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

Auger, Pierre-Amaël; Gorgues, Thomas; Machu, Eric; Aumont, Olivier; Brehmer, Patrice

doi:https://doi.org/10.5194/bg-13-6419-2016

Articles | Volume 13, issue 23

https://doi.org/10.5194/bg-13-6419-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-13-6419-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 23

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, Thomas Gorgues, Eric Machu, Olivier Aumont, and Patrice Brehmer

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Final revised paper (published on 30 Nov 2016)
Preprint (discussion started on 04 May 2016)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'Referee comments on Auger et al.', Anonymous Referee #1, 07 Jun 2016
- AC1: 'Responses to referee #1', Pierre-Amaël Auger, 30 Sep 2016
RC2: 'Referee \#2, Itzel Ruvalcaba Baroni', Itzel Ruvalcaba Baroni, 17 Aug 2016
- AC2: 'Responses to referee "2', Pierre-Amaël Auger, 30 Sep 2016
RC3: 'Review of bg-2016-156', Anonymous Referee #3, 30 Aug 2016
- AC3: 'Responses to referee #3', Pierre-Amaël Auger, 30 Sep 2016

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (Editor review) (05 Oct 2016) by Caroline P. Slomp

AR by Pierre-Amaël Auger on behalf of the Authors (19 Oct 2016) Author's response Manuscript

ED: Publish as is (02 Nov 2016) by Caroline P. Slomp

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.