Articles | Volume 17, issue 18
https://doi.org/10.5194/bg-17-4663-2020
© Author(s) 2020. 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-17-4663-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
25 Sep 2020
Research article |
| 25 Sep 2020
| 25 Sep 2020
Sediment release of dissolved organic matter to the oxygen minimum zone off Peru
Alexandra N. Loginova
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
now at: Institute of Oceanology of Polish Academy of Sciences, Sopot, Poland
Andrew W. Dale
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Frédéric A. C. Le Moigne
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Mediterranean Institute of Oceanography, UM110, Aix Marselle Université, CNRS, IRD, 13288, Marseille, France
Sören Thomsen
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
LOCEAN-IPSL, IRD/CNRS/Sorbonnes Universites (UPMC)/MNHN, Paris, France
Stefan Sommer
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
David Clemens
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
Klaus Wallmann
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
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Cited
14 citations as recorded by crossref.
- Coupling of dissolved organic carbon, sulfur and iron cycling in Black Sea sediments over the Holocene and the late Pleistocene: Insights from an empirical dynamic model P. Chuang et al. 10.1016/j.gca.2021.04.032
- Records of biogeochemical variables for Semarang Bay, Indonesia, facing potential coastal deoxygenation A. Wahyudi et al. 10.1016/j.marenvres.2025.107183
- Organic Matter Supply and Utilization in Oxygen Minimum Zones A. Engel et al. 10.1146/annurev-marine-041921-090849
- Climate-Biogeochemistry Interactions in the Tropical Ocean: Data Collection and Legacy G. Krahmann et al. 10.3389/fmars.2021.723304
- Effect of marine heat waves on carbon metabolism, optical characterization, and bioavailability of dissolved organic carbon in coastal vegetated communities L. Egea et al. 10.1002/lno.12286
- Overlying water fluoride concentrations influence dissolved organic matter composition and migration from pore water in sediment via bacterial mechanisms X. Zhu et al. 10.1016/j.ese.2022.100163
- Sedimentary supply of humic-like fluorescent dissolved organic matter and its implication for chemoautotrophic microbial activity in the Izu-Ogasawara Trench M. Shigemitsu et al. 10.1038/s41598-021-97774-7
- Polychlorinated biphenyls in the surface and deep waters of the Southern Indian Ocean and Coastal Antarctica K. Vudamala et al. 10.1016/j.chemosphere.2024.143241
- Qualitative variability of dissolved organic matter in the Baltic Sea sediments apparent from fluxes and optical properties A. Loginova et al. 10.3389/fmars.2024.1433199
- Distinct habitat and biogeochemical properties of low‐oxygen‐adapted tropical oceanic phytoplankton I. Cox et al. 10.1002/lno.12404
- Estimation of net accumulation and removal of fluorescent dissolved organic matter in different Baltic Sea water masses E. Terzić et al. 10.3389/fmars.2024.1379604
- Bioavailability and remineralization rates of sediment-derived dissolved organic carbon from a Baltic Sea depositional area M. Lengier et al. 10.3389/fmars.2024.1359563
- Suboxic DOM is bioavailable to surface prokaryotes in a simulated overturn of an oxygen minimum zone, Devil’s Hole, Bermuda R. Parsons et al. 10.3389/fmicb.2023.1287477
- Nutrient estimation in the Peruvian upwelling system based on a neural network approach C. Asto et al. 10.3389/fmars.2025.1558747
14 citations as recorded by crossref.
- Coupling of dissolved organic carbon, sulfur and iron cycling in Black Sea sediments over the Holocene and the late Pleistocene: Insights from an empirical dynamic model P. Chuang et al. 10.1016/j.gca.2021.04.032
- Records of biogeochemical variables for Semarang Bay, Indonesia, facing potential coastal deoxygenation A. Wahyudi et al. 10.1016/j.marenvres.2025.107183
- Organic Matter Supply and Utilization in Oxygen Minimum Zones A. Engel et al. 10.1146/annurev-marine-041921-090849
- Climate-Biogeochemistry Interactions in the Tropical Ocean: Data Collection and Legacy G. Krahmann et al. 10.3389/fmars.2021.723304
- Effect of marine heat waves on carbon metabolism, optical characterization, and bioavailability of dissolved organic carbon in coastal vegetated communities L. Egea et al. 10.1002/lno.12286
- Overlying water fluoride concentrations influence dissolved organic matter composition and migration from pore water in sediment via bacterial mechanisms X. Zhu et al. 10.1016/j.ese.2022.100163
- Sedimentary supply of humic-like fluorescent dissolved organic matter and its implication for chemoautotrophic microbial activity in the Izu-Ogasawara Trench M. Shigemitsu et al. 10.1038/s41598-021-97774-7
- Polychlorinated biphenyls in the surface and deep waters of the Southern Indian Ocean and Coastal Antarctica K. Vudamala et al. 10.1016/j.chemosphere.2024.143241
- Qualitative variability of dissolved organic matter in the Baltic Sea sediments apparent from fluxes and optical properties A. Loginova et al. 10.3389/fmars.2024.1433199
- Distinct habitat and biogeochemical properties of low‐oxygen‐adapted tropical oceanic phytoplankton I. Cox et al. 10.1002/lno.12404
- Estimation of net accumulation and removal of fluorescent dissolved organic matter in different Baltic Sea water masses E. Terzić et al. 10.3389/fmars.2024.1379604
- Bioavailability and remineralization rates of sediment-derived dissolved organic carbon from a Baltic Sea depositional area M. Lengier et al. 10.3389/fmars.2024.1359563
- Suboxic DOM is bioavailable to surface prokaryotes in a simulated overturn of an oxygen minimum zone, Devil’s Hole, Bermuda R. Parsons et al. 10.3389/fmicb.2023.1287477
- Nutrient estimation in the Peruvian upwelling system based on a neural network approach C. Asto et al. 10.3389/fmars.2025.1558747
Latest update: 23 Jul 2025
Short summary
We measured dissolved organic carbon (DOC), nitrogen (DON) and matter (DOM) optical properties in pore waters and near-bottom waters of the eastern tropical South Pacific off Peru. The difference between diffusion-driven and net fluxes of DOC and DON and qualitative changes in DOM optical properties suggested active microbial utilisation of the released DOM at the sediment–water interface. Our results suggest that the sediment release of DOM contributes to microbial processes in the area.
We measured dissolved organic carbon (DOC), nitrogen (DON) and matter (DOM) optical properties...
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