Biogeosciences
Biogeosciences
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Articles | Volume 23, issue 14
Articles | Volume 23, issue 14
https://doi.org/10.5194/bg-23-5133-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-5133-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 14
Research article
 | 
24 Jul 2026
Research article |  | 24 Jul 2026

Seasonal upwelling–dust controls on export production in the Canary Current System revealed by Lagrangian particle tracking

Catarina V. Guerreiro, Bror F. Jonsson, Peter Land, Javier Arístegui, Jan-Berend Stuut, Afonso Ferreira, Gavin H. Tilstone, Vanda Brotas, and Steve B. Groom

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Latest update: 27 Sep 2026
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Short summary
This study examines how winds, ocean currents, and Saharan dust influence the transfer of carbon-rich material from surface waters to the deep open ocean off NW Africa. By tracking seawater pathways and sinking particles throughout the year, the research shows that winter-spring upwelling drives offshore export, while summer dust deposition contributes through ballasting and episodic fertilisation. This study improves our understanding of the drivers controlling open ocean export production.
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