Spring blooms in the Baltic Sea have weakened but lengthened from 2000 to 2014

Groetsch, Philipp M. M.; Simis, Stefan G. H.; Eleveld, Marieke A.; Peters, Steef W. M.

doi:https://doi.org/10.5194/bg-13-4959-2016

Articles | Volume 13, issue 17

https://doi.org/10.5194/bg-13-4959-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-13-4959-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 17

Research article

|

08 Sep 2016

Research article |

| 08 Sep 2016

Spring blooms in the Baltic Sea have weakened but lengthened from 2000 to 2014

Philipp M. M. Groetsch, Stefan G. H. Simis, Marieke A. Eleveld, and Steef W. M. Peters

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Final revised paper (published on 08 Sep 2016)
Supplement to the final revised paper
Preprint (discussion started on 18 Jan 2016)
Supplement to the preprint

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review: Groetsch et al.: Spring Blooms in the Baltic Sea have weakened but lengthened from 2000 to 2014', Anonymous Referee #1, 05 Feb 2016
- AC1: 'Response to Referee #1's Comments', Philipp Groetsch, 18 Apr 2016
RC2: 'Comment on "Spring Blooms in the Baltic Sea have weakened but lengthened from 2000 to 2014" by P. M. M. Groetsch et al.', Anonymous Referee #2, 15 Feb 2016
- AC2: 'Response to Referee #2's Comments', Philipp Groetsch, 18 Apr 2016

Peer-review completion

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

ED: Reconsider after major revisions (26 Apr 2016) by Katja Fennel

AR by Philipp Groetsch on behalf of the Authors (04 Jun 2016) Author's response Manuscript

ED: Referee Nomination & Report Request started (10 Jun 2016) by Katja Fennel

RR by Anonymous Referee #2 (25 Jun 2016)

ED: Publish subject to minor revisions (Editor review) (27 Jun 2016) by Katja Fennel

AR by Philipp Groetsch on behalf of the Authors (29 Jun 2016) Author's response Manuscript

ED: Publish as is (04 Jul 2016) by Katja Fennel

AR by Philipp Groetsch on behalf of the Authors (23 Jul 2016)

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Short summary

Phytoplankton spring bloom phenology was derived from a 15-year time series (2000–2014) of ship-of-opportunity chlorophyll a fluorescence observations in the Baltic Sea. Bloom peak concentrations have declined over the study period, while bloom duration has increased. It is concluded that nutrient reduction efforts led to decreasing bloom intensity, while changes in Baltic Sea environmental conditions associated with global change corresponded to a lengthening spring bloom period.