Latitudinal and temporal distributions of diatom populations in the pelagic waters of the Subantarctic and Polar Frontal zones of the Southern Ocean and their role in the biological pump

Rigual-Hernández, A. S.; Trull, T. W.; Bray, S. G.; Cortina, A.; Armand, L. K.

doi:https://doi.org/10.5194/bg-12-5309-2015

Articles | Volume 12, issue 18

https://doi.org/10.5194/bg-12-5309-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-12-5309-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 18

Research article

|

17 Sep 2015

Research article |

| 17 Sep 2015

Latitudinal and temporal distributions of diatom populations in the pelagic waters of the Subantarctic and Polar Frontal zones of the Southern Ocean and their role in the biological pump

A. S. Rigual-Hernández, T. W. Trull, S. G. Bray, A. Cortina, and L. K. Armand

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Final revised paper (published on 17 Sep 2015)
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Preprint (discussion started on 11 Jun 2015)

Interactive discussion

Status: closed

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

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RC C3172: 'Review of bg-2015-219 - Ritual-Hernandez et al.', Oscar E. Romero, 26 Jun 2015
- AC C4744: 'Answer to reviewer #1. Rigual-Hernández et al.', Andres Rigual-Hernandez, 27 Aug 2015
RC C4043: 'Review of Rigual-Hernandez et al 'latitudinal and temporal distributions of diatom populations.."', Anonymous Referee #2, 03 Aug 2015
- AC C4749: 'Answer to reviewer #2. Rigual-Hernández et al.', Andres Rigual-Hernandez, 27 Aug 2015

Peer-review completion

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

ED: Publish as is (30 Aug 2015) by Emilio Marañón

AR by Andres Rigual-Hernandez on behalf of the Authors (01 Sep 2015) Author's response Manuscript

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Short summary

Diatom and major components of the flux collected by two sediment traps in subantarctic and polar frontal zones were studied. Despite significant differences in the composition and magnitude of the flux, POC flux was similar between sites. The development of a group of bloom-forming diatoms during summer led to the formation of aggregates and enhanced POC export. Our results suggest that high biogenic silica accumulation rates should be interpreted as a proxy for iron-limited diatom assemblages.