Articles | Volume 19, issue 14
https://doi.org/10.5194/bg-19-3445-2022
© 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-19-3445-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
21 Jul 2022
Research article |
| 21 Jul 2022
| 21 Jul 2022
Benthic silicon cycling in the Arctic Barents Sea: a reaction–transport model study
James P. J. Ward
CORRESPONDING AUTHOR
School of Earth Sciences, University of Bristol, Bristol, BS8 1QE, UK
Katharine R. Hendry
School of Earth Sciences, University of Bristol, Bristol, BS8 1QE, UK
British Antarctic Survey, Cambridge, CB3 0ET, UK
Sandra Arndt
BGeoSys, Department of Geosciences, Université libre de Bruxelles, Brussels, CP160/03 1050, Belgium
Johan C. Faust
MARUM – Center for Marine Environmental Sciences, University of Bremen, 28359 Bremen, Germany
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
Felipe S. Freitas
School of Earth Sciences, University of Bristol, Bristol, BS8 1QE, UK
BGeoSys, Department of Geosciences, Université libre de Bruxelles, Brussels, CP160/03 1050, Belgium
Sian F. Henley
School of GeoSciences, The University of Edinburgh, Edinburgh, EH9 3FE, UK
Jeffrey W. Krause
Dauphin Island Sea Lab, Dauphin Island, AL, USA
School of Marine and Environmental Sciences, University of South Alabama, Mobile, AL, USA
Christian März
School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
Institute for Geosciences, University of Bonn, 853115 Bonn, Germany
Allyson C. Tessin
Department of Geology, Kent State University, Kent, OH, USA
Ruth L. Airs
Plymouth Marine Laboratory, Prospect Place, Plymouth, PL1 3DH, UK
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Cited
11 citations as recorded by crossref.
- The Role of Coastal Yedoma Deposits and Continental Shelf Sediments in the Arctic Ocean Silicon Cycle N. Ray et al. 10.1029/2023GB007746
- Diatom silicon isotope ratios in Quaternary research: Where do we stand? P. Frings et al. 10.1016/j.quascirev.2024.108966
- Insights into silicon cycling from ice sheet to coastal ocean from isotope geochemistry K. Hendry et al. 10.1038/s43247-025-02264-7
- Benthic contribution to seasonal silica budgets in two macrotidal estuaries in North-Western France M. Raimonet et al. 10.3389/fmars.2023.1269142
- Unprecedented sea-ice minima enhances algal production deposited at the Arctic seafloor M. Stevenson et al. 10.1088/1748-9326/ad044a
- An investigation into the characteristics of reactive silicon pools of coastal marine sediments R. Pickering et al. 10.1016/j.csr.2023.105126
- Biogenic Si cycling along the Cocos Ridge: differences between in situ and ex situ extracted pore waters imply rapid rates of dissolved Si uptake upon core recovery M. Quinan et al. 10.1016/j.dsr.2025.104554
- Silicon isotopes reveal the impact of fjordic processes on the transport of reactive silicon from glaciers to coastal regions T. Wang et al. 10.1016/j.chemgeo.2024.122403
- 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
- Benthic Dissolved Silicon and Iron Cycling at Glaciated Patagonian Fjord Heads H. Ng et al. 10.1029/2022GB007493
- The Importance of Riverine Nutrient Supply for the Marine Silica Pump of Arctic Shelves: Evidence From the Laptev Sea M. Debyser et al. 10.1029/2023GB007828
10 citations as recorded by crossref.
- The Role of Coastal Yedoma Deposits and Continental Shelf Sediments in the Arctic Ocean Silicon Cycle N. Ray et al. 10.1029/2023GB007746
- Diatom silicon isotope ratios in Quaternary research: Where do we stand? P. Frings et al. 10.1016/j.quascirev.2024.108966
- Insights into silicon cycling from ice sheet to coastal ocean from isotope geochemistry K. Hendry et al. 10.1038/s43247-025-02264-7
- Benthic contribution to seasonal silica budgets in two macrotidal estuaries in North-Western France M. Raimonet et al. 10.3389/fmars.2023.1269142
- Unprecedented sea-ice minima enhances algal production deposited at the Arctic seafloor M. Stevenson et al. 10.1088/1748-9326/ad044a
- An investigation into the characteristics of reactive silicon pools of coastal marine sediments R. Pickering et al. 10.1016/j.csr.2023.105126
- Biogenic Si cycling along the Cocos Ridge: differences between in situ and ex situ extracted pore waters imply rapid rates of dissolved Si uptake upon core recovery M. Quinan et al. 10.1016/j.dsr.2025.104554
- Silicon isotopes reveal the impact of fjordic processes on the transport of reactive silicon from glaciers to coastal regions T. Wang et al. 10.1016/j.chemgeo.2024.122403
- 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
- Benthic Dissolved Silicon and Iron Cycling at Glaciated Patagonian Fjord Heads H. Ng et al. 10.1029/2022GB007493
Latest update: 15 Oct 2025
Short summary
The seafloor plays an important role in the cycling of silicon (Si), a key nutrient that promotes marine primary productivity. In our model study, we disentangle major controls on the seafloor Si cycle to better anticipate the impacts of continued warming and sea ice melt in the Barents Sea. We uncover a coupling of the iron redox and Si cycles, dissolution of lithogenic silicates, and authigenic clay formation, comprising a Si sink that could have implications for the Arctic Ocean Si budget.
The seafloor plays an important role in the cycling of silicon (Si), a key nutrient that...
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