Spatial variations in sedimentary N-transformation rates in the North Sea (German Bight)

Bratek, Alexander; van
Beusekom, Justus E. E.; Neumann, Andreas; Sanders, Tina; Friedrich, Jana; Emeis, Kay-Christian; Dähnke, Kirstin

doi:https://doi.org/10.5194/bg-17-2839-2020

Articles | Volume 17, issue 10

https://doi.org/10.5194/bg-17-2839-2020

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

https://doi.org/10.5194/bg-17-2839-2020

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

Articles | Volume 17, issue 10

Research article

|

28 May 2020

Research article |

| 28 May 2020

Spatial variations in sedimentary N-transformation rates in the North Sea (German Bight)

Alexander Bratek, Justus E. E. van Beusekom, Andreas Neumann, Tina Sanders, Jana Friedrich, Kay-Christian Emeis, and Kirstin Dähnke

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Final revised paper (published on 28 May 2020)
Supplement to the final revised paper
Preprint (discussion started on 07 Aug 2019)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Spatial variations in sedimentary N-transformation rates in the North Sea (German Bight) - Ref Comment', Anonymous Referee #1, 28 Aug 2019
- AC1: 'Reply to the Review of the Referee #1', Alexander Bratek, 15 Nov 2019
RC2: 'Interactive comment on “Spatial variations in sedimentary N-transformation rates in the North Sea (German Bight)” by Alexander Bratek et al.', Anonymous Referee #2, 11 Oct 2019
- AC2: 'Reply to the Review of the Referee #2', Alexander Bratek, 15 Nov 2019

Peer-review completion

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

ED: Reconsider after major revisions (25 Nov 2019) by Perran Cook

AR by Alexander Bratek on behalf of the Authors (28 Jan 2020) Author's response Manuscript

ED: Reconsider after major revisions (30 Jan 2020) by Perran Cook

AR by Alexander Bratek on behalf of the Authors (20 Feb 2020) Manuscript

ED: Referee Nomination & Report Request started (02 Mar 2020) by Perran Cook

RR by Anonymous Referee #1 (19 Mar 2020)

ED: Publish subject to technical corrections (07 Apr 2020) by Perran Cook

AR by Alexander Bratek on behalf of the Authors (14 Apr 2020) Author's response Manuscript

Short summary

The following paper highlights the importance of benthic N-transformation rates in different sediment types in the southern North Sea as a source of fixed nitrogen for primary producers and also as a sink of fixed nitrogen. Sedimentary fluxes of dissolved inorganic nitrogen support ∼7 to 59 % of the average annual primary production. Semi-permeable and permeable sediments contribute ∼68 % of the total benthic N₂ production rates, counteracting eutrophication in the southern North Sea.