Articles | Volume 19, issue 5
https://doi.org/10.5194/bg-19-1451-2022
© 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-19-1451-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
The impact of the South-East Madagascar Bloom on the oceanic CO2 sink
Nicolas Metzl
CORRESPONDING AUTHOR
Laboratoire LOCEAN (IPSL), Sorbonne Université, CNRS–IRD–MNHN,
Paris, 75005, France
Claire Lo Monaco
Laboratoire LOCEAN (IPSL), Sorbonne Université, CNRS–IRD–MNHN,
Paris, 75005, France
Coraline Leseurre
Laboratoire LOCEAN (IPSL), Sorbonne Université, CNRS–IRD–MNHN,
Paris, 75005, France
Céline Ridame
Laboratoire LOCEAN (IPSL), Sorbonne Université, CNRS–IRD–MNHN,
Paris, 75005, France
Jonathan Fin
Laboratoire LOCEAN (IPSL), Sorbonne Université, CNRS–IRD–MNHN,
Paris, 75005, France
Claude Mignon
Laboratoire LOCEAN (IPSL), Sorbonne Université, CNRS–IRD–MNHN,
Paris, 75005, France
Marion Gehlen
Laboratoire LSCE (IPSL), Université Paris-Saclay, CEA–CNRS–UVSQ,
Gif-sur-Yvette, 91191, France
Thi Tuyet Trang Chau
Laboratoire LSCE (IPSL), Université Paris-Saclay, CEA–CNRS–UVSQ,
Gif-sur-Yvette, 91191, France
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Cited
10 citations as recorded by crossref.
- An exceptional phytoplankton bloom in the southeast Madagascar Sea driven by African dust deposition J. Gittings et al. 10.1093/pnasnexus/pgae386
- Wintertime productivity and carbon export potential across the Agulhas Current system K. Sinyanya et al. 10.1016/j.dsr.2024.104405
- The Agulhas Current Transports Signals of Local and Remote Indian Ocean Nitrogen Cycling T. Marshall et al. 10.1029/2022JC019413
- An updated synthesis of ocean total alkalinity and dissolved inorganic carbon measurements from 1993 to 2023: the SNAPO-CO2-v2 dataset N. Metzl et al. 10.5194/essd-17-1075-2025
- Air‐Sea Fluxes of CO2 in the Indian Ocean Between 1985 and 2018: A Synthesis Based on Observation‐Based Surface CO2, Hindcast and Atmospheric Inversion Models V. Sarma et al. 10.1029/2023GB007694
- Spatial and temporal variability of the physical, carbonate and CO2 properties in the Southern Ocean surface waters during austral summer (2005-2019) M. Brandon et al. 10.1016/j.dsr.2022.103836
- Diazotrophy in the Indian Ocean: Current understanding and future perspectives S. Chowdhury et al. 10.1002/lol2.10343
- Fronts divide diazotroph communities in the Southern Indian Ocean S. Chowdhury et al. 10.1093/femsec/fiae095
- Long-term trends of pH and inorganic carbon in the Eastern North Atlantic: the ESTOC site M. González-Dávila & J. Santana-Casiano 10.3389/fmars.2023.1236214
- Contrasting trends of the ocean CO2 sink and pH in the agulhas current system and the Mozambique basin, south-western Indian ocean (1963–2023) N. Metzl et al. 10.1016/j.dsr2.2025.105459
10 citations as recorded by crossref.
- An exceptional phytoplankton bloom in the southeast Madagascar Sea driven by African dust deposition J. Gittings et al. 10.1093/pnasnexus/pgae386
- Wintertime productivity and carbon export potential across the Agulhas Current system K. Sinyanya et al. 10.1016/j.dsr.2024.104405
- The Agulhas Current Transports Signals of Local and Remote Indian Ocean Nitrogen Cycling T. Marshall et al. 10.1029/2022JC019413
- An updated synthesis of ocean total alkalinity and dissolved inorganic carbon measurements from 1993 to 2023: the SNAPO-CO2-v2 dataset N. Metzl et al. 10.5194/essd-17-1075-2025
- Air‐Sea Fluxes of CO2 in the Indian Ocean Between 1985 and 2018: A Synthesis Based on Observation‐Based Surface CO2, Hindcast and Atmospheric Inversion Models V. Sarma et al. 10.1029/2023GB007694
- Spatial and temporal variability of the physical, carbonate and CO2 properties in the Southern Ocean surface waters during austral summer (2005-2019) M. Brandon et al. 10.1016/j.dsr.2022.103836
- Diazotrophy in the Indian Ocean: Current understanding and future perspectives S. Chowdhury et al. 10.1002/lol2.10343
- Fronts divide diazotroph communities in the Southern Indian Ocean S. Chowdhury et al. 10.1093/femsec/fiae095
- Long-term trends of pH and inorganic carbon in the Eastern North Atlantic: the ESTOC site M. González-Dávila & J. Santana-Casiano 10.3389/fmars.2023.1236214
- Contrasting trends of the ocean CO2 sink and pH in the agulhas current system and the Mozambique basin, south-western Indian ocean (1963–2023) N. Metzl et al. 10.1016/j.dsr2.2025.105459
Latest update: 31 Mar 2025
Short summary
During an oceanographic cruise conducted in January 2020 in the south-western Indian Ocean, we observed very low CO2 concentrations associated with a strong phytoplankton bloom that occurred south-east of Madagascar. This biological event led to a strong regional CO2 ocean sink not previously observed.
During an oceanographic cruise conducted in January 2020 in the south-western Indian Ocean, we...
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