Articles | Volume 18, issue 23
https://doi.org/10.5194/bg-18-6349-2021
© 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-18-6349-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Dec 2021
Research article |
| 13 Dec 2021
| 13 Dec 2021
Seasonal dispersal of fjord meltwaters as an important source of iron and manganese to coastal Antarctic phytoplankton
Scripps Institution of Oceanography, University of California San
Diego, La Jolla, 92037, USA
Lisa Hahn-Woernle
Department of Oceanography, University of Hawai'i, Manoa, 96822, USA
Robert M. Sherrell
Departments of Marine and Coastal Sciences and Earth and Planetary
Sciences, Rutgers University, New Brunswick, 08901, USA
Vincent J. Roccanova
Departments of Marine and Coastal Sciences and Earth and Planetary
Sciences, Rutgers University, New Brunswick, 08901, USA
Kaixuan Bu
Departments of Marine and Coastal Sciences and Earth and Planetary
Sciences, Rutgers University, New Brunswick, 08901, USA
David Burdige
Department of Ocean & Earth Sciences, Old Dominion University,
Norfolk, 23529, USA
Maria Vernet
Scripps Institution of Oceanography, University of California San
Diego, La Jolla, 92037, USA
Katherine A. Barbeau
Scripps Institution of Oceanography, University of California San
Diego, La Jolla, 92037, USA
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Cited
23 citations as recorded by crossref.
- Glacier‐Derived Particles as a Regional Control on Marine Dissolved Pb Concentrations J. Krause et al. 10.1029/2023JG007514
- Glacial interglacial variations in the natural iron fertilization during the low sea ice periods along the eastern continental margin of Antarctica T. Sarathchandraprasad et al. 10.1016/j.scitotenv.2024.176745
- Seasonal Dynamics of Dissolved Iron on the Antarctic Continental Shelf: Late‐Fall Observations From the Terra Nova Bay and Ross Ice Shelf Polynyas P. Sedwick et al. 10.1029/2022JC018999
- Iron (hydr)oxide formation in Andosols under extreme climate conditions B. Klaes et al. 10.1038/s41598-023-29727-1
- Increased sea ice melt as a driver of enhanced Arctic phytoplankton blooming A. Castagno et al. 10.1111/gcb.16815
- Distribution of dissolved aluminum and dissolved iron in Kongsfjorden: A glacial fjord in the Arctic Z. Shen et al. 10.1016/j.marchem.2024.104399
- Distributions of nutrients, trace metals, phytoplankton composition, and elemental consumption in the Ross and Amundsen Seas Y. Ge et al. 10.1016/j.marchem.2024.104436
- Manganese reduction and associated microbial communities in Antarctic surface sediments L. Wunder et al. 10.3389/fmicb.2024.1398021
- Iron biogeochemistry in sediments on the western continental shelf of the Antarctic Peninsula D. Burdige & J. Christensen 10.1016/j.gca.2022.03.013
- Spatiotemporal variability of dissolved inorganic macronutrients along the northern Antarctic Peninsula (1996–2019) T. Monteiro et al. 10.1002/lno.12424
- Impacts of glacial discharge on the primary production in a Greenlandic fjord Y. Hoshiba et al. 10.1038/s41598-024-64529-z
- Fjord circulation permits a persistent subsurface water mass in a long, deep mid-latitude inlet L. Bianucci et al. 10.5194/os-20-293-2024
- Internal tsunamigenesis and ocean mixing driven by glacier calving in Antarctica M. Meredith et al. 10.1126/sciadv.add0720
- Potential interactions between diatoms and bacteria are shaped by trace element gradients in the Southern Ocean A. Sterling et al. 10.3389/fmars.2022.876830
- Iron and silicic acid addition effects on early spring macronutrient drawdown and biogenic silica production of Patagonia estuarine waters R. Torres et al. 10.1016/j.pocean.2023.102982
- Meltwater Discharge From Marine‐Terminating Glaciers Drives Biogeochemical Conditions in a Greenlandic Fjord N. Kanna et al. 10.1029/2022GB007411
- Influence of glacial influx on the hydrodynamics of Admiralty Bay, Antarctica - study based on combined hydrographic measurements and numerical modeling M. Osińska & A. Herman 10.3389/fmars.2024.1365157
- Sensitivity of the Relationship Between Antarctic Ice Shelves and Iron Supply to Projected Changes in the Atmospheric Forcing M. Dinniman et al. 10.1029/2022JC019210
- Phytoplankton dynamics in nearshore regions of the western Antarctic Peninsula in relation to a variable frontal zone in the Gerlache Strait M. Mascioni et al. 10.3389/fmars.2023.1139293
- Identifying potential sources of iron-binding ligands in coastal Antarctic environments and the wider Southern Ocean A. Smith et al. 10.3389/fmars.2022.948772
- Trace Element (Fe, Co, Ni and Cu) Dynamics Across the Salinity Gradient in Arctic and Antarctic Glacier Fjords J. Krause et al. 10.3389/feart.2021.725279
- Remote sensing of sea surface glacial meltwater on the Antarctic Peninsula shelf B. Pan et al. 10.3389/fmars.2023.1209159
- Iron Limitation and Biogeochemical Effects in Southern California Current Coastal Upwelling Filaments K. Forsch et al. 10.1029/2023JC019961
20 citations as recorded by crossref.
- Glacier‐Derived Particles as a Regional Control on Marine Dissolved Pb Concentrations J. Krause et al. 10.1029/2023JG007514
- Glacial interglacial variations in the natural iron fertilization during the low sea ice periods along the eastern continental margin of Antarctica T. Sarathchandraprasad et al. 10.1016/j.scitotenv.2024.176745
- Seasonal Dynamics of Dissolved Iron on the Antarctic Continental Shelf: Late‐Fall Observations From the Terra Nova Bay and Ross Ice Shelf Polynyas P. Sedwick et al. 10.1029/2022JC018999
- Iron (hydr)oxide formation in Andosols under extreme climate conditions B. Klaes et al. 10.1038/s41598-023-29727-1
- Increased sea ice melt as a driver of enhanced Arctic phytoplankton blooming A. Castagno et al. 10.1111/gcb.16815
- Distribution of dissolved aluminum and dissolved iron in Kongsfjorden: A glacial fjord in the Arctic Z. Shen et al. 10.1016/j.marchem.2024.104399
- Distributions of nutrients, trace metals, phytoplankton composition, and elemental consumption in the Ross and Amundsen Seas Y. Ge et al. 10.1016/j.marchem.2024.104436
- Manganese reduction and associated microbial communities in Antarctic surface sediments L. Wunder et al. 10.3389/fmicb.2024.1398021
- Iron biogeochemistry in sediments on the western continental shelf of the Antarctic Peninsula D. Burdige & J. Christensen 10.1016/j.gca.2022.03.013
- Spatiotemporal variability of dissolved inorganic macronutrients along the northern Antarctic Peninsula (1996–2019) T. Monteiro et al. 10.1002/lno.12424
- Impacts of glacial discharge on the primary production in a Greenlandic fjord Y. Hoshiba et al. 10.1038/s41598-024-64529-z
- Fjord circulation permits a persistent subsurface water mass in a long, deep mid-latitude inlet L. Bianucci et al. 10.5194/os-20-293-2024
- Internal tsunamigenesis and ocean mixing driven by glacier calving in Antarctica M. Meredith et al. 10.1126/sciadv.add0720
- Potential interactions between diatoms and bacteria are shaped by trace element gradients in the Southern Ocean A. Sterling et al. 10.3389/fmars.2022.876830
- Iron and silicic acid addition effects on early spring macronutrient drawdown and biogenic silica production of Patagonia estuarine waters R. Torres et al. 10.1016/j.pocean.2023.102982
- Meltwater Discharge From Marine‐Terminating Glaciers Drives Biogeochemical Conditions in a Greenlandic Fjord N. Kanna et al. 10.1029/2022GB007411
- Influence of glacial influx on the hydrodynamics of Admiralty Bay, Antarctica - study based on combined hydrographic measurements and numerical modeling M. Osińska & A. Herman 10.3389/fmars.2024.1365157
- Sensitivity of the Relationship Between Antarctic Ice Shelves and Iron Supply to Projected Changes in the Atmospheric Forcing M. Dinniman et al. 10.1029/2022JC019210
- Phytoplankton dynamics in nearshore regions of the western Antarctic Peninsula in relation to a variable frontal zone in the Gerlache Strait M. Mascioni et al. 10.3389/fmars.2023.1139293
- Identifying potential sources of iron-binding ligands in coastal Antarctic environments and the wider Southern Ocean A. Smith et al. 10.3389/fmars.2022.948772
3 citations as recorded by crossref.
- Trace Element (Fe, Co, Ni and Cu) Dynamics Across the Salinity Gradient in Arctic and Antarctic Glacier Fjords J. Krause et al. 10.3389/feart.2021.725279
- Remote sensing of sea surface glacial meltwater on the Antarctic Peninsula shelf B. Pan et al. 10.3389/fmars.2023.1209159
- Iron Limitation and Biogeochemical Effects in Southern California Current Coastal Upwelling Filaments K. Forsch et al. 10.1029/2023JC019961
Latest update: 13 Dec 2024
Short summary
We show that for an unperturbed cold western Antarctic Peninsula fjord, the seasonality of iron and manganese is linked to the dispersal of metal-rich meltwater sources. Geochemical measurements of trace metals in meltwaters, porewaters, and seawater, collected during two expeditions, showed a seasonal cycle of distinct sources. Finally, model results revealed that the dispersal of surface meltwater and meltwater plumes originating from under the glacier is sensitive to katabatic wind events.
We show that for an unperturbed cold western Antarctic Peninsula fjord, the seasonality of iron...
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