Articles | Volume 12, issue 5
https://doi.org/10.5194/bg-12-1415-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/bg-12-1415-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| Highlight paper
| 
05 Mar 2015
Research article | Highlight paper |
| 05 Mar 2015
Use of Ra isotopes to deduce rapid transfer of sediment-derived inputs off Kerguelen
V. Sanial
CORRESPONDING AUTHOR
LEGOS, Laboratoire d'Etudes en Géophysique et Océanographie Spatiales, (CNRS-CNES-IRD-UPS), Observatoire Midi Pyrénées, 14 avenue Edouard Belin, 31400 Toulouse, France
P. van Beek
LEGOS, Laboratoire d'Etudes en Géophysique et Océanographie Spatiales, (CNRS-CNES-IRD-UPS), Observatoire Midi Pyrénées, 14 avenue Edouard Belin, 31400 Toulouse, France
B. Lansard
LEGOS, Laboratoire d'Etudes en Géophysique et Océanographie Spatiales, (CNRS-CNES-IRD-UPS), Observatoire Midi Pyrénées, 14 avenue Edouard Belin, 31400 Toulouse, France
LSCE, Laboratoire des Sciences du Climat et de l'Environnement (IPSL-CEA-CNRS-UVSQ-IPSL), avenue de la Terrasse, 91198 Gif-sur-Yvette, France
M. Souhaut
LEGOS, Laboratoire d'Etudes en Géophysique et Océanographie Spatiales, (CNRS-CNES-IRD-UPS), Observatoire Midi Pyrénées, 14 avenue Edouard Belin, 31400 Toulouse, France
E. Kestenare
LEGOS, Laboratoire d'Etudes en Géophysique et Océanographie Spatiales, (CNRS-CNES-IRD-UPS), Observatoire Midi Pyrénées, 14 avenue Edouard Belin, 31400 Toulouse, France
F. d'Ovidio
Sorbonne Universités, UPMC Univ Paris 06, CNRS, LOCEAN-IPSL, 4 place Jussieu, 75005 Paris, France
M. Zhou
Department of Environment Earth and Ocean Sciences, University of Massachusetts Boston, Boston, Massachusetts, USA
S. Blain
Sorbonne Universités, UPMC Univ Paris 06, UMR7621, Laboratoire d'Océanographie Microbienne, Observatoire Océanologie, 66650 Banyuls/mer, France
CNRS, UMR7621, Laboratoire d'Océanologie Microbienne, Observatoire Océanologie, 66650 Banyuls/mer, France
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Cited
25 citations as recorded by crossref.
- The Solomon Sea: its circulation, chemistry, geochemistry and biology explored during two oceanographic cruises A. Ganachaud et al. 10.1525/elementa.221
- Iron budgets for three distinct biogeochemical sites around the Kerguelen Archipelago (Southern Ocean) during the natural fertilisation study, KEOPS-2 A. Bowie et al. 10.5194/bg-12-4421-2015
- The biogeochemical structuring role of horizontal stirring: Lagrangian perspectives on iron delivery downstream of the Kerguelen Plateau F. d'Ovidio et al. 10.5194/bg-12-5567-2015
- Production regime and associated N cycling in the vicinity of Kerguelen Island, Southern Ocean A. Cavagna et al. 10.5194/bg-12-6515-2015
- Differentiating Lithogenic Supplies, Water Mass Transport, and Biological Processes On and Off the Kerguelen Plateau Using Rare Earth Element Concentrations and Neodymium Isotopic Compositions M. Grenier et al. 10.3389/fmars.2018.00426
- Plankton community structure in response to hydrothermal iron inputs along the Tonga-Kermadec arc Z. Mériguet et al. 10.3389/fmars.2023.1232923
- Seasonal Meandering of the Polar Front Upstream of the Kerguelen Plateau E. Pauthenet et al. 10.1029/2018GL079614
- Estimates of tidal mixing in the Indonesian archipelago from multidisciplinary INDOMIX in-situ data A. Koch-Larrouy et al. 10.1016/j.dsr.2015.09.007
- Unveiling the Si cycle using isotopes in an iron-fertilized zone of the Southern Ocean: from mixed-layer supply to export I. Closset et al. 10.5194/bg-13-6049-2016
- Delineating environmental control of phytoplankton biomass and phenology in the Southern Ocean M. Ardyna et al. 10.1002/2016GL072428
- 226Ra, 228Ra and 40K as tracers of erosion and accumulation processes: A 3-year study on a beach with different sediment dynamics A. Arriola-Velásquez et al. 10.1016/j.catena.2021.105705
- Comparison of methods to determine extraction efficiencies of Ra isotopes and 227Ac from large volume seawater samples M. Léon et al. 10.1016/j.marchem.2023.104328
- Cross‐Shore Flow and Implications for Carbon Export in the California Current Ecosystem: A Lagrangian Analysis P. Chabert et al. 10.1029/2020JC016611
- Investigation of hydrothermal activity in the South West Indian ridge region using Ra isotopes and 227Ac as tracers M. Léon et al. 10.1016/j.pocean.2023.103191
- Interaction of the Antarctic Circumpolar Current With Seamounts Fuels Moderate Blooms but Vast Foraging Grounds for Multiple Marine Predators S. Sergi et al. 10.3389/fmars.2020.00416
- Use of 223Ra and 224Ra as chronometers to estimate the residence time of Amazon waters on the Brazilian continental shelf M. Léon et al. 10.1002/lno.12010
- Radium isotopes as submarine groundwater discharge (SGD) tracers: Review and recommendations J. Garcia-Orellana et al. 10.1016/j.earscirev.2021.103681
- New insights on the 7Be cycle in the ocean M. Grenier et al. 10.1016/j.dsr.2023.103967
- Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean M. Ardyna et al. 10.1038/s41467-019-09973-6
- Quantifying Lithogenic Inputs to the Southern Ocean Using Long-Lived Thorium Isotopes H. Pérez-Tribouillier et al. 10.3389/fmars.2020.00207
- High variability in dissolved iron concentrations in the vicinity of the Kerguelen Islands (Southern Ocean) F. Quéroué et al. 10.5194/bg-12-3869-2015
- Chemometric perspectives on plankton community responses to natural iron fertilisation over and downstream of the Kerguelen Plateau in the Southern Ocean T. Trull et al. 10.5194/bg-12-1029-2015
- Sourcing the iron in the naturally fertilised bloom around the Kerguelen Plateau: particulate trace metal dynamics P. van der Merwe et al. 10.5194/bg-12-739-2015
- Wind-induced upwelling in the Kerguelen Plateau region S. Gille et al. 10.5194/bg-11-6389-2014
- Dissolved greenhouse gases (nitrous oxide and methane) associated with the naturally iron-fertilized Kerguelen region (KEOPS 2 cruise) in the Southern Ocean L. Farías et al. 10.5194/bg-12-1925-2015
21 citations as recorded by crossref.
- The Solomon Sea: its circulation, chemistry, geochemistry and biology explored during two oceanographic cruises A. Ganachaud et al. 10.1525/elementa.221
- Iron budgets for three distinct biogeochemical sites around the Kerguelen Archipelago (Southern Ocean) during the natural fertilisation study, KEOPS-2 A. Bowie et al. 10.5194/bg-12-4421-2015
- The biogeochemical structuring role of horizontal stirring: Lagrangian perspectives on iron delivery downstream of the Kerguelen Plateau F. d'Ovidio et al. 10.5194/bg-12-5567-2015
- Production regime and associated N cycling in the vicinity of Kerguelen Island, Southern Ocean A. Cavagna et al. 10.5194/bg-12-6515-2015
- Differentiating Lithogenic Supplies, Water Mass Transport, and Biological Processes On and Off the Kerguelen Plateau Using Rare Earth Element Concentrations and Neodymium Isotopic Compositions M. Grenier et al. 10.3389/fmars.2018.00426
- Plankton community structure in response to hydrothermal iron inputs along the Tonga-Kermadec arc Z. Mériguet et al. 10.3389/fmars.2023.1232923
- Seasonal Meandering of the Polar Front Upstream of the Kerguelen Plateau E. Pauthenet et al. 10.1029/2018GL079614
- Estimates of tidal mixing in the Indonesian archipelago from multidisciplinary INDOMIX in-situ data A. Koch-Larrouy et al. 10.1016/j.dsr.2015.09.007
- Unveiling the Si cycle using isotopes in an iron-fertilized zone of the Southern Ocean: from mixed-layer supply to export I. Closset et al. 10.5194/bg-13-6049-2016
- Delineating environmental control of phytoplankton biomass and phenology in the Southern Ocean M. Ardyna et al. 10.1002/2016GL072428
- 226Ra, 228Ra and 40K as tracers of erosion and accumulation processes: A 3-year study on a beach with different sediment dynamics A. Arriola-Velásquez et al. 10.1016/j.catena.2021.105705
- Comparison of methods to determine extraction efficiencies of Ra isotopes and 227Ac from large volume seawater samples M. Léon et al. 10.1016/j.marchem.2023.104328
- Cross‐Shore Flow and Implications for Carbon Export in the California Current Ecosystem: A Lagrangian Analysis P. Chabert et al. 10.1029/2020JC016611
- Investigation of hydrothermal activity in the South West Indian ridge region using Ra isotopes and 227Ac as tracers M. Léon et al. 10.1016/j.pocean.2023.103191
- Interaction of the Antarctic Circumpolar Current With Seamounts Fuels Moderate Blooms but Vast Foraging Grounds for Multiple Marine Predators S. Sergi et al. 10.3389/fmars.2020.00416
- Use of 223Ra and 224Ra as chronometers to estimate the residence time of Amazon waters on the Brazilian continental shelf M. Léon et al. 10.1002/lno.12010
- Radium isotopes as submarine groundwater discharge (SGD) tracers: Review and recommendations J. Garcia-Orellana et al. 10.1016/j.earscirev.2021.103681
- New insights on the 7Be cycle in the ocean M. Grenier et al. 10.1016/j.dsr.2023.103967
- Hydrothermal vents trigger massive phytoplankton blooms in the Southern Ocean M. Ardyna et al. 10.1038/s41467-019-09973-6
- Quantifying Lithogenic Inputs to the Southern Ocean Using Long-Lived Thorium Isotopes H. Pérez-Tribouillier et al. 10.3389/fmars.2020.00207
- High variability in dissolved iron concentrations in the vicinity of the Kerguelen Islands (Southern Ocean) F. Quéroué et al. 10.5194/bg-12-3869-2015
4 citations as recorded by crossref.
- Chemometric perspectives on plankton community responses to natural iron fertilisation over and downstream of the Kerguelen Plateau in the Southern Ocean T. Trull et al. 10.5194/bg-12-1029-2015
- Sourcing the iron in the naturally fertilised bloom around the Kerguelen Plateau: particulate trace metal dynamics P. van der Merwe et al. 10.5194/bg-12-739-2015
- Wind-induced upwelling in the Kerguelen Plateau region S. Gille et al. 10.5194/bg-11-6389-2014
- Dissolved greenhouse gases (nitrous oxide and methane) associated with the naturally iron-fertilized Kerguelen region (KEOPS 2 cruise) in the Southern Ocean L. Farías et al. 10.5194/bg-12-1925-2015
Saved (final revised paper)
Latest update: 13 Dec 2024
Short summary
We investigated the origin and mechanisms of the natural iron fertilization that sustains a phytoplankton bloom downstream of the Kerguelen Islands. We used radium isotopes to trace the fate of shelf waters that may transport iron and other micronutrients towards offshore waters. We show that shelf waters are rapidly transferred offshore and may be transported across the polar front (PF). The PF may thus not be a strong physical barrier for chemical elements released by the shelf sediments.
We investigated the origin and mechanisms of the natural iron fertilization that sustains a...
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