Effects of the 2014 major Baltic inflow on methane and nitrous oxide dynamics in the water column of the central Baltic Sea

Myllykangas, Jukka-Pekka; Jilbert, Tom; Jakobs, Gunnar; Rehder, Gregor; Werner, Jan; Hietanen, Susanna

doi:https://doi.org/10.5194/esd-8-817-2017

Articles | Volume 8, issue 3

https://doi.org/10.5194/esd-8-817-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Multiple drivers for Earth system changes in the Baltic Sea...

https://doi.org/10.5194/esd-8-817-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 8, issue 3

Research article

|

14 Sep 2017

Research article |

| 14 Sep 2017

Effects of the 2014 major Baltic inflow on methane and nitrous oxide dynamics in the water column of the central Baltic Sea

Jukka-Pekka Myllykangas, Tom Jilbert, Gunnar Jakobs, Gregor Rehder, Jan Werner, and Susanna Hietanen

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Final revised paper (published on 14 Sep 2017)
Supplement to the final revised paper
Preprint (discussion started on 19 Apr 2017)
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Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Myllykangas et al. (2017)', Anonymous Referee #1, 22 May 2017
- AC1: 'Answer to referee #1', Jukka-Pekka Myllykangas, 22 Jun 2017
RC2: 'Review: “Effects of the 2014 Major Inflow on methane and nitrous oxide dynamics in the water column of the Central Baltic Sea” by J.-P. Myllykangas et al., 2017', Anonymous Referee #2, 29 May 2017
- AC2: 'Answer to referee #2', Jukka-Pekka Myllykangas, 22 Jun 2017

Peer-review completion

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

ED: Publish subject to minor revisions (review by Editor) (08 Jul 2017) by Andrey Gritsun

AR by Jukka-Pekka Myllykangas on behalf of the Authors (17 Jul 2017) Author's response Manuscript

ED: Publish subject to technical corrections (01 Aug 2017) by Andrey Gritsun

AR by Jukka-Pekka Myllykangas on behalf of the Authors (09 Aug 2017) Author's response Manuscript

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Short summary

The deep waters of the Baltic Sea host an expanding dead zone, where low-oxygen conditions favour the natural production of two strong greenhouse gases, methane and nitrous oxide. Oxygen is introduced into the deeps only during rare salt pulses. We studied the effects of a recent salt pulse on Baltic greenhouse gas production. We found that where oxygen was introduced, methane was largely removed, while nitrous oxide production increased, indicating strong effects on greenhouse gas dynamics.