Personal profile
Profile
My current research is centred around chemical oceanography and environmental spectroscopy. Chemical oceanography is the study of the chemical composition of seawater and understanding how both physical and biological processes influence the biogeochemical cycling of elements in the sea. Spectroscopy is the study of the interaction of light with matter. In my research I use it as an approach to study the distribution and turnover (biogeochemistry) of matter in the ocean. This I do in both in the laboratory but also in the field as optical oceanography, which is in essence environmental spectroscopy.
My research builds on and now revives an earlier world leading position that Denmark had within the field optical oceanography (Jerlov, Copenhagen University) and takes its further by integrating it with modern chemical oceanography and new instrumental and computational capabilities. The organic matter spectroscopy techniques we have developed for oceanography have now spread to a wide range of other fields such as drinking and waste water treatment, recirculated aquaculture and ballast water assessment.
Curriculum
Keywords
- User defined:
- UV Visible spectroscopy
- organic matter
- oceanography
- fluorescence
- Marine biogeochemistry
- Danish Centre for Marine Research
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
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SDG 3 Good Health and Well-being -
SDG 7 Affordable and Clean Energy -
SDG 12 Responsible Consumption and Production -
SDG 13 Climate Action -
SDG 14 Life Below Water -
SDG 15 Life on Land
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Collaborations and top research areas from the last five years
Publications
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An ultraviolet–visible spectroscopy system for studying real‐time pressure effects on enzyme activity
Papadimitraki, M., Wünsch, U., Balmonte, J. P., Middelboe, M., Stedmon, C. A., Attard, K. M. & Glud, R. N., 2026, (Accepted/In press) In: Limnology and Oceanography: Methods. 15 p., e70034.Research output: Contribution to journal › Journal article › Research › peer-review
Open Access -
ARGO bøje teknologi som en supplement til havmiljøovervågning
Stedmon, C., Toftegård, B. & Mariani, P., 2026, Havforskermøde 2026: Abstractbog. Aarhus, Denmark: Aarhus Universitet, p. 9-9Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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Major terrestrial contribution to the dissolved organic carbon budget in the Arctic Ocean
Kong, X., Lechtenfeld, O. J., Kaesler, J. M., Granskog, M. A., Stedmon, C. A., Graeve, M. & Koch, B. P., 2026, In: Nature Geoscience. 19, p. 90-98Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile3 Downloads (Orbit) -
Options for funding through the Danish Center for Marine Research
Riisager-Simonsen, C. & Stedmon, C., 2026, Havforskermøde 2026: Abstractbog. Aarhus, Denmark: Aarhus Universitet, p. 81-81Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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The East Greenland Polar Front as a mediator of climate-ocean-ecosystem variability along Southeast Greenland
Gjelstrup, C., Nielsen, J. B., MacKenzie, B., Post, S., Werner, K.-M., Visser, A. & Stedmon, C., 2026, Havforskermøde 2026: Abstractbog. Aarhus, Denmark: Aarhus Universitet, p. 73-74Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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Arctic & Maritime Surveillance - from Space to Seabed
Pedersen, H. B. (PhD Student), Heiselberg, H. (Main Supervisor), Heiselberg, P. (Supervisor), Stedmon, C. (Supervisor) & Sørensen, K. A. (Supervisor)
01/04/2025 → 31/03/2028
Project: PhD
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ZG: ZosteraGrids - development of sediment and habitat improving technology
Andreasen, M. H. (PI) & Stedmon, C. (Project Coordinator)
15/03/2025 → …
Project: Research
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Building the coastal ARGO (ARGO+)
O'Brien-Møller, D. D. (PhD Student), Mariani, P. (Main Supervisor), Galeazzi, R. (Supervisor) & Stedmon, C. (Supervisor)
01/12/2024 → 30/11/2027
Project: PhD
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TRAWL-ILT: Seabed impacts from trawling in oxygen depleted areas (115102)
Eigaard, O. R. (Project Coordinator), Christensen, H. T. (Project Manager), Dinesen, G. E. (Project Participant), Rindorf, A. (Project Participant), Stedmon, C. (Project Participant), Christensen, A. (Project Participant), van Deurs, M. S. K. (Project Participant), Hansen, J. (Project Participant), Trap-Lind, A. (Project Participant), Egekvist, J. (Project Participant), Olsen, J. (Project Participant) & Hansen, A. D. (Project Participant)
European Maritime, Fisheries and Aquaculture Fund
01/10/2024 → 31/12/2026
Project: Research
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EEnzym: A new approach to laccase discovery from the sea (113540)
Wünsch, U. (PI) & Stedmon, C. (PI)
01/01/2024 → 31/12/2026
Project: Research
Activities
- 8 Conference presentations
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The response of fluorescent organic matter to ozone treatment in pilot freshwater RAS
Spiliotopoulou, A. (Lecturer), Andersen, H. R. (Other), Pedersen, L.-F. (Other), Stedmon, C. (Other) & Hambly, A. (Other)
23 Apr 2018 → 26 Apr 2018Activity: Talks and presentations › Conference presentations
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The effect of ozone on fluorescent organic matter in pilot freshwater RAS
Spiliotopoulou, A. (Guest lecturer), Andersen, H. R. (Other), Pedersen, L.-F. (Other), Stedmon, C. (Other) & Hambly, A. (Other)
25 Aug 2018 → 29 Aug 2018Activity: Talks and presentations › Conference presentations
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How does fluorescent organic matter changes in ozonated recirculating aquaculture systems?
Spiliotopoulou, A. (Guest lecturer), Andersen, H. R. (Other), Pedersen, L.-F. (Other), Stedmon, C. (Other) & Hambly, A. (Other)
23 Oct 2018 → 26 Oct 2018Activity: Talks and presentations › Conference presentations
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EGU 2017
Wünsch, U. (Speaker) & Stedmon, C. (Speaker)
27 Apr 2017Activity: Talks and presentations › Conference presentations
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’Havet, Klima og Kulstof: hvordan hænger det sammen?.
Stedmon, C. (Lecturer)
28 Apr 2016Activity: Talks and presentations › Conference presentations
Datasets
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Data for: "Connectivity between Siberian river runoff and the lower limb of the Atlantic Meridional Overturning Circulation"
Gjelstrup, C. V. B. (Creator), Myers, P. (Creator), Lee, C. (Creator), Azetsu-Scott, K. (Creator) & Stedmon, C. (Creator), Technical University of Denmark, 2024
Dataset