Articles | Volume 18, issue 6
https://doi.org/10.5194/bg-18-2139-2021
© 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-18-2139-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Organic carbon densities and accumulation rates in surface sediments of the North Sea and Skagerrak
Geological Survey of Norway, P.O. Box 6315, Torgarden, 7491
Trondheim, Norway
Terje Thorsnes
Geological Survey of Norway, P.O. Box 6315, Torgarden, 7491
Trondheim, Norway
Lilja Rún Bjarnadóttir
Geological Survey of Norway, P.O. Box 6315, Torgarden, 7491
Trondheim, Norway
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51 citations as recorded by crossref.
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- From sink to strategy: Sediments at the nexus of carbon sequestration and climate action D. Veselić et al.
- Sediment resuspension in muddy sediments enhances pyrite oxidation and carbon dioxide emissions in Kiel Bight H. Kalapurakkal et al.
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51 citations as recorded by crossref.
- Dredging and dumping impact coastal fluxes of sediment and organic carbon L. Porz et al.
- The opportunity for climate action through climate-smart Marine Spatial Planning A. Queirós et al.
- Identifying priority areas to manage mobile bottom fishing on seabed carbon in the UK G. Epstein et al.
- Distribution and Genesis of Organic Carbon Storage on the Northern Shelf of the South China Sea L. Chen et al.
- Benthic POC cycling in the Skagerrak basin: The role of lateral POC input T. Spiegel et al.
- River discharge and sedimentation drive progressive bottom-water hypoxia and redox reorganization in eastern Arabian Sea shelf sediments K. Sivan et al.
- Nordic Blue Carbon Ecosystems: Status and Outlook D. Krause-Jensen et al.
- Organic carbon densities and accumulation rates in surface sediments of the North Sea and Skagerrak M. Diesing et al.
- Sediment transport pathways and organic carbon burial impacted by offshore wind farms in shelf seas J. Chen et al.
- Improving marine sediment carbon stock estimates: the role of dry bulk density and predictor adjustments M. Chatting et al.
- Long-term carbon storage in shelf sea sediments reduced by intensive bottom trawling W. Zhang et al.
- Twice the global average carbon burial efficiency in the Helgoland Mud Area of the North Sea: Insights into carbon sequestration in small-size depocenters on sand-dominated shelves B. Wei et al.
- Seafloor sediment characterization improves estimates of organic carbon standing stocks: an example from the Eastern Shore Islands, Nova Scotia, Canada C. Brenan et al.
- Evaluating bottom trawling effects on North Sea productivity P. Tiwari et al.
- Nontargeted Screening to Unravel Offshore Wind Farm Chemical Fingerprints D. Vanavermaete et al.
- Testing spatial interpolation methods for deep-time organic carbon burial in epicontinental seas by taking Sunda Shelf as an example Y. Yang et al.
- Protection of seabed sediments in Canada's marine conservation network for potential climate change mitigation co-benefit G. Epstein et al.
- Sedimentary blue carbon around decommissioned oil and gas platforms in the North Sea H. Woodward-Rowe et al.
- Reconciling the impact of mobile bottom-contact fishing on marine organic carbon sequestration P. Khedri et al.
- Living on the edge: environmental variability of a shallow late Holocene cold-water coral mound J. Raddatz et al.
- Quantification and mitigation of bottom-trawling impacts on sedimentary organic carbon stocks in the North Sea L. Porz et al.
- Towards Incorporation of Blue Carbon in Falkland Islands Marine Spatial Planning: A Multi-Tiered Approach N. Bax et al.
- The necessary optimization of the data lifecycle: Marine geosciences in the big data era T. Lee et al.
- Assessing the potential vulnerability of sedimentary carbon stores to bottom trawling disturbance within the UK EEZ K. Black et al.
- Adapting the marine stewardship council’s risk-based framework to assess the impact of towed bottom fishing gear on blue carbon habitats K. Morris et al.
- Mechanisms of phosphorus release from coastal sediments driven by organic matter enrichment at high nitrogen concentrations C. Zhao et al.
- Trace metals and Mo isotopic fractionation in Skagerrak sediments–effects of different oxygen conditions A. Siems et al.
- Multiple imputation of multibeam angular response data for high resolution full coverage seabed mapping B. Misiuk & C. Brown
- The Modern Ocean Sediment Archive and Inventory of Carbon (MOSAIC): version 2.0 S. Paradis et al.
- NN-TOC v1: global prediction of total organic carbon in marine sediments using deep neural networks N. Parameswaran et al.
- Predictive mapping of organic carbon stocks in surficial sediments of the Canadian continental margin G. Epstein et al.
- Benthic alkalinity fluxes from coastal sediments of the Baltic and North seas: comparing approaches and identifying knowledge gaps B. Van Dam et al.
- Hidden aliens: Application of digital PCR to track an exotic foraminifer across the Skagerrak (North Sea) correlates well with traditional morphospecies analysis F. Morin et al.
- Mobile bottom fishing in the Canadian Pacific and Atlantic causes disturbance and risk to remineralisation of seabed sediment carbon stocks G. Epstein et al.
- Sounding Out the Carbon: The Potential of Acoustic Backscatter Data to Yield Improved Spatial Predictions of Organic Carbon in Marine Sediments C. Hunt et al.
- Variations of sediment organic phosphorus and organic carbon during the outbreak and decline of algal blooms in Lake Taihu, China J. Wang et al.
- A gear component approach to trawling impact and sediment mobilization assessments K. van der Reijden et al.
- Spatially heterogeneous organic carbon remineralization as a driver for highly negative carbonate δ13C excursions C. van Wieren et al.
- Assessing Carbon Pool Dynamics in Sedimentary Systems of Tibetan Plateau Urban Wetlands, China J. Kang et al.
- Depositional controls and budget of organic carbon burial in fine-grained sediments of the North Sea – the Helgoland Mud Area as a natural laboratory D. Müller et al.
- Glacial troughs as centres of organic carbon accumulation on the Norwegian continental margin M. Diesing et al.
- Seamless Integration of the Coastal Ocean in Global Marine Carbon Cycle Modeling M. Mathis et al.
- Sedimentary carbon on the continental shelf: Emerging capabilities and research priorities for Blue Carbon C. Graves et al.
- Blue Carbon potential in Germany: Status and future development J. Koplin et al.
- Under pressure: accounting for multiple human pressures outside and inside marine protected areas in the Skagerrak H. Frigstad et al.
- Modelling mass accumulation rates and 210Pb rain rates in the Skagerrak: lateral sediment transport dominates the sediment input T. Spiegel et al.
- Carbon stocks in marine habitats across Jersey’s territorial waters B. Davies et al.
- Spatial Classification of Coastal Depositionary Environments Using Spatial Correlation, and the Distribution Characteristics of Organic Matter Including Total Organic Carbon (TOC) N. Kim & T. Choi
- From sink to strategy: Sediments at the nexus of carbon sequestration and climate action D. Veselić et al.
- Sediment resuspension in muddy sediments enhances pyrite oxidation and carbon dioxide emissions in Kiel Bight H. Kalapurakkal et al.
- Hotspots and coldspots of seabed organic carbon on the Norwegian continental margin M. Diesing et al.
Saved (final revised paper)
Latest update: 14 May 2026
Short summary
The upper 10 cm of the seafloor of the North Sea and Skagerrak contain 231×106 t of carbon in organic form. The Norwegian Trough, the deepest sedimentary basin in the studied area, stands out as a zone of strong organic carbon accumulation with rates on par with neighbouring fjords. Conversely, large parts of the North Sea are characterised by rapid organic carbon degradation and negligible accumulation. This dual character is likely typical for continental shelf sediments worldwide.
The upper 10 cm of the seafloor of the North Sea and Skagerrak contain 231×106 t of carbon in...
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