Articles | Volume 18, issue 8
Biogeosciences, 18, 2679–2709, 2021
https://doi.org/10.5194/bg-18-2679-2021
Biogeosciences, 18, 2679–2709, 2021
https://doi.org/10.5194/bg-18-2679-2021

Research article 30 Apr 2021

Research article | 30 Apr 2021

Upwelling-induced trace gas dynamics in the Baltic Sea inferred from 8 years of autonomous measurements on a ship of opportunity

Erik Jacobs et al.

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Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (14 Dec 2020) by Carolin Löscher
AR by Erik Jacobs on behalf of the Authors (18 Jan 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (25 Jan 2021) by Carolin Löscher
RR by Anonymous Referee #1 (06 Feb 2021)
ED: Publish subject to minor revisions (review by editor) (14 Feb 2021) by Carolin Löscher
AR by Erik Jacobs on behalf of the Authors (28 Feb 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (23 Mar 2021) by Carolin Löscher
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Short summary
We use a unique data set of 8 years of continuous carbon dioxide (CO2) and methane (CH4) surface water measurements from a commercial ferry to study upwelling in the Baltic Sea. Its seasonality and regional and interannual variability are examined. Strong upwelling events drastically increase local surface CO2 and CH4 levels and are mostly detected in late summer after long periods of impaired mixing. We introduce an extrapolation method to estimate regional upwelling-induced trace gas fluxes.
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