Articles | Volume 20, issue 7
https://doi.org/10.5194/bg-20-1423-2023
© Author(s) 2023. 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-20-1423-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| Highlight paper
| 
12 Apr 2023
Research article | Highlight paper |
| 12 Apr 2023
| 12 Apr 2023
Particulate organic matter in the Lena River and its delta: from the permafrost catchment to the Arctic Ocean
Marine Geochemistry Section, Alfred Wegener Institute Helmholtz Centre
for Polar and Marine Research, 27570 Bremerhaven, Germany
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre
for Polar and Marine Research, 14473 Potsdam, Germany
Faculty of Geosciences, University of Bremen, 28359 Bremen, Germany
Gesine Mollenhauer
CORRESPONDING AUTHOR
Marine Geochemistry Section, Alfred Wegener Institute Helmholtz Centre
for Polar and Marine Research, 27570 Bremerhaven, Germany
Faculty of Geosciences, University of Bremen, 28359 Bremen, Germany
Bennet Juhls
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre
for Polar and Marine Research, 14473 Potsdam, Germany
Tina Sanders
Institute for Carbon Cycles, Helmholtz Centre Hereon, 21502 Geesthacht,
Germany
Juri Palmtag
Department of Geography and Environmental Sciences, Northumbria
University, Newcastle upon Tyne, NE1 8ST, UK
now at: Department of Human Geography, Stockholm University,
Stockholm, Sweden
Matthias Fuchs
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre
for Polar and Marine Research, 14473 Potsdam, Germany
Hendrik Grotheer
Marine Geochemistry Section, Alfred Wegener Institute Helmholtz Centre
for Polar and Marine Research, 27570 Bremerhaven, Germany
Paul J. Mann
Department of Geography and Environmental Sciences, Northumbria
University, Newcastle upon Tyne, NE1 8ST, UK
Permafrost Research Section, Alfred Wegener Institute Helmholtz Centre
for Polar and Marine Research, 14473 Potsdam, Germany
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Cited
12 citations as recorded by crossref.
- Cross-shelf processes of terrigenous organic matter drive mercury speciation on the east siberian shelf in the Arctic Ocean J. Kim et al. 10.1016/j.envpol.2023.123270
- Potential nitrogen mobilisation from the Yedoma permafrost domain J. Strauss et al. 10.1088/1748-9326/ad3167
- The Factors of Suspended Sediment Concentration Increasing in the Lena River Delta K. Prokopeva & S. Chalov 10.1134/S0097807824701598
- Spatial heterogeneity of sedimentary organic matter sources in the Yangtze River estuary: Implications from fatty acid biomarkers Y. Wang et al. 10.1016/j.marpolbul.2024.116249
- Quantitative organic carbon source in suspended particulates from the Dagu River-estuary-Jiaozhou Bay system (North China) J. Zhang et al. 10.1016/j.marenvres.2025.107565
- Climate warming enhances chemical weathering in permafrost-dominated eastern Siberia P. Wang et al. 10.1016/j.scitotenv.2023.167367
- The Arctic Oscillation controls interannual transport and fate of particulate organic carbon on the Eurasian Arctic Shelf J. Luo et al. 10.1016/j.pocean.2025.103468
- New data on the transformation of water and sediment runoff into the Lena river delta based on the results of expedition measurements in August 2022 D. Magritsky et al. 10.30758/0555-2648-2023-69-2-171-190
- Lena River biogeochemistry captured by a 4.5-year high-frequency sampling program B. Juhls et al. 10.5194/essd-17-1-2025
- Geospatial patterns in terrestrial organic matter reactivity across four shelf seas spanning the Eurasian Arctic J. Wu et al. 10.1126/sciadv.adt6806
- Interactions between iron and carbon in permafrost thaw ponds A. Chauhan et al. 10.1016/j.scitotenv.2024.174321
- Temporal trend of organic carbon in the East Siberian Arctic shelf sediments and its relation to the recent climate forcing J. Luo et al. 10.1007/s13131-024-2456-y
12 citations as recorded by crossref.
- Cross-shelf processes of terrigenous organic matter drive mercury speciation on the east siberian shelf in the Arctic Ocean J. Kim et al. 10.1016/j.envpol.2023.123270
- Potential nitrogen mobilisation from the Yedoma permafrost domain J. Strauss et al. 10.1088/1748-9326/ad3167
- The Factors of Suspended Sediment Concentration Increasing in the Lena River Delta K. Prokopeva & S. Chalov 10.1134/S0097807824701598
- Spatial heterogeneity of sedimentary organic matter sources in the Yangtze River estuary: Implications from fatty acid biomarkers Y. Wang et al. 10.1016/j.marpolbul.2024.116249
- Quantitative organic carbon source in suspended particulates from the Dagu River-estuary-Jiaozhou Bay system (North China) J. Zhang et al. 10.1016/j.marenvres.2025.107565
- Climate warming enhances chemical weathering in permafrost-dominated eastern Siberia P. Wang et al. 10.1016/j.scitotenv.2023.167367
- The Arctic Oscillation controls interannual transport and fate of particulate organic carbon on the Eurasian Arctic Shelf J. Luo et al. 10.1016/j.pocean.2025.103468
- New data on the transformation of water and sediment runoff into the Lena river delta based on the results of expedition measurements in August 2022 D. Magritsky et al. 10.30758/0555-2648-2023-69-2-171-190
- Lena River biogeochemistry captured by a 4.5-year high-frequency sampling program B. Juhls et al. 10.5194/essd-17-1-2025
- Geospatial patterns in terrestrial organic matter reactivity across four shelf seas spanning the Eurasian Arctic J. Wu et al. 10.1126/sciadv.adt6806
- Interactions between iron and carbon in permafrost thaw ponds A. Chauhan et al. 10.1016/j.scitotenv.2024.174321
- Temporal trend of organic carbon in the East Siberian Arctic shelf sediments and its relation to the recent climate forcing J. Luo et al. 10.1007/s13131-024-2456-y
Latest update: 03 Nov 2025
Co-editor-in-chief
While the source and fate of particulate organic matter (POM) are better understood in riverine, deltaic, and lake systems, this paper provides an insight on POM dynamics in a permafrost catchment, while combining a multiple proxy approach (particulate organic carbon - POC, total suspended matter - TSM, carbon isotopes - d13C and d14C - in POC). Combined with mixing models, these findings help decipher the potential sources for authochtonous and allochtnonous organic matters, and hence provide important insights in the role of permafrost for the organic carbon mobilization in the Arctic region.
While the source and fate of particulate organic matter (POM) are better understood in riverine,...
Short summary
Arctic warming accelerates permafrost thaw and release of terrestrial organic matter (OM) via rivers to the Arctic Ocean. We compared particulate organic carbon (POC), total suspended matter, and C isotopes (δ13C and Δ14C of POC) in the Lena delta and Lena River along a ~1600 km transect. We show that the Lena delta, as an interface between the Lena River and the Arctic Ocean, plays a crucial role in determining the qualitative and quantitative composition of OM discharged into the Arctic Ocean.
Arctic warming accelerates permafrost thaw and release of terrestrial organic matter (OM) via...
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