Articles | Volume 19, issue 24
https://doi.org/10.5194/bg-19-5879-2022
https://doi.org/10.5194/bg-19-5879-2022
Research article
 | 
21 Dec 2022
Research article |  | 21 Dec 2022

Nitrogen isotopes reveal a particulate-matter-driven biogeochemical reactor in a temperate estuary

Kirstin Dähnke, Tina Sanders, Yoana Voynova, and Scott D. Wankel

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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-2022-123', Anonymous Referee #1, 28 Jun 2022
    • AC1: 'Reply on RC1', Kirstin Dähnke, 22 Jul 2022
  • RC2: 'Comment on bg-2022-123', Anonymous Referee #2, 06 Jul 2022
    • AC2: 'Reply on RC2', Kirstin Dähnke, 22 Jul 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload
ED: Reconsider after major revisions (08 Aug 2022) by Ji-Hyung Park
AR by Kirstin Dähnke on behalf of the Authors (06 Sep 2022)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (08 Sep 2022) by Ji-Hyung Park
RR by Anonymous Referee #2 (20 Sep 2022)
RR by Anonymous Referee #1 (23 Sep 2022)
ED: Reconsider after major revisions (26 Sep 2022) by Ji-Hyung Park
AR by Kirstin Dähnke on behalf of the Authors (28 Oct 2022)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (03 Nov 2022) by Ji-Hyung Park
RR by Anonymous Referee #2 (15 Nov 2022)
ED: Publish subject to technical corrections (17 Nov 2022) by Ji-Hyung Park
AR by Kirstin Dähnke on behalf of the Authors (24 Nov 2022)  Manuscript 
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Short summary
Nitrogen is an important macronutrient that fuels algal production in rivers and coastal regions. We investigated the production and removal of nitrogen-bearing compounds in the freshwater section of the tidal Elbe Estuary and found that particles in the water column are key for the production and removal of water column nitrate. Using a stable isotope approach, we pinpointed regions where additional removal of nitrate or input from sediments plays an important role in estuarine biogeochemistry.
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