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Volume 15, issue 16
Biogeosciences, 15, 5061–5091, 2018
https://doi.org/10.5194/bg-15-5061-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 15, 5061–5091, 2018
https://doi.org/10.5194/bg-15-5061-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 27 Aug 2018

Research article | 27 Aug 2018

Mesoscale contribution to 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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Cited articles

Álvarez-Salgado, X. 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.
Amores, A., Melnichenko, O., and Maximenko, N.: Coherent mesoscale eddies in the North Atlantic subtropical gyre: 3-D structure and transport with application to the salinity maximum, J. Geophys. Res.-Oceans, 122, 23–41, https://doi.org/10.1002/2016JC012256, 2017.
ANT: Particulate organic carbon (POC), Tech. rep., available at: https://seabass.gsfc.nasa.gov/cruise/ant-xxiii-1 (last access 2017), ANT-XXIII-1, SIO Stramsky, 2005.
Argo: Argo float data and metadata, Tech. rep., Global Data Assembly Centre (Argo GDAC) SEANOE, https://doi.org/10.17882/42182, 2000.
Arístegui, J., Tett, P., Hernández-Guerra, A., Basterretxea, G., Montero, M., Wild, K., Sangrà, P., Hernández-Leon, S., Canton, M., García-Braun, J., Pacheco, M., and Barton, E.: The influence of island-generated eddies on chlorophyll distribution: a study of mesoscale variation around Gran Canaria, Deep-Sea Res. Pt. I, 44, 71–96, https://doi.org/10.1016/S0967-0637(96)00093-3, 1997.
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We find that the ocean's flow on scales of a few tens to a few hundred km has a central role in the lateral redistribution of the organic carbon from the coast to the open ocean. Narrow coastal filaments drive the offshore flux of organic carbon and strongly enhance its availability up to 1000 km from the coast. Eddies extend the flux up to 2000 km offshore containing 30 % of the organic matter in the open waters. Resolving these scales is essential to capture the coastal/open ocean coupling.
We find that the ocean's flow on scales of a few tens to a few hundred km has a central role in...
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