Articles | Volume 19, issue 22
https://doi.org/10.5194/bg-19-5343-2022
© Author(s) 2022. 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-19-5343-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Mineralization of autochthonous particulate organic carbon is a fast channel of organic matter turnover in Germany's largest drinking water reservoir
Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU),
Department of Geography and Geosciences, GeoZentrum Nordbayern,
Schlossgarten 5, 91054 Erlangen, Germany
Michael Seewald
Helmholtz Centre for Environmental Research-UFZ, Brueckstrasse 3a,
39114 Magdeburg, Germany
Karsten Rinke
Helmholtz Centre for Environmental Research-UFZ, Brueckstrasse 3a,
39114 Magdeburg, Germany
Kurt Friese
Helmholtz Centre for Environmental Research-UFZ, Brueckstrasse 3a,
39114 Magdeburg, Germany
Robert van Geldern
Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU),
Department of Geography and Geosciences, GeoZentrum Nordbayern,
Schlossgarten 5, 91054 Erlangen, Germany
Jakob Schmidmeier
Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU),
Department of Geography and Geosciences, GeoZentrum Nordbayern,
Schlossgarten 5, 91054 Erlangen, Germany
Johannes A. C. Barth
Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU),
Department of Geography and Geosciences, GeoZentrum Nordbayern,
Schlossgarten 5, 91054 Erlangen, Germany
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12 citations as recorded by crossref.
- Stable carbon isotopes reveal contrasting summer oxygen dynamics in Lake Erie's central and eastern basins E. DiBiasio & F. Yuan https://doi.org/10.1016/j.jglr.2026.102893
- The influence of carbon cycling on oxygen depletion in north-temperate lakes A. Delany et al. https://doi.org/10.5194/bg-20-5211-2023
- Unexpected contributions by carbonates and organic matter in a silicate-dominated tropical catchment: An isotope approach S. Senarathne et al. https://doi.org/10.1016/j.scitotenv.2024.174651
- Long-term dynamics of dissolved oxygen and isotopic composition in Lake Erie and Lake Ontario: Implications for eutrophication and ecosystem health M. Dordoni et al. https://doi.org/10.1016/j.jglr.2024.102447
- Hydrology and Bloom Shapes Dissolved and Particulate Organic Carbon and DOC Fluxes in Danjiangkou Reservoir Y. Huang et al. https://doi.org/10.3390/w18172173
- Multi‐Dimensional Tracing of Particulate Organic Matter Sources in a Deep‐Water Reservoir: Coupling Temporal Dynamics, Water Depth Stratification, and Particle‐Size Effects M. Gao et al. https://doi.org/10.1002/hyp.70668
- Lake–Groundwater Biogeochemical Interactions in a River‐Delimited System: The Groundwater and Lakes Urban Observatory (GLUO) M. Dordoni et al. https://doi.org/10.1002/iroh.70025
- Review of the migration and transformation of reservoir mineral-associated organic carbon (MAOC) K. Wang et al. https://doi.org/10.1016/j.ijsrc.2026.06.003
- The increasing influence of oyster farming on sedimentary organic matter in a semi-closed subtropical bay L. Xie et al. https://doi.org/10.1016/j.scitotenv.2024.175824
- Human and natural activities regulate organic matter transport in Chinese rivers D. Liu et al. https://doi.org/10.1016/j.watres.2023.120622
- A preliminary global hydrochemical comparison of lakes and reservoirs M. Dordoni et al. https://doi.org/10.3389/frwa.2023.1084050
- Predictive modeling of heavy metal pollution and ecological risk for sustainable water quality management in the NY–NJ harbor system M. Islam et al. https://doi.org/10.1007/s10661-026-15832-x
12 citations as recorded by crossref.
- Stable carbon isotopes reveal contrasting summer oxygen dynamics in Lake Erie's central and eastern basins E. DiBiasio & F. Yuan https://doi.org/10.1016/j.jglr.2026.102893
- The influence of carbon cycling on oxygen depletion in north-temperate lakes A. Delany et al. https://doi.org/10.5194/bg-20-5211-2023
- Unexpected contributions by carbonates and organic matter in a silicate-dominated tropical catchment: An isotope approach S. Senarathne et al. https://doi.org/10.1016/j.scitotenv.2024.174651
- Long-term dynamics of dissolved oxygen and isotopic composition in Lake Erie and Lake Ontario: Implications for eutrophication and ecosystem health M. Dordoni et al. https://doi.org/10.1016/j.jglr.2024.102447
- Hydrology and Bloom Shapes Dissolved and Particulate Organic Carbon and DOC Fluxes in Danjiangkou Reservoir Y. Huang et al. https://doi.org/10.3390/w18172173
- Multi‐Dimensional Tracing of Particulate Organic Matter Sources in a Deep‐Water Reservoir: Coupling Temporal Dynamics, Water Depth Stratification, and Particle‐Size Effects M. Gao et al. https://doi.org/10.1002/hyp.70668
- Lake–Groundwater Biogeochemical Interactions in a River‐Delimited System: The Groundwater and Lakes Urban Observatory (GLUO) M. Dordoni et al. https://doi.org/10.1002/iroh.70025
- Review of the migration and transformation of reservoir mineral-associated organic carbon (MAOC) K. Wang et al. https://doi.org/10.1016/j.ijsrc.2026.06.003
- The increasing influence of oyster farming on sedimentary organic matter in a semi-closed subtropical bay L. Xie et al. https://doi.org/10.1016/j.scitotenv.2024.175824
- Human and natural activities regulate organic matter transport in Chinese rivers D. Liu et al. https://doi.org/10.1016/j.watres.2023.120622
- A preliminary global hydrochemical comparison of lakes and reservoirs M. Dordoni et al. https://doi.org/10.3389/frwa.2023.1084050
- Predictive modeling of heavy metal pollution and ecological risk for sustainable water quality management in the NY–NJ harbor system M. Islam et al. https://doi.org/10.1007/s10661-026-15832-x
Saved (final revised paper)
Latest update: 12 Sep 2026
Short summary
Organic matter (OM) turnover into dissolved inorganic carbon (DIC) was investigated by means of carbon isotope mass balances in Germany's largest water reservoir. This includes a metalimnetic oxygen minimum (MOM). Autochthonous particulate organic carbon (POC) was the main contributor to DIC, with rates that were highest for the MOM. Generally low turnover rates outline the environmental fragility of this water body in the case that OM loads increase due to storm events or land use changes.
Organic matter (OM) turnover into dissolved inorganic carbon (DIC) was investigated by means of...
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