Articles | Volume 16, issue 2
https://doi.org/10.5194/bg-16-437-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-16-437-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
25 Jan 2019
Research article |
| 25 Jan 2019
| 25 Jan 2019
Sedimentary alkalinity generation and long-term alkalinity development in the Baltic Sea
Baltic Nest Institute, Baltic Sea Centre, Stockholm University, 10691, Stockholm, Sweden
Department of Earth Sciences, Geochemistry, Utrecht University, P.O. Box 80.021, 3508 TA Utrecht, the Netherlands
now at: Soil Chemistry and Chemical Soil Quality, Wageningen University, P.O. Box 47, 6700 AA Wageningen, the Netherlands
Xiaole Sun
Baltic Sea Centre, Stockholm University, 10691, Stockholm, Sweden
Daniel C. Reed
Fisheries & Oceans Canada, Bedford Institute of Oceanography, Dartmouth, NS, Canada
Christoph Humborg
Baltic Sea Centre, Stockholm University, 10691, Stockholm, Sweden
Department of Environmental Science and Analytical Chemistry, Stockholm University, 10691, Stockholm, Sweden
Tvärminne Zoological Station, University of Helsinki, J.A. Palménin tie 260, 10900 Hanko, Finland
Caroline P. Slomp
Department of Earth Sciences, Geochemistry, Utrecht University, P.O. Box 80.021, 3508 TA Utrecht, the Netherlands
Bo G. Gustafsson
Baltic Nest Institute, Baltic Sea Centre, Stockholm University, 10691, Stockholm, Sweden
Tvärminne Zoological Station, University of Helsinki, J.A. Palménin tie 260, 10900 Hanko, Finland
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Cited
19 citations as recorded by crossref.
- A Synthesis of Global Coastal Ocean Greenhouse Gas Fluxes L. Resplandy et al. 10.1029/2023GB007803
- Ocean Alkalinity, Buffering and Biogeochemical Processes J. Middelburg et al. 10.1029/2019RG000681
- Greenhouse gas emissions (CO2 and CH4) and inorganic carbon behavior in an urban highly polluted tropical coastal lagoon (SE, Brazil) L. Cotovicz et al. 10.1007/s11356-021-13362-2
- Rapid sulfur cycling in sediments from the Peruvian oxygen minimum zone featuring simultaneous sulfate reduction and sulfide oxidation T. Treude et al. 10.1002/lno.11779
- Decoupling salinity and carbonate chemistry: low calcium ion concentration rather than salinity limits calcification in Baltic Sea mussels T. Sanders et al. 10.5194/bg-18-2573-2021
- Non-Redfieldian carbon model for the Baltic Sea (ERGOM version 1.2) – implementation and budget estimates T. Neumann et al. 10.5194/gmd-15-8473-2022
- Causes and consequences of acidification in the Baltic Sea: implications for monitoring and management E. Gustafsson et al. 10.1038/s41598-023-43596-8
- Increase in marginal sea alkalinity may impact air–sea carbon dioxide exchange and buffer acidification L. Cotovicz et al. 10.1002/lno.12672
- The impact of intertidal areas on the carbonate system of the southern North Sea F. Schwichtenberg et al. 10.5194/bg-17-4223-2020
- Influence of manganese cycling on alkalinity in the redox stratified water column of Chesapeake Bay A. Thibault de Chanvalon et al. 10.5194/bg-20-3053-2023
- The benthic-pelagic coupling affects the surface water carbonate system above groundwater-charged coastal sediments B. Szymczycha et al. 10.3389/fmars.2023.1218245
- A Numerical reassessment of the Gulf of Mexico carbon system in connection with the Mississippi River and global ocean L. Zhang & Z. Xue 10.5194/bg-19-4589-2022
- The marine carbonate system variability in high meltwater season (Spitsbergen Fjords, Svalbard) K. Koziorowska-Makuch et al. 10.1016/j.pocean.2023.102977
- Future acidification of the Baltic Sea – A sensitivity study E. Gustafsson & B. Gustafsson 10.1016/j.jmarsys.2020.103397
- Controls on buffering and coastal acidification in a temperate estuary C. Hunt et al. 10.1002/lno.12085
- Erosion of carbonate-bearing sedimentary rocks may close the alkalinity budget of the Baltic Sea and support atmospheric CO2 uptake in coastal seas K. Wallmann et al. 10.3389/fmars.2022.968069
- Alkalinity in Tidal Tributaries of the Chesapeake Bay R. Najjar et al. 10.1029/2019JC015597
- Seafloor alkalinity enhancement as a carbon dioxide removal strategy in the Baltic Sea A. Dale et al. 10.1038/s43247-024-01569-3
- Biogeochemical functioning of the Baltic Sea K. Kuliński et al. 10.5194/esd-13-633-2022
19 citations as recorded by crossref.
- A Synthesis of Global Coastal Ocean Greenhouse Gas Fluxes L. Resplandy et al. 10.1029/2023GB007803
- Ocean Alkalinity, Buffering and Biogeochemical Processes J. Middelburg et al. 10.1029/2019RG000681
- Greenhouse gas emissions (CO2 and CH4) and inorganic carbon behavior in an urban highly polluted tropical coastal lagoon (SE, Brazil) L. Cotovicz et al. 10.1007/s11356-021-13362-2
- Rapid sulfur cycling in sediments from the Peruvian oxygen minimum zone featuring simultaneous sulfate reduction and sulfide oxidation T. Treude et al. 10.1002/lno.11779
- Decoupling salinity and carbonate chemistry: low calcium ion concentration rather than salinity limits calcification in Baltic Sea mussels T. Sanders et al. 10.5194/bg-18-2573-2021
- Non-Redfieldian carbon model for the Baltic Sea (ERGOM version 1.2) – implementation and budget estimates T. Neumann et al. 10.5194/gmd-15-8473-2022
- Causes and consequences of acidification in the Baltic Sea: implications for monitoring and management E. Gustafsson et al. 10.1038/s41598-023-43596-8
- Increase in marginal sea alkalinity may impact air–sea carbon dioxide exchange and buffer acidification L. Cotovicz et al. 10.1002/lno.12672
- The impact of intertidal areas on the carbonate system of the southern North Sea F. Schwichtenberg et al. 10.5194/bg-17-4223-2020
- Influence of manganese cycling on alkalinity in the redox stratified water column of Chesapeake Bay A. Thibault de Chanvalon et al. 10.5194/bg-20-3053-2023
- The benthic-pelagic coupling affects the surface water carbonate system above groundwater-charged coastal sediments B. Szymczycha et al. 10.3389/fmars.2023.1218245
- A Numerical reassessment of the Gulf of Mexico carbon system in connection with the Mississippi River and global ocean L. Zhang & Z. Xue 10.5194/bg-19-4589-2022
- The marine carbonate system variability in high meltwater season (Spitsbergen Fjords, Svalbard) K. Koziorowska-Makuch et al. 10.1016/j.pocean.2023.102977
- Future acidification of the Baltic Sea – A sensitivity study E. Gustafsson & B. Gustafsson 10.1016/j.jmarsys.2020.103397
- Controls on buffering and coastal acidification in a temperate estuary C. Hunt et al. 10.1002/lno.12085
- Erosion of carbonate-bearing sedimentary rocks may close the alkalinity budget of the Baltic Sea and support atmospheric CO2 uptake in coastal seas K. Wallmann et al. 10.3389/fmars.2022.968069
- Alkalinity in Tidal Tributaries of the Chesapeake Bay R. Najjar et al. 10.1029/2019JC015597
- Seafloor alkalinity enhancement as a carbon dioxide removal strategy in the Baltic Sea A. Dale et al. 10.1038/s43247-024-01569-3
- Biogeochemical functioning of the Baltic Sea K. Kuliński et al. 10.5194/esd-13-633-2022
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Short summary
This work highlights that iron (Fe) dynamics plays a key role in the release of alkalinity from sediments, as exemplified for the Baltic Sea. It furthermore demonstrates that burial of Fe sulfides should be included in alkalinity budgets of low-oxygen basins. The sedimentary alkalinity generation may undergo large changes depending on both organic matter loads and oxygen conditions. Enhanced release of alkalinity from the seafloor can increase the CO2 storage capacity of seawater.
This work highlights that iron (Fe) dynamics plays a key role in the release of alkalinity from...
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