Articles | Volume 18, issue 24
https://doi.org/10.5194/bg-18-6479-2021
https://doi.org/10.5194/bg-18-6479-2021
Research article
 | 
17 Dec 2021
Research article |  | 17 Dec 2021

Seasonal flux patterns and carbon transport from low-oxygen eddies at the Cape Verde Ocean Observatory: lessons learned from a time series sediment trap study (2009–2016)

Gerhard Fischer, Oscar E. Romero, Johannes Karstensen, Karl-Heinz Baumann, Nasrollah Moradi, Morten Iversen, Götz Ruhland, Marco Klann, and Arne Körtzinger

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-114', Anonymous Referee #1, 30 Jun 2021
    • AC1: 'Reply on RC1', Gerhard Fischer, 02 Aug 2021
  • RC2: 'Comment on bg-2021-114', Anonymous Referee #2, 06 Jul 2021
    • AC2: 'Reply on RC2', Gerhard Fischer, 03 Aug 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (18 Aug 2021) by Markus Kienast
AR by Gerhard Fischer on behalf of the Authors (27 Aug 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (03 Sep 2021) by Markus Kienast
ED: Publish as is (29 Oct 2021) by Markus Kienast
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Short summary
Low-oxygen eddies in the eastern subtropical North Atlantic can form an oasis for phytoplankton growth. Here we report on particle flux dynamics at the oligotrophic Cape Verde Ocean Observatory. We observed consistent flux patterns during the passages of low-oxygen eddies. We found distinct flux peaks in late winter, clearly exceeding background fluxes. Our findings suggest that the low-oxygen eddies sequester higher organic carbon than expected for oligotrophic settings.
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