Articles | Volume 18, issue 9
https://doi.org/10.5194/bg-18-2981-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-2981-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Deep-water inflow event increases sedimentary phosphorus release on a multi-year scale
Department of Marine Sciences, University of Gothenburg, Box 461, 405
30 Gothenburg, Sweden
Sebastiaan J. van de Velde
Department of Earth and Planetary Sciences, University of California,
Riverside, CA 92521, USA
Bgeosys, Geoscience, Environment & Society, Université Libre de
Bruxelles, 1050 Brussels, Belgium
Operational Directorate Natural Environment, Royal Belgian Institute
of Natural Sciences, 1000 Brussels, Belgium
Mikhail Kononets
Department of Marine Sciences, University of Gothenburg, Box 461, 405
30 Gothenburg, Sweden
Mingyue Luo
Department of Analytical, Environmental and Geo-Chemistry, Vrije
Universiteit Brussel, 1050 Brussels, Belgium
Elin Almroth-Rosell
Oceanographic Research, Swedish Meteorological and Hydrological
Institute, 426 71 Västra Frölunda, Sweden
Per O. J. Hall
Department of Marine Sciences, University of Gothenburg, Box 461, 405
30 Gothenburg, Sweden
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Cited
13 citations as recorded by crossref.
- Radium isotopes quantify vertical mixing and reveal large benthic silicate fluxes in anoxic deep waters T. McKenzie et al. https://doi.org/10.1002/lno.70126
- Could artificial reoxygenation revitalize dying coastal seas? C. Slomp et al. https://doi.org/10.1088/1748-9326/ae5e96
- Daily Samples Revealing Shift in Phytoplankton Community and Its Environmental Drivers during Summer in Qinhuangdao Coastal Area, China Y. He et al. https://doi.org/10.3390/w14101625
- Enhanced benthic nitrous oxide and ammonium production after natural oxygenation of long‐term anoxic sediments A. Hylén et al. https://doi.org/10.1002/lno.12001
- A Regime Shift Toward a More Anoxic Environment in a Eutrophic Sea in Northern Europe E. Almroth-Rosell et al. https://doi.org/10.3389/fmars.2021.799936
- Modelling sediment diagenesis processes in a freshwater ecosystem experiencing transient external phosphorus and iron loading T. Xu et al. https://doi.org/10.1016/j.ecolmodel.2025.111458
- Decadal changes in surface CO2 concentrations and CO2 fluxes in a mountain lake U. Obertegger et al. https://doi.org/10.1002/lno.12557
- Cable bacteria delay euxinia and modulate phosphorus release in coastal hypoxic systems L. Burdorf et al. https://doi.org/10.1098/rsos.231991
- Phosphorus fractions and their vertical distribution in seabed sediments of the eastern Baltic Sea M. Ausmeel et al. https://doi.org/10.1016/j.csr.2024.105340
- Organic P poses high releasing risk from sediments in lake with long history of eutrophication and algal blooms Y. Liu et al. https://doi.org/10.1016/j.apgeochem.2025.106499
- Particle shuttling and oxidation capacity of sedimentary organic carbon on the Baltic Sea system scale M. Nilsson et al. https://doi.org/10.1016/j.marchem.2021.103963
- Warm saltwater inflows strengthen oxygen depletion in the western Baltic Sea L. Barghorn et al. https://doi.org/10.1007/s00382-024-07501-x
- In situ-measured benthic fluxes of dissolved inorganic phosphorus in the Baltic Sea A. Hylén et al. https://doi.org/10.5194/essd-17-6423-2025
13 citations as recorded by crossref.
- Radium isotopes quantify vertical mixing and reveal large benthic silicate fluxes in anoxic deep waters T. McKenzie et al. https://doi.org/10.1002/lno.70126
- Could artificial reoxygenation revitalize dying coastal seas? C. Slomp et al. https://doi.org/10.1088/1748-9326/ae5e96
- Daily Samples Revealing Shift in Phytoplankton Community and Its Environmental Drivers during Summer in Qinhuangdao Coastal Area, China Y. He et al. https://doi.org/10.3390/w14101625
- Enhanced benthic nitrous oxide and ammonium production after natural oxygenation of long‐term anoxic sediments A. Hylén et al. https://doi.org/10.1002/lno.12001
- A Regime Shift Toward a More Anoxic Environment in a Eutrophic Sea in Northern Europe E. Almroth-Rosell et al. https://doi.org/10.3389/fmars.2021.799936
- Modelling sediment diagenesis processes in a freshwater ecosystem experiencing transient external phosphorus and iron loading T. Xu et al. https://doi.org/10.1016/j.ecolmodel.2025.111458
- Decadal changes in surface CO2 concentrations and CO2 fluxes in a mountain lake U. Obertegger et al. https://doi.org/10.1002/lno.12557
- Cable bacteria delay euxinia and modulate phosphorus release in coastal hypoxic systems L. Burdorf et al. https://doi.org/10.1098/rsos.231991
- Phosphorus fractions and their vertical distribution in seabed sediments of the eastern Baltic Sea M. Ausmeel et al. https://doi.org/10.1016/j.csr.2024.105340
- Organic P poses high releasing risk from sediments in lake with long history of eutrophication and algal blooms Y. Liu et al. https://doi.org/10.1016/j.apgeochem.2025.106499
- Particle shuttling and oxidation capacity of sedimentary organic carbon on the Baltic Sea system scale M. Nilsson et al. https://doi.org/10.1016/j.marchem.2021.103963
- Warm saltwater inflows strengthen oxygen depletion in the western Baltic Sea L. Barghorn et al. https://doi.org/10.1007/s00382-024-07501-x
- In situ-measured benthic fluxes of dissolved inorganic phosphorus in the Baltic Sea A. Hylén et al. https://doi.org/10.5194/essd-17-6423-2025
Saved (final revised paper)
Latest update: 09 Jun 2026
Short summary
Sediments in oxygen-depleted ocean areas release high amounts of phosphorus, feeding algae that consume oxygen upon degradation, leading to further phosphorus release. Oxygenation is thought to trap phosphorus in the sediment and break this feedback. We studied the sediment phosphorus cycle in a previously anoxic area after an inflow of oxic water. Surprisingly, the sediment phosphorus release increased, showing that feedbacks between phosphorus release and oxygen depletion can be hard to break.
Sediments in oxygen-depleted ocean areas release high amounts of phosphorus, feeding algae that...
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