Journal cover Journal topic
Biogeosciences An interactive open-access journal of the European Geosciences Union
Biogeosciences, 12, 1415-1430, 2015
https://doi.org/10.5194/bg-12-1415-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
05 Mar 2015
Use of Ra isotopes to deduce rapid transfer of sediment-derived inputs off Kerguelen
V. Sanial et al.
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Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
 
RC C6439: 'referee comment', Anonymous Referee #1, 03 Nov 2014 Printer-friendly Version 
SC C7423: 'Response Reviewer', V. Sanial, 17 Dec 2014 Printer-friendly Version 
 
RC C7062: 'Review of Sanial et al. 2014', Walter Geibert, 01 Dec 2014 Printer-friendly Version 
SC C7425: 'Response to W. Geibert', V. Sanial, 17 Dec 2014 Printer-friendly Version 
 
RC C7066: 'Comment on “Use of Ra isotopes to deduce rapid transfer of sediment-derived inputs off Kerguelen” by Sanial et al', Anonymous Referee #3, 02 Dec 2014 Printer-friendly Version 
SC C7432: 'Response Reviewer', V. Sanial, 17 Dec 2014 Printer-friendly Version 
 
EC C7476: 'Associate Editor Review of Responses to Reviewers', Thomas Trull, 19 Dec 2014 Printer-friendly Version 
AC C7729: 'Response to the editor', V. Sanial, 02 Jan 2015 Printer-friendly Version 
Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
AR by V. Sanial on behalf of the Authors (12 Jan 2015)  Author's response  Manuscript
ED: Publish subject to technical corrections (13 Jan 2015) by Thomas Trull  
AR by V. Sanial on behalf of the Authors (16 Jan 2015)  Author's response  Manuscript
CC BY 4.0
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Short summary
We investigated the origin and mechanisms of the natural iron fertilization that sustains a phytoplankton bloom downstream of the Kerguelen Islands. We used radium isotopes to trace the fate of shelf waters that may transport iron and other micronutrients towards offshore waters. We show that shelf waters are rapidly transferred offshore and may be transported across the polar front (PF). The PF may thus not be a strong physical barrier for chemical elements released by the shelf sediments.
We investigated the origin and mechanisms of the natural iron fertilization that sustains a...
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