Articles | Volume 15, issue 16
https://doi.org/10.5194/bg-15-4973-2018
© Author(s) 2018. 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-15-4973-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Aug 2018
Research article |
| 22 Aug 2018
| 22 Aug 2018
Mechanisms of dissolved and labile particulate iron supply to shelf waters and phytoplankton blooms off South Georgia, Southern Ocean
Ocean and Earth Science, National Oceanography Centre Southampton,
University of Southampton, SO14 3ZH Southampton, UK
GEOMAR Helmholtz Centre for Ocean Research, Wischhofstr. 1–3, 24148
Kiel, Germany
Katrin Schmidt
British Antarctic Survey, CB3 0ET Cambridge, UK
School of Geography, Earth and Environmental Sciences, University
of Plymouth, PL4 8AA Plymouth, UK
Alfred Aquilina
Ocean and Earth Science, National Oceanography Centre Southampton,
University of Southampton, SO14 3ZH Southampton, UK
William B. Homoky
Ocean and Earth Science, National Oceanography Centre Southampton,
University of Southampton, SO14 3ZH Southampton, UK
Department of Earth Sciences, University of Oxford, OX1 3AN Oxford,
UK
Maxi Castrillejo
Ocean and Earth Science, National Oceanography Centre Southampton,
University of Southampton, SO14 3ZH Southampton, UK
Institut de Ciència i Tecnologia Ambientals & Departament de
Física, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
Rachel A. Mills
Ocean and Earth Science, National Oceanography Centre Southampton,
University of Southampton, SO14 3ZH Southampton, UK
Matthew D. Patey
Ocean and Earth Science, National Oceanography Centre Southampton,
University of Southampton, SO14 3ZH Southampton, UK
Sophie Fielding
British Antarctic Survey, CB3 0ET Cambridge, UK
Angus Atkinson
British Antarctic Survey, CB3 0ET Cambridge, UK
Plymouth Marine Laboratory, Prospect Place, The Hoe, PL1 3DH
Plymouth, UK
Eric P. Achterberg
Ocean and Earth Science, National Oceanography Centre Southampton,
University of Southampton, SO14 3ZH Southampton, UK
GEOMAR Helmholtz Centre for Ocean Research, Wischhofstr. 1–3, 24148
Kiel, Germany
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29 citations as recorded by crossref.
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- Rare Earth Elements in Andaman Island Surface Seawater: Geochemical Tracers for the Monsoon? E. Hathorne et al. 10.3389/fmars.2019.00767
- Iron from coal combustion particles dissolves much faster than mineral dust under simulated atmospheric acidic conditions C. Baldo et al. 10.5194/acp-22-6045-2022
- Review article: How does glacier discharge affect marine biogeochemistry and primary production in the Arctic? M. Hopwood et al. 10.5194/tc-14-1347-2020
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- Canadian Arctic Archipelago Shelf‐Ocean Interactions: A Major Iron Source to Pacific Derived Waters Transiting to the Atlantic M. Colombo et al. 10.1029/2021GB007058
- A database of marine macronutrient, temperature and salinity measurements made around the highly productive island of South Georgia, the Scotia Sea and the Antarctic Peninsula between 1980 and 2009 M. Whitehouse et al. 10.5194/essd-15-211-2023
- Biogeochemical feedbacks may amplify ongoing and future ocean deoxygenation: a case study from the Peruvian oxygen minimum zone K. Wallmann et al. 10.1007/s10533-022-00908-w
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- Variability in the Concentration of Lithium in the Indo‐Pacific Ocean Z. Steiner et al. 10.1029/2021GB007184
- Responses of humpback whales to a changing climate in the Southern Hemisphere: Priorities for research efforts J. Meynecke et al. 10.1111/maec.12616
- Cross frontal variability in bio-optical characteristics in the Indian sector of the Southern Ocean during an austral summer S. Pandi et al. 10.1016/j.rsma.2023.102892
- Iron and sulfate reduction structure microbial communities in (sub-)Antarctic sediments L. Wunder et al. 10.1038/s41396-021-01014-9
- Glacier‐Derived Particles as a Regional Control on Marine Dissolved Pb Concentrations J. Krause et al. 10.1029/2023JG007514
- Authigenic Iron Is a Significant Component of Oceanic Labile Particulate Iron Inventories L. Sofen et al. 10.1029/2023GB007837
- Chromium behavior in a highly urbanized coastal area (Bahía Blanca Estuary, Argentina) A. Forero López et al. 10.1016/j.marpolbul.2021.112093
- The 79°N Glacier cavity modulates subglacial iron export to the NE Greenland Shelf S. Krisch et al. 10.1038/s41467-021-23093-0
- Subsurface Chlorophyll-a Maxima in the Southern Ocean K. Baldry et al. 10.3389/fmars.2020.00671
- Do whales really increase the oceanic removal of atmospheric carbon? J. Meynecke et al. 10.3389/fmars.2023.1117409
- Inputs and processes affecting the distribution of particulate iron in the North Atlantic along the GEOVIDE (GEOTRACES GA01) section A. Gourain et al. 10.5194/bg-16-1563-2019
- Whales in the carbon cycle: can recovery remove carbon dioxide? H. Pearson et al. 10.1016/j.tree.2022.10.012
- The Seasonal Cycle of Nitrogen Uptake and Nitrification in the Atlantic Sector of the Southern Ocean M. Mdutyana et al. 10.1029/2019GB006363
- Salp fecal pellets release more bioavailable iron to Southern Ocean phytoplankton than krill fecal pellets S. Böckmann et al. 10.1016/j.cub.2021.02.033
- Seasonal dispersal of fjord meltwaters as an important source of iron and manganese to coastal Antarctic phytoplankton K. Forsch et al. 10.5194/bg-18-6349-2021
- Temporal variability in the trophic composition of benthic invertebrates in the Indian Sub-Antarctic Ocean E. Puccinelli et al. 10.1016/j.dsr.2020.103340
- Salp Fecal Pellets Release More Bioavailable Iron to Southern Ocean Phytoplankton than Krill Fecal Pellets S. Böckmann et al. 10.2139/ssrn.3753797
- Iron cycling during the decline of a South Georgia diatom bloom J. Ainsworth et al. 10.1016/j.dsr2.2023.105269
- Aluminium in the North Atlantic Ocean and the Labrador Sea (GEOTRACES GA01 section): roles of continental inputs and biogenic particle removal J. Menzel Barraqueta et al. 10.5194/bg-15-5271-2018
28 citations as recorded by crossref.
- On calcium-to-alkalinity anomalies in the North Pacific, Red Sea, Indian Ocean and Southern Ocean Z. Steiner et al. 10.1016/j.gca.2021.03.027
- Potentially bioavailable iron produced through benthic cycling in glaciated Arctic fjords of Svalbard K. Laufer-Meiser et al. 10.1038/s41467-021-21558-w
- Rare Earth Elements in Andaman Island Surface Seawater: Geochemical Tracers for the Monsoon? E. Hathorne et al. 10.3389/fmars.2019.00767
- Iron from coal combustion particles dissolves much faster than mineral dust under simulated atmospheric acidic conditions C. Baldo et al. 10.5194/acp-22-6045-2022
- Review article: How does glacier discharge affect marine biogeochemistry and primary production in the Arctic? M. Hopwood et al. 10.5194/tc-14-1347-2020
- Origin and fate of long-chain polyunsaturated fatty acids in the Kerguelen Islands region (Southern Ocean) in late summer M. Remize et al. 10.1016/j.jmarsys.2021.103693
- Canadian Arctic Archipelago Shelf‐Ocean Interactions: A Major Iron Source to Pacific Derived Waters Transiting to the Atlantic M. Colombo et al. 10.1029/2021GB007058
- A database of marine macronutrient, temperature and salinity measurements made around the highly productive island of South Georgia, the Scotia Sea and the Antarctic Peninsula between 1980 and 2009 M. Whitehouse et al. 10.5194/essd-15-211-2023
- Biogeochemical feedbacks may amplify ongoing and future ocean deoxygenation: a case study from the Peruvian oxygen minimum zone K. Wallmann et al. 10.1007/s10533-022-00908-w
- Penguins and Seals Transport Limiting Nutrients Between Offshore Pelagic and Coastal Regions of Antarctica Under Changing Sea Ice S. Wing et al. 10.1007/s10021-020-00578-5
- Variability in the Concentration of Lithium in the Indo‐Pacific Ocean Z. Steiner et al. 10.1029/2021GB007184
- Responses of humpback whales to a changing climate in the Southern Hemisphere: Priorities for research efforts J. Meynecke et al. 10.1111/maec.12616
- Cross frontal variability in bio-optical characteristics in the Indian sector of the Southern Ocean during an austral summer S. Pandi et al. 10.1016/j.rsma.2023.102892
- Iron and sulfate reduction structure microbial communities in (sub-)Antarctic sediments L. Wunder et al. 10.1038/s41396-021-01014-9
- Glacier‐Derived Particles as a Regional Control on Marine Dissolved Pb Concentrations J. Krause et al. 10.1029/2023JG007514
- Authigenic Iron Is a Significant Component of Oceanic Labile Particulate Iron Inventories L. Sofen et al. 10.1029/2023GB007837
- Chromium behavior in a highly urbanized coastal area (Bahía Blanca Estuary, Argentina) A. Forero López et al. 10.1016/j.marpolbul.2021.112093
- The 79°N Glacier cavity modulates subglacial iron export to the NE Greenland Shelf S. Krisch et al. 10.1038/s41467-021-23093-0
- Subsurface Chlorophyll-a Maxima in the Southern Ocean K. Baldry et al. 10.3389/fmars.2020.00671
- Do whales really increase the oceanic removal of atmospheric carbon? J. Meynecke et al. 10.3389/fmars.2023.1117409
- Inputs and processes affecting the distribution of particulate iron in the North Atlantic along the GEOVIDE (GEOTRACES GA01) section A. Gourain et al. 10.5194/bg-16-1563-2019
- Whales in the carbon cycle: can recovery remove carbon dioxide? H. Pearson et al. 10.1016/j.tree.2022.10.012
- The Seasonal Cycle of Nitrogen Uptake and Nitrification in the Atlantic Sector of the Southern Ocean M. Mdutyana et al. 10.1029/2019GB006363
- Salp fecal pellets release more bioavailable iron to Southern Ocean phytoplankton than krill fecal pellets S. Böckmann et al. 10.1016/j.cub.2021.02.033
- Seasonal dispersal of fjord meltwaters as an important source of iron and manganese to coastal Antarctic phytoplankton K. Forsch et al. 10.5194/bg-18-6349-2021
- Temporal variability in the trophic composition of benthic invertebrates in the Indian Sub-Antarctic Ocean E. Puccinelli et al. 10.1016/j.dsr.2020.103340
- Salp Fecal Pellets Release More Bioavailable Iron to Southern Ocean Phytoplankton than Krill Fecal Pellets S. Böckmann et al. 10.2139/ssrn.3753797
- Iron cycling during the decline of a South Georgia diatom bloom J. Ainsworth et al. 10.1016/j.dsr2.2023.105269
Latest update: 24 Apr 2024
Short summary
Iron (Fe) emanating from the South Georgia shelf system fuels large phytoplankton blooms downstream of the island. However, the actual supply mechanisms of Fe are unclear. We found that shelf-sediment-derived iron and iron released from Antarctic krill control the Fe distribution in the shelf waters around South Georgia. The majority of the Fe appears to be derived from recycling of Fe-enriched particles that are transported with the water masses into the bloom region.
Iron (Fe) emanating from the South Georgia shelf system fuels large phytoplankton blooms...
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