Coccolithophore fluxes in the open tropical North Atlantic: influence of thermocline depth, Amazon water, and Saharan dust

Guerreiro, Catarina V.; Baumann, Karl-Heinz; Brummer, Geert-Jan A.; Fischer, Gerhard; Korte, Laura F.; Merkel, Ute; Sá, Carolina; de Stigter, Henko; Stuut, Jan-Berend W.

doi:https://doi.org/10.5194/bg-14-4577-2017

Articles | Volume 14, issue 20

Biogeosciences, 14, 4577–4599, 2017

https://doi.org/10.5194/bg-14-4577-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Biogeosciences, 14, 4577–4599, 2017

https://doi.org/10.5194/bg-14-4577-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 14, issue 20

Research article 17 Oct 2017

Research article | 17 Oct 2017

Coccolithophore fluxes in the open tropical North Atlantic: influence of thermocline depth, Amazon water, and Saharan dust

Catarina V. Guerreiro et al.

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Final revised paper (published on 17 Oct 2017)
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Interactive discussion

Status: closed

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

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RC1: 'Review', Alex Poulton, 11 Jul 2017
- AC1: 'Reply to comments of referee #1 (Alex Poulton)', Catarina Guerreiro, 30 Aug 2017
RC2: 'Reviewer's comments and recommendations', Anonymous Referee #2, 17 Jul 2017
- AC2: 'Reply to comments from Referee #2 (Anonymous)', Catarina Guerreiro, 30 Aug 2017
RC3: 'Review', Anonymous Referee #3, 08 Aug 2017
- AC3: 'Reply to Comments from Referee #3 (Anonymous)', Catarina Guerreiro, 30 Aug 2017

Peer-review completion

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

ED: Publish subject to minor revisions (Editor review) (01 Sep 2017) by Emilio Marañón

AR by Catarina Guerreiro on behalf of the Authors (07 Sep 2017) Author's response Manuscript

ED: Publish subject to technical corrections (08 Sep 2017) by Emilio Marañón

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Short summary

Our study provides insights into the factors governing the spatio-temporal variability of coccolithophores in the equatorial North Atlantic and illustrates how this supposedly oligotrophic and stable open-ocean region actually reveals significant ecological variability. We provide evidence for Saharan dust and the Amazon River acting as fertilizers for phytoplankton and highlight the the importance of the thermocline depth for coccolithophore productivity in the lower photic zone.