Large variations in iron input to an oligotrophic Baltic Sea estuary: impact on sedimentary phosphorus burial

Lenstra, Wytze K.; Egger, Matthias; van Helmond, Niels A. G. M.; Kritzberg, Emma; Conley, Daniel J.; Slomp, Caroline P.

doi:https://doi.org/10.5194/bg-15-6979-2018

Articles | Volume 15, issue 22

https://doi.org/10.5194/bg-15-6979-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/bg-15-6979-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 15, issue 22

Research article

|

21 Nov 2018

Research article |

| 21 Nov 2018

Large variations in iron input to an oligotrophic Baltic Sea estuary: impact on sedimentary phosphorus burial

Wytze K. Lenstra, Matthias Egger, Niels A. G. M. van Helmond, Emma Kritzberg, Daniel J. Conley, and Caroline P. Slomp

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Final revised paper (published on 21 Nov 2018)
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Preprint (discussion started on 06 Aug 2018)
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Interactive discussion

Status: closed

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

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RC1: 'Reviewer Comments on the manuscript', Anonymous Referee #1, 30 Aug 2018
- AC1: 'Response to reviewer #1', Wytze Lenstra, 05 Oct 2018
RC2: 'Review of Lenstra et al. 2018 - Variations in river input of iron impact sedimentary phosphorus burial in an oligotrophic Baltic Sea estuary', Anonymous Referee #2, 02 Sep 2018
- AC2: 'Response to Reviewer #2', Wytze Lenstra, 05 Oct 2018

Peer-review completion

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

ED: Publish subject to minor revisions (review by editor) (16 Oct 2018) by Clare Woulds

AR by Wytze Lenstra on behalf of the Authors (16 Oct 2018)

ED: Publish subject to minor revisions (review by editor) (24 Oct 2018) by Clare Woulds

AR by Wytze Lenstra on behalf of the Authors (24 Oct 2018) Manuscript

ED: Publish as is (06 Nov 2018) by Clare Woulds

AR by Wytze Lenstra on behalf of the Authors (07 Nov 2018) Manuscript

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Short summary

We show that burial rates of phosphorus (P) in an estuary in the northern Baltic Sea are very high. We demonstrate that at high sedimentation rates, P retention in the sediment is related to the formation of vivianite. With a reactive transport model, we assess the sensitivity of sedimentary vivianite formation. We suggest that enrichments of iron and P in the sediment are linked to periods of enhanced riverine input of Fe, which subsequently strongly enhances P burial in coastal sediments.