Long-term trends at the Boknis Eck time series station (Baltic Sea), 1957–2013: does climate change counteract the decline in eutrophication?

Lennartz, S. T.; Lehmann, A.; Herrford, J.; Malien, F.; Hansen, H.-P.; Biester, H.; Bange, H. W.

doi:https://doi.org/10.5194/bg-11-6323-2014

Articles | Volume 11, issue 22

https://doi.org/10.5194/bg-11-6323-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Boknis Eck Time Series Station (SW Baltic Sea)

https://doi.org/10.5194/bg-11-6323-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 11, issue 22

Research article

| Highlight paper

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24 Nov 2014

Research article | Highlight paper |

| 24 Nov 2014

Long-term trends at the Boknis Eck time series station (Baltic Sea), 1957–2013: does climate change counteract the decline in eutrophication?

S. T. Lennartz, A. Lehmann, J. Herrford, F. Malien, H.-P. Hansen, H. Biester, and H. W. Bange

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Final revised paper (published on 24 Nov 2014)
Preprint (discussion started on 27 May 2014)

Interactive discussion

Status: closed

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

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- Supplement

RC C2225: 'Review of ‘Long-term trends at the time series station Boknis Eck (Baltic sea) 1957-2013: does climate change counteract the decline in euthrophication?’ by Lennartz et al.', Anonymous Referee #1, 07 Jun 2014
- AC C5456: 'Reply to Referee Comments 1', Sinikka Lennartz, 25 Sep 2014
RC C4455: 'BG', Victor Smetacek, 18 Aug 2014
- AC C5457: 'Reply to Referee Comments 2', Sinikka Lennartz, 25 Sep 2014

Peer-review completion

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

AR by Sinikka Lennartz on behalf of the Authors (30 Sep 2014)

ED: Publish subject to technical corrections (18 Oct 2014) by Tina Treude

AR by Sinikka Lennartz on behalf of the Authors (21 Oct 2014) Manuscript

Short summary

A time series of nine oceanic parameters from the coastal time series station Boknis Eck (BE, southwestern Baltic Sea) in the period of 1957-2013 is analysed with respect to seasonal cycles and long-term trends. Most striking was a paradoxical decreasing trend in oxygen with a simultaneous decline in eutrophication. Possible reasons for this paradox, e.g. processes related to warming temperatures such as increased decomposition of organic matter or altered ventilation, are discussed.