Articles | Volume 13, issue 23
Biogeosciences, 13, 6419–6440, 2016
https://doi.org/10.5194/bg-13-6419-2016
Biogeosciences, 13, 6419–6440, 2016
https://doi.org/10.5194/bg-13-6419-2016
Research article
30 Nov 2016
Research article | 30 Nov 2016

What drives the spatial variability of primary productivity and matter fluxes in the north-west African upwelling system? A modelling approach

Pierre-Amaël Auger et al.

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Short summary
A box modeling approach reveals that horizontal currents drive the spatial distribution of phytoplankton biomass and primary production in the north-west African upwelling system. Alongshore (cross-shore) currents limit (enhance) cross-shore exchanges north (south) of Cape Blanc. Off Cape Blanc, a meridional convergence makes ambiguous the response of coastal nutrient upwelling to wind forcings, and high production is based upon nutrients and remineralized matter injected by horizontal currents.
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