Articles | Volume 19, issue 24
https://doi.org/10.5194/bg-19-5973-2022
© 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-19-5973-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Nitrate isotope investigations reveal future impacts of climate change on nitrogen inputs and cycling in Arctic fjords: Kongsfjorden and Rijpfjorden (Svalbard)
Marta Santos-Garcia
CORRESPONDING AUTHOR
School of Geosciences, University of Edinburgh, Edinburgh, EH9 3FE,
United Kingdom
Raja S. Ganeshram
School of Geosciences, University of Edinburgh, Edinburgh, EH9 3FE,
United Kingdom
Robyn E. Tuerena
School of Geosciences, University of Edinburgh, Edinburgh, EH9 3FE,
United Kingdom
Scottish Association for Marine Science, Dunstaffnage, PA37 1QA,
United Kingdom
Margot C. F. Debyser
School of Geosciences, University of Edinburgh, Edinburgh, EH9 3FE,
United Kingdom
Katrine Husum
Norwegian Polar Institute, Fram Centre, 9296, Tromsø, Norway
Philipp Assmy
Norwegian Polar Institute, Fram Centre, 9296, Tromsø, Norway
Haakon Hop
Norwegian Polar Institute, Fram Centre, 9296, Tromsø, Norway
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Cited
12 citations as recorded by crossref.
- Local contributions and climate change effects on organochlorine pesticide levels in soil and sediments in Svalbard Y. Lin et al. 10.1016/j.envpol.2024.125386
- Tracing freshwater sources and particle discharge in Kongsfjorden: insights from a water isotope approach L. Fang et al. 10.3389/fmars.2024.1426793
- Tidewater glaciers as “climate refugia” for zooplankton-dependent food web in Kongsfjorden, Svalbard H. Hop et al. 10.3389/fmars.2023.1161912
- Silicon Isotopes Highlight the Role of Glaciated Fjords in Modifying Coastal Waters J. Hatton et al. 10.1029/2022JG007242
- Radiocarbon research on meltwater and carbon cycling in the polar oceans in a changing climate L. Fang et al. 10.1016/j.marchem.2024.104442
- Multifactorial effects of warming, low irradiance, and low salinity on Arctic kelps A. Lebrun et al. 10.5194/bg-21-4605-2024
- Drivers of change in Arctic fjord socio-ecological systems: Examples from the European Arctic R. Schlegel et al. 10.1017/cft.2023.1
- Tracing marine and terrestrial biochemical signatures of particulate organic matter in an Arctic fjord (Kongsfjorden) A. Singh et al. 10.1016/j.marchem.2024.104468
- Distributions of in situ parameters, dissolved (in)organic carbon, and nutrients in the water column and pore waters of Arctic fjords (western Spitsbergen) during a melting season S. Saghravani et al. 10.5194/essd-16-3419-2024
- Climate change drives coastal oligotrophication in a high-Arctic fjord via terrestrial greening and freshwater input D. Søgaard et al. 10.1088/2515-7620/ade03e
- Implications of climate change on biogeochemical cycles in the Arctic Ocean with special emphasis on the nitrogen cycle F. Alangadan et al. 10.1007/s00300-025-03387-5
- Ecosystem metabolism and nitrogen budget of a glacial Fjord in the Arctic P. Duarte et al. 10.1038/s41598-025-06953-3
11 citations as recorded by crossref.
- Local contributions and climate change effects on organochlorine pesticide levels in soil and sediments in Svalbard Y. Lin et al. 10.1016/j.envpol.2024.125386
- Tracing freshwater sources and particle discharge in Kongsfjorden: insights from a water isotope approach L. Fang et al. 10.3389/fmars.2024.1426793
- Tidewater glaciers as “climate refugia” for zooplankton-dependent food web in Kongsfjorden, Svalbard H. Hop et al. 10.3389/fmars.2023.1161912
- Silicon Isotopes Highlight the Role of Glaciated Fjords in Modifying Coastal Waters J. Hatton et al. 10.1029/2022JG007242
- Radiocarbon research on meltwater and carbon cycling in the polar oceans in a changing climate L. Fang et al. 10.1016/j.marchem.2024.104442
- Multifactorial effects of warming, low irradiance, and low salinity on Arctic kelps A. Lebrun et al. 10.5194/bg-21-4605-2024
- Drivers of change in Arctic fjord socio-ecological systems: Examples from the European Arctic R. Schlegel et al. 10.1017/cft.2023.1
- Tracing marine and terrestrial biochemical signatures of particulate organic matter in an Arctic fjord (Kongsfjorden) A. Singh et al. 10.1016/j.marchem.2024.104468
- Distributions of in situ parameters, dissolved (in)organic carbon, and nutrients in the water column and pore waters of Arctic fjords (western Spitsbergen) during a melting season S. Saghravani et al. 10.5194/essd-16-3419-2024
- Climate change drives coastal oligotrophication in a high-Arctic fjord via terrestrial greening and freshwater input D. Søgaard et al. 10.1088/2515-7620/ade03e
- Implications of climate change on biogeochemical cycles in the Arctic Ocean with special emphasis on the nitrogen cycle F. Alangadan et al. 10.1007/s00300-025-03387-5
1 citations as recorded by crossref.
Latest update: 06 Jul 2025
Short summary
Terrestrial sources of nitrate are important contributors to the nutrient pool in the fjords of Kongsfjorden and Rijpfjorden in Svalbard during the summer, and they sustain most of the fjord primary productivity. Ongoing tidewater glacier retreat is postulated to favour light limitation and less dynamic circulation in fjords. This is suggested to encourage the export of nutrients to the middle and outer part of the fjord system, which may enhance primary production within and in offshore areas.
Terrestrial sources of nitrate are important contributors to the nutrient pool in the fjords of...
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