Articles | Volume 20, issue 2
https://doi.org/10.5194/bg-20-405-2023
© Author(s) 2023. 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-20-405-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Tracing differences in iron supply to the Mid-Atlantic Ridge valley between hydrothermal vent sites: implications for the addition of iron to the deep ocean
Alastair J. M. Lough
CORRESPONDING AUTHOR
Ocean & Earth Science, University of Southampton, Southampton SO14 3ZH, UK
now at: School of Geography, University of Leeds, Leeds, LS2 9JT, UK
Alessandro Tagliabue
Earth, Ocean & Ecological Sciences, Liverpool L69 3BX, UK
Clément Demasy
Ocean & Earth Science, University of Southampton, Southampton SO14 3ZH, UK
Joseph A. Resing
Cooperative Institute for Climate, Oceans, and Ecosystem Studies, University of Washington and NOAA-PMEL, Seattle, WA 98115, USA
Travis Mellett
College of Marine Science, University of South Florida, St. Petersburg, FL 33701, USA
Neil J. Wyatt
Ocean & Earth Science, University of Southampton, Southampton SO14 3ZH, UK
Maeve C. Lohan
Ocean & Earth Science, University of Southampton, Southampton SO14 3ZH, UK
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Cited
12 citations as recorded by crossref.
- The “Net” Impact of Hydrothermal Venting on Oceanic Elemental Inventories: Contributions to Plume Geochemistry from the International GEOTRACES Program J. Fitzsimmons & J. Steffen https://doi.org/10.5670/oceanog.2024.421
- Investigation of hydrothermal activity in the South West Indian ridge region using Ra isotopes and 227Ac as tracers M. Léon et al. https://doi.org/10.1016/j.pocean.2023.103191
- Fractionation of iron and chromium isotopes in hydrothermal plumes from the northern Mid-Atlantic Ridge W. Wang et al. https://doi.org/10.1016/j.epsl.2023.118468
- Microbial strong organic-ligand production is tightly coupled to iron in hydrothermal plumes C. Hoffman et al. https://doi.org/10.5194/bg-21-5233-2024
- The role of humic-type ligands in the bioavailability and stabilization of dissolved iron in the Western Tropical South Pacific Ocean G. Dulaquais et al. https://doi.org/10.3389/fmars.2023.1219594
- The PMEL Earth-Ocean Interactions Program: Beyond Vents D. Butterfield et al. https://doi.org/10.5670/oceanog.2023.229
- A hydrothermal plume on the Southwest Indian Ridge revealed by a multi-proxy approach: Impact on iron and manganese distributions (GEOTRACES GS02) C. Baudet et al. https://doi.org/10.1016/j.marchem.2024.104401
- Revisit of hydrothermal plumes along 63°- 64°E of Carlsberg ridge: A comprehensive survey to assess physicochemical features of non-buoyant plumes L. Fernandes et al. https://doi.org/10.1016/j.jmarsys.2026.104281
- Organic iron-binding ligands mediate dissolved-particulate exchange in hydrothermal vent plumes along the Mid-Atlantic Ridge T. Mellett et al. https://doi.org/10.5194/bg-22-8013-2025
- The EMSO-Azores deep-sea observatory: 15 years of multidisciplinary studies of the lucky strike hydrothermal system, from sub-seafloor to the water column M. Matabos et al. https://doi.org/10.1016/j.seares.2025.102625
- Iron’s irony: speciation, complexation & microbial processing of Fe in hydrothermal plumes S. Bühring et al. https://doi.org/10.1038/s43247-025-02839-4
- Tracing the contribution of dust origins on deposition and phytoplankton carbon uptake in global oceans Y. Liu et al. https://doi.org/10.5194/bg-22-6445-2025
12 citations as recorded by crossref.
- The “Net” Impact of Hydrothermal Venting on Oceanic Elemental Inventories: Contributions to Plume Geochemistry from the International GEOTRACES Program J. Fitzsimmons & J. Steffen https://doi.org/10.5670/oceanog.2024.421
- Investigation of hydrothermal activity in the South West Indian ridge region using Ra isotopes and 227Ac as tracers M. Léon et al. https://doi.org/10.1016/j.pocean.2023.103191
- Fractionation of iron and chromium isotopes in hydrothermal plumes from the northern Mid-Atlantic Ridge W. Wang et al. https://doi.org/10.1016/j.epsl.2023.118468
- Microbial strong organic-ligand production is tightly coupled to iron in hydrothermal plumes C. Hoffman et al. https://doi.org/10.5194/bg-21-5233-2024
- The role of humic-type ligands in the bioavailability and stabilization of dissolved iron in the Western Tropical South Pacific Ocean G. Dulaquais et al. https://doi.org/10.3389/fmars.2023.1219594
- The PMEL Earth-Ocean Interactions Program: Beyond Vents D. Butterfield et al. https://doi.org/10.5670/oceanog.2023.229
- A hydrothermal plume on the Southwest Indian Ridge revealed by a multi-proxy approach: Impact on iron and manganese distributions (GEOTRACES GS02) C. Baudet et al. https://doi.org/10.1016/j.marchem.2024.104401
- Revisit of hydrothermal plumes along 63°- 64°E of Carlsberg ridge: A comprehensive survey to assess physicochemical features of non-buoyant plumes L. Fernandes et al. https://doi.org/10.1016/j.jmarsys.2026.104281
- Organic iron-binding ligands mediate dissolved-particulate exchange in hydrothermal vent plumes along the Mid-Atlantic Ridge T. Mellett et al. https://doi.org/10.5194/bg-22-8013-2025
- The EMSO-Azores deep-sea observatory: 15 years of multidisciplinary studies of the lucky strike hydrothermal system, from sub-seafloor to the water column M. Matabos et al. https://doi.org/10.1016/j.seares.2025.102625
- Iron’s irony: speciation, complexation & microbial processing of Fe in hydrothermal plumes S. Bühring et al. https://doi.org/10.1038/s43247-025-02839-4
- Tracing the contribution of dust origins on deposition and phytoplankton carbon uptake in global oceans Y. Liu et al. https://doi.org/10.5194/bg-22-6445-2025
Saved (final revised paper)
Latest update: 11 Aug 2026
Short summary
Iron is a key nutrient for ocean primary productivity. Hydrothermal vents are a source of iron to the oceans, but the size of this source is poorly understood. This study examines the variability in iron inputs between hydrothermal vents in different geological settings. The vents studied release different amounts of Fe, resulting in plumes with similar dissolved iron concentrations but different particulate concentrations. This will help to refine modelling of iron-limited ocean productivity.
Iron is a key nutrient for ocean primary productivity. Hydrothermal vents are a source of iron...
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