Organic carbon densities and accumulation rates in surface sediments of the North Sea and Skagerrak

Diesing, Markus; Thorsnes, Terje; Bjarnadóttir, Lilja Rún

doi:https://doi.org/10.5194/bg-18-2139-2021

Articles | Volume 18, issue 6

https://doi.org/10.5194/bg-18-2139-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-18-2139-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 6

Research article

|

24 Mar 2021

Research article |

| 24 Mar 2021

Organic carbon densities and accumulation rates in surface sediments of the North Sea and Skagerrak

Markus Diesing, Terje Thorsnes, and Lilja Rún Bjarnadóttir

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Final revised paper (published on 24 Mar 2021)
Supplement to the final revised paper
Preprint (discussion started on 06 Oct 2020)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of bg-2020-352 (Diesing et al.)', Anonymous Referee #1, 26 Oct 2020
- AC1: 'Reply by the authors to RC1', Markus Diesing, 09 Dec 2020
RC2: 'Interactive Referee Comment on “Organic carbon in surface sediments of the North Sea and Skagerrak”', Anonymous Referee #2, 29 Oct 2020
- AC2: 'Reply by the authors to RC2', Markus Diesing, 09 Dec 2020
RC3: 'Review of "Organic carbin in surface sediments of the North Sea and Skagerrak" by Diesing et al.', Anonymous Referee #3, 11 Nov 2020
- AC3: 'Reply by the authors to RC3', Markus Diesing, 09 Dec 2020
SC1: 'Interactive comment on “Organic carbon in surface sediments of the North Sea and Skagerrak” by Markus Diesing et al.', Peter Mitchell, 18 Nov 2020
- AC4: 'Reply by the authors to SC1', Markus Diesing, 09 Dec 2020

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (15 Dec 2020) by Jack Middelburg

ED: Reconsider after major revisions (16 Dec 2020) by Jack Middelburg

AR by Markus Diesing on behalf of the Authors (20 Jan 2021) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (20 Jan 2021) by Jack Middelburg

RR by Anonymous Referee #2 (29 Jan 2021)

RR by Anonymous Referee #1 (12 Feb 2021)

ED: Publish subject to minor revisions (review by editor) (12 Feb 2021) by Jack Middelburg

AR by Markus Diesing on behalf of the Authors (18 Feb 2021) Author's response Author's tracked changes Manuscript

ED: Publish as is (18 Feb 2021) by Jack Middelburg

AR by Markus Diesing on behalf of the Authors (22 Feb 2021) Author's response Manuscript

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Short summary

The upper 10 cm of the seafloor of the North Sea and Skagerrak contain 231×10⁶ t of carbon in organic form. The Norwegian Trough, the deepest sedimentary basin in the studied area, stands out as a zone of strong organic carbon accumulation with rates on par with neighbouring fjords. Conversely, large parts of the North Sea are characterised by rapid organic carbon degradation and negligible accumulation. This dual character is likely typical for continental shelf sediments worldwide.