Technical note: Measurements and data analysis of sediment–water oxygen flux using a new dual-optode eddy covariance instrument

Huettel, Markus; Berg, Peter; Merikhi, Alireza

doi:https://doi.org/10.5194/bg-17-4459-2020

Articles | Volume 17, issue 17

https://doi.org/10.5194/bg-17-4459-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-17-4459-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 17, issue 17

Technical note

|

07 Sep 2020

Technical note |

| 07 Sep 2020

Technical note: Measurements and data analysis of sediment–water oxygen flux using a new dual-optode eddy covariance instrument

Markus Huettel, Peter Berg, and Alireza Merikhi

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Final revised paper (published on 07 Sep 2020)
Preprint (discussion started on 26 May 2020)

Interactive discussion

Status: closed

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

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RC1: 'referee review and comments for the authors', Clare Reimers, 02 Jun 2020
- AC1: 'Response to questions and comments of referee Clare Reimers', Markus Huettel, 26 Jun 2020
RC2: 'Review of Huettel et al.', Karl Attard, 08 Jun 2020
- AC2: 'Responses to the comments and questions of referee Karl Attard', Markus Huettel, 26 Jun 2020

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (15 Jul 2020) by Tyler Cyronak

AR by Markus Huettel on behalf of the Authors (16 Jul 2020) Author's response Manuscript

ED: Publish as is (29 Jul 2020) by Tyler Cyronak

AR by Markus Huettel on behalf of the Authors (30 Jul 2020) Author's response Manuscript

Short summary

Oxygen fluxes are a valued proxy for organic carbon production and mineralization at the seafloor. These fluxes can be measured non-invasively with the aquatic eddy covariance instrument, but the fast, fragile oxygen sensor it uses often causes questionable flux data. We developed a dual-O₂-optode instrument and data evaluation method that allow improved flux measurements. Deployments over carbonate sands in the shallow shelf demonstrate that the instrument can produce reliable oxygen flux data.