Nitrogen surface water retention in the Baltic Sea drainage basin

Stålnacke, P.; Pengerud, A.; Vassiljev, A.; Smedberg, E.; Mörth, C.-M.; Hägg, H. E.; Humborg, C.; Andersen, H. E.

doi:https://doi.org/10.5194/hess-19-981-2015

Articles | Volume 19, issue 2

https://doi.org/10.5194/hess-19-981-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/hess-19-981-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 19, issue 2

Research article

|

23 Feb 2015

Research article |

| 23 Feb 2015

Nitrogen surface water retention in the Baltic Sea drainage basin

P. Stålnacke, A. Pengerud, A. Vassiljev, E. Smedberg, C.-M. Mörth, H. E. Hägg, C. Humborg, and H. E. Andersen

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Final revised paper (published on 23 Feb 2015)
Preprint (discussion started on 26 Sep 2014)

Interactive discussion

Status: closed

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

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- Supplement

RC C4644: 'Comments to the article 'Nitrogen surface water retention...'', Anonymous Referee #1, 28 Oct 2014
- AC C6117: 'Authors reply to reviewer #1', Per Stålnacke, 19 Jan 2015
RC C5034: 'Referee2 Comments', Anonymous Referee #2, 12 Nov 2014
- AC C6118: 'Authors comments to reviewer #2', Per Stålnacke, 19 Jan 2015

Peer-review completion

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

ED: Publish as is (20 Jan 2015) by Alison D. Reeves

AR by Per Stålnacke on behalf of the Authors (02 Feb 2015) Author's response Manuscript

Short summary

In this study, we used the MESAW statistical model to estimate the surface water N retention. Such large-scale estimates are lacking for the Baltic Sea and there are only a few studies of this globally. Our results show that around 380 000t of N are annually retained in surface waters draining to the Baltic Sea. The total annual riverine load from the 117 basins to the Baltic Sea was estimated at 570 000t of N, yielding a total surface water N retention of around 40%.