Articles | Volume 18, issue 2
https://doi.org/10.5194/bg-18-637-2021
© 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-18-637-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Jan 2021
Research article |
| 28 Jan 2021
| 28 Jan 2021
Nitrate assimilation and regeneration in the Barents Sea: insights from nitrate isotopes
Robyn E. Tuerena
CORRESPONDING AUTHOR
School of GeoSciences, University of Edinburgh, James Hutton Rd,
Edinburgh, EH9 3FE, UK
now at: Scottish Association for Marine Science, Oban, Argyll, PA37 1QA, UK
Joanne Hopkins
National Oceanography Centre, 6 Brownlow Street, Liverpool, L3 5DA,
UK
Raja S. Ganeshram
School of GeoSciences, University of Edinburgh, James Hutton Rd,
Edinburgh, EH9 3FE, UK
Louisa Norman
School of Environmental Sciences, University of Liverpool, 4 Brownlow
St, Liverpool, L69 3GP, UK
Camille de la Vega
School of Environmental Sciences, University of Liverpool, 4 Brownlow
St, Liverpool, L69 3GP, UK
Rachel Jeffreys
School of Environmental Sciences, University of Liverpool, 4 Brownlow
St, Liverpool, L69 3GP, UK
Claire Mahaffey
School of Environmental Sciences, University of Liverpool, 4 Brownlow
St, Liverpool, L69 3GP, UK
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Cited
16 citations as recorded by crossref.
- Nutrient concentrations in minke whale faeces and the potential impact on dissolved nutrient pools off Svalbard, Norway C. Freitas et al. 10.1016/j.pocean.2022.102927
- Water mass influence on spatial and seasonal distributions of diatoms, dinoflagellates and coccolithophores in the western Barents Sea Q. Luan et al. 10.1007/s00300-024-03255-8
- Analysis of nitrogen migration and transformation in the typical deep and large reservoir of the Lancang River — Evidence from nitrogen and oxygen isotopes Y. Bao et al. 10.1016/j.jhydrol.2024.131701
- Nitrate isotope investigations reveal future impacts of climate change on nitrogen inputs and cycling in Arctic fjords: Kongsfjorden and Rijpfjorden (Svalbard) M. Santos-Garcia et al. 10.5194/bg-19-5973-2022
- Oceanographic and biogeochemical drivers cause divergent trends in the nitrogen isoscape in a changing Arctic Ocean P. Buchanan et al. 10.1007/s13280-021-01635-6
- Nutrient pathways and their susceptibility to past and future change in the Eurasian Arctic Ocean R. Tuerena et al. 10.1007/s13280-021-01673-0
- Tracing the role of Arctic shelf processes in Si and N cycling and export through the Fram Strait: insights from combined silicon and nitrate isotopes M. Debyser et al. 10.5194/bg-19-5499-2022
- Isotope constraints on nitrogen dynamics in the upper water column of the South China Sea X. Yan et al. 10.3389/fmars.2022.1104135
- Key biogeochemical processes and source apportionment of nitrate in the Bohai Sea based on nitrate stable isotopes K. Yu et al. 10.1016/j.marpolbul.2024.116617
- Multi‐decadal trends in biomarkers in harp seal teeth from the North Atlantic reveal the influence of prey availability on seal trophic position C. de la Vega et al. 10.1111/gcb.16889
- Atlantic inflow is the primary driver of remotely sensed autumn blooms in the Barents Sea A. Orkney et al. 10.3354/meps14201
- An Arctic Strait of Two Halves: The Changing Dynamics of Nutrient Uptake and Limitation Across the Fram Strait R. Tuerena et al. 10.1029/2021GB006961
- Impact of shipping emissions on air pollution and pollutant deposition over the Barents Sea J. Raut et al. 10.1016/j.envpol.2022.118832
- Benthic Organic Matter Transformation Drives pH and Carbonate Chemistry in Arctic Marine Sediments F. Freitas et al. 10.1029/2021GB007187
- Comparison Between Trophic Positions in the Barents Sea Estimated From Stable Isotope Data and a Mass Balance Model T. Pedersen 10.3389/fmars.2022.813977
- Still Arctic?—The changing Barents Sea S. Gerland et al. 10.1525/elementa.2022.00088
16 citations as recorded by crossref.
- Nutrient concentrations in minke whale faeces and the potential impact on dissolved nutrient pools off Svalbard, Norway C. Freitas et al. 10.1016/j.pocean.2022.102927
- Water mass influence on spatial and seasonal distributions of diatoms, dinoflagellates and coccolithophores in the western Barents Sea Q. Luan et al. 10.1007/s00300-024-03255-8
- Analysis of nitrogen migration and transformation in the typical deep and large reservoir of the Lancang River — Evidence from nitrogen and oxygen isotopes Y. Bao et al. 10.1016/j.jhydrol.2024.131701
- Nitrate isotope investigations reveal future impacts of climate change on nitrogen inputs and cycling in Arctic fjords: Kongsfjorden and Rijpfjorden (Svalbard) M. Santos-Garcia et al. 10.5194/bg-19-5973-2022
- Oceanographic and biogeochemical drivers cause divergent trends in the nitrogen isoscape in a changing Arctic Ocean P. Buchanan et al. 10.1007/s13280-021-01635-6
- Nutrient pathways and their susceptibility to past and future change in the Eurasian Arctic Ocean R. Tuerena et al. 10.1007/s13280-021-01673-0
- Tracing the role of Arctic shelf processes in Si and N cycling and export through the Fram Strait: insights from combined silicon and nitrate isotopes M. Debyser et al. 10.5194/bg-19-5499-2022
- Isotope constraints on nitrogen dynamics in the upper water column of the South China Sea X. Yan et al. 10.3389/fmars.2022.1104135
- Key biogeochemical processes and source apportionment of nitrate in the Bohai Sea based on nitrate stable isotopes K. Yu et al. 10.1016/j.marpolbul.2024.116617
- Multi‐decadal trends in biomarkers in harp seal teeth from the North Atlantic reveal the influence of prey availability on seal trophic position C. de la Vega et al. 10.1111/gcb.16889
- Atlantic inflow is the primary driver of remotely sensed autumn blooms in the Barents Sea A. Orkney et al. 10.3354/meps14201
- An Arctic Strait of Two Halves: The Changing Dynamics of Nutrient Uptake and Limitation Across the Fram Strait R. Tuerena et al. 10.1029/2021GB006961
- Impact of shipping emissions on air pollution and pollutant deposition over the Barents Sea J. Raut et al. 10.1016/j.envpol.2022.118832
- Benthic Organic Matter Transformation Drives pH and Carbonate Chemistry in Arctic Marine Sediments F. Freitas et al. 10.1029/2021GB007187
- Comparison Between Trophic Positions in the Barents Sea Estimated From Stable Isotope Data and a Mass Balance Model T. Pedersen 10.3389/fmars.2022.813977
- Still Arctic?—The changing Barents Sea S. Gerland et al. 10.1525/elementa.2022.00088
Latest update: 08 May 2025
Short summary
The Barents Sea is a rapidly changing shallow sea within the Arctic. Here, nitrate, an essential nutrient, is fully consumed by algae in surface waters during summer months. Nitrate is efficiently regenerated in the Barents Sea, and there is no evidence for nitrogen loss from the sediments by denitrification, which is prevalent on other Arctic shelves. This suggests that nitrogen availability in the Barents Sea is largely determined by the supply of nutrients in water masses from the Atlantic.
The Barents Sea is a rapidly changing shallow sea within the Arctic. Here, nitrate, an...
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