Articles | Volume 18, issue 17
Biogeosciences, 18, 4965–4984, 2021
https://doi.org/10.5194/bg-18-4965-2021
Biogeosciences, 18, 4965–4984, 2021
https://doi.org/10.5194/bg-18-4965-2021

Research article 13 Sep 2021

Research article | 13 Sep 2021

Geochemical consequences of oxygen diffusion from the oceanic crust into overlying sediments and its significance for biogeochemical cycles based on sediments of the northeast Pacific

Gerard J. M. Versteegh et al.

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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-2021-112', Charles Wheat, 19 May 2021
    • AC1: 'Reply on RC1', Gerard J.M. Versteegh, 23 Jul 2021
  • RC2: 'Comment on bg-2021-112', Beth Orcutt, 21 May 2021
    • AC2: 'Reply on RC2', Gerard J.M. Versteegh, 23 Jul 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (27 Jul 2021) by Tina Treude
AR by Gerard J.M. Versteegh on behalf of the Authors (27 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (28 Jul 2021) by Tina Treude
AR by Gerard J.M. Versteegh on behalf of the Authors (29 Jul 2021)  Author's response    Manuscript
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Short summary
Oxygen penetrates sediments not only from the ocean bottom waters but also from the basement. The impact of the latter is poorly understood. We show that this basement oxygen has a clear impact on the nitrogen cycle, the redox state, and the distribution of manganese, nickel cobalt and organic matter in the sediments. This is important for (1) global biogeochemical cycles, (2) understanding sedimentary life and (3) the interpretation of the sediment record to reconstruct the past.
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