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The requested paper has a corresponding corrigendum published. Please read the corrigendum first before downloading the article.

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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.
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Articles | Volume 14, issue 20
Biogeosciences, 14, 4577–4599, 2017
https://doi.org/10.5194/bg-14-4577-2017
Biogeosciences, 14, 4577–4599, 2017
https://doi.org/10.5194/bg-14-4577-2017

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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Cited articles

Andruleit, H.: A filtration technique for quantitative studies of coccoliths, Micropaleontology, 42, 403–406, 1996.
Armstrong, R. A., Lee, C., Hedges, J. I., Honjo, S., and Wakeham, S. G.: A new, mechanistic model of organic carbon fluxes in the ocean based on the quantitative association of POC with ballast minerals, Deep-Sea Res. Pt. II, 49, 219–236, 2002.
Atlas, R., Hoffman, R. N., Ardizzone, J., Leidner, S. M., Jusem, J. C., Smith, D. K., and Gombos, D.: A cross-calibrated, multiplatform ocean surface wind velocity product for meteorological and oceanographic applications, B. Am. Meteorol. Soc., 92, 157–174, 2011.
Baker, A. R., Jickells, T. D., Biswas, K. F., Weston, K., and French, M.: Nutrients in atmospheric aerosol particles along the Atlantic Meridional Transect, Deep-Sea Res. Pt. II, 53, 1706–1719, 2006.
Basha, G., Kishore, P., Venkat Ratnamc, M., Ouarda, T. B. M. J., Velicogna, I., and Sutterley, T.: Vertical and latitudinal variation of the intertropical convergence zone derived using GPS radio occultation measurements, Remote Sens. Environ., 163, 262–269, 2015.
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The requested paper has a corresponding corrigendum published. Please read the corrigendum first before downloading the article.

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.
Citation
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Final-revised paper
Preprint