Biogeochem. Cy., 23, GB2007, https://doi.org/10.1029/2008GB003185, 2009.
Alonso-González, I. J., Arístegui, J., Lee, C., Sanchez-Vidal, A., Calafat, A., Fabrés, J., Sangrà, P., Masquá, P., and Hernández-Guerra, A.: Role of slowly settling particles in the ocean carbon cycle, Geophys. Res. Lett., 37, L13608, https://doi.org/10.1029/2010GL043827, 2010.
Álvarez-Salgado, X. A. and Arístegui, J.: Organic matter dynamics in the Canary Current, in: Oeanographic and biological features in the Canary Current Large Marine Ecosystem, edited by: Váldes, L. and Déniz-González, I., chap. 4.3, 115–383, IOC-UNESCO, Technical Series 115, 2015.
Álvarez-Salgado, X. A., Arístegui, J., Barton, E. D., and Hansell, D. A.: Contribution of upwelling filaments to offshore carbon export in the subtropical Northeast Atlantic Ocean, Limnol. Oceanogr., 52, 1287–1292, https://doi.org/10.4319/lo.2007.52.3.1287, 2007.
ANT: Particulate organic carbon (POC), Tech. rep., available at: https://seabass.gsfc.nasa.gov/cruise/ant-xxiii-1 (last access: March 2017), ANT-XXIII-1, SIO Stramsky, 2005.
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We find that a big portion of the phytoplankton, zooplankton, and detrital organic matter produced near the northern African coast is laterally transported towards the open North Atlantic. This offshore flux sustains a relevant part of the biological activity in the open sea and reaches as far as the middle of the North Atlantic. Our results, obtained with a state-of-the-art model, highlight the fundamental role of the narrow but productive coastal ocean in sustaining global marine life.
We find that a big portion of the phytoplankton, zooplankton, and detrital organic matter...
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