Articles | Volume 15, issue 8
https://doi.org/10.5194/bg-15-2289-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-15-2289-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
19 Apr 2018
Research article |
| 19 Apr 2018
| 19 Apr 2018
Particulate barium tracing of significant mesopelagic carbon remineralisation in the North Atlantic
Nolwenn Lemaitre
CORRESPONDING AUTHOR
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR
6539, IUEM, Technopôle Brest Iroise, 29280 Plouzané, France
Vrije Universiteit Brussel, Analytical, Environmental and
Geo-Chemistry, Earth System Sciences research group, Brussels, Belgium
now at: Department of Earth Sciences, Institute of Geochemistry and Petrology, ETH-Zürich, Zürich, Switzerland
Hélène Planquette
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR
6539, IUEM, Technopôle Brest Iroise, 29280 Plouzané, France
Frédéric Planchon
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR
6539, IUEM, Technopôle Brest Iroise, 29280 Plouzané, France
Géraldine Sarthou
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR
6539, IUEM, Technopôle Brest Iroise, 29280 Plouzané, France
Stéphanie Jacquet
Aix Marseille Université, CNRS/INSU, Université de Toulon,
IRD, Mediterranean Institute of Oceanography (MIO), UM110, 13288 Marseille,
France
Maribel I. García-Ibáñez
Uni Research Climate, Bjerknes Centre for Climate Research,
Bergen 5008, Norway
Instituto de Investigaciones Marinas,
IIM-CSIC, Eduardo Cabello 6, 36208 Vigo, Spain
Arthur Gourain
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR
6539, IUEM, Technopôle Brest Iroise, 29280 Plouzané, France
Ocean Sciences
Department, School of Environmental Sciences, University of Liverpool,
Liverpool L69 3GP, UK
Marie Cheize
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR
6539, IUEM, Technopôle Brest Iroise, 29280 Plouzané, France
Laurence Monin
Earth Sciences Department, Royal Museum for
Central Africa, Leuvensesteenweg 13, Tervuren, 3080, Belgium
Luc André
Earth Sciences Department, Royal Museum for
Central Africa, Leuvensesteenweg 13, Tervuren, 3080, Belgium
Priya Laha
Vrije
Universiteit Brussel, SURF research group, department of Materials and
Chemistry, Brussels, Belgium
Herman Terryn
Vrije
Universiteit Brussel, SURF research group, department of Materials and
Chemistry, Brussels, Belgium
Frank Dehairs
Vrije Universiteit Brussel, Analytical, Environmental and
Geo-Chemistry, Earth System Sciences research group, Brussels, Belgium
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Cited
20 citations as recorded by crossref.
- Particulate biogenic barium tracer of mesopelagic carbon remineralization in the Mediterranean Sea (PEACETIME project) S. Jacquet et al. 10.5194/bg-18-5891-2021
- Nitrogen fixation in the widely distributed marine γ-proteobacterial diazotroph Candidatus Thalassolituus haligoni S. Rose et al. 10.1126/sciadv.adn1476
- High variability of particulate organic carbon export along the North Atlantic GEOTRACES section GA01 as deduced from 234Th fluxes N. Lemaitre et al. 10.5194/bg-15-6417-2018
- Dissolved iron in the North Atlantic Ocean and Labrador Sea along the GEOVIDE section (GEOTRACES section GA01) M. Tonnard et al. 10.5194/bg-17-917-2020
- Dissolved Organic Nitrogen Production and Export by Meridional Overturning in the Eastern Subpolar North Atlantic B. Fernández‐Castro et al. 10.1029/2018GL080284
- Particulate rare earth element behavior in the North Atlantic (GEOVIDE cruise) M. Lagarde et al. 10.5194/bg-17-5539-2020
- Introduction to the French GEOTRACES North Atlantic Transect (GA01): GEOVIDE cruise G. Sarthou et al. 10.5194/bg-15-7097-2018
- Particulate Trace Element Export in the North Atlantic (GEOTRACES GA01 Transect, GEOVIDE Cruise) N. Lemaitre et al. 10.1021/acsearthspacechem.0c00045
- The 226Ra–Ba relationship in the North Atlantic during GEOTRACES-GA01 E. Le Roy et al. 10.5194/bg-15-3027-2018
- Early winter barium excess in the southern Indian Ocean as an annual remineralisation proxy (GEOTRACES GIPr07 cruise) N. van Horsten et al. 10.5194/bg-19-3209-2022
- Barite Precipitation on Suspended Organic Matter in the Mesopelagic Zone F. Martinez-Ruiz et al. 10.3389/feart.2020.567714
- 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
- New insights on the 7Be cycle in the ocean M. Grenier et al. 10.1016/j.dsr.2023.103967
- On the barium–oxygen consumption relationship in the Mediterranean Sea: implications for mesopelagic marine snow remineralization S. Jacquet et al. 10.5194/bg-18-2205-2021
- Rare earth elements in the North Atlantic, part II: Partition coefficients M. Lagarde et al. 10.1016/j.chemgeo.2024.122298
- Dissolved and Particulate Barium Distributions Along the US GEOTRACES North Atlantic and East Pacific Zonal Transects (GA03 and GP16): Global Implications for the Marine Barium Cycle S. Rahman et al. 10.1029/2022GB007330
- Constraining barium isotope fractionation in the upper water column of the South China Sea Z. Cao et al. 10.1016/j.gca.2020.08.008
- Rare earth elements in the North Atlantic, part I: Non-conservative behavior reveals margin inputs and deep waters scavenging M. Lagarde et al. 10.1016/j.chemgeo.2024.122230
- Mercury distribution and transport in the North Atlantic Ocean along the GEOTRACES-GA01 transect D. Cossa et al. 10.5194/bg-15-2309-2018
- The GEOVIDE cruise in May–June 2014 reveals an intense Meridional Overturning Circulation over a cold and fresh subpolar North Atlantic P. Zunino et al. 10.5194/bg-14-5323-2017
18 citations as recorded by crossref.
- Particulate biogenic barium tracer of mesopelagic carbon remineralization in the Mediterranean Sea (PEACETIME project) S. Jacquet et al. 10.5194/bg-18-5891-2021
- Nitrogen fixation in the widely distributed marine γ-proteobacterial diazotroph Candidatus Thalassolituus haligoni S. Rose et al. 10.1126/sciadv.adn1476
- High variability of particulate organic carbon export along the North Atlantic GEOTRACES section GA01 as deduced from 234Th fluxes N. Lemaitre et al. 10.5194/bg-15-6417-2018
- Dissolved iron in the North Atlantic Ocean and Labrador Sea along the GEOVIDE section (GEOTRACES section GA01) M. Tonnard et al. 10.5194/bg-17-917-2020
- Dissolved Organic Nitrogen Production and Export by Meridional Overturning in the Eastern Subpolar North Atlantic B. Fernández‐Castro et al. 10.1029/2018GL080284
- Particulate rare earth element behavior in the North Atlantic (GEOVIDE cruise) M. Lagarde et al. 10.5194/bg-17-5539-2020
- Introduction to the French GEOTRACES North Atlantic Transect (GA01): GEOVIDE cruise G. Sarthou et al. 10.5194/bg-15-7097-2018
- Particulate Trace Element Export in the North Atlantic (GEOTRACES GA01 Transect, GEOVIDE Cruise) N. Lemaitre et al. 10.1021/acsearthspacechem.0c00045
- The 226Ra–Ba relationship in the North Atlantic during GEOTRACES-GA01 E. Le Roy et al. 10.5194/bg-15-3027-2018
- Early winter barium excess in the southern Indian Ocean as an annual remineralisation proxy (GEOTRACES GIPr07 cruise) N. van Horsten et al. 10.5194/bg-19-3209-2022
- Barite Precipitation on Suspended Organic Matter in the Mesopelagic Zone F. Martinez-Ruiz et al. 10.3389/feart.2020.567714
- 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
- New insights on the 7Be cycle in the ocean M. Grenier et al. 10.1016/j.dsr.2023.103967
- On the barium–oxygen consumption relationship in the Mediterranean Sea: implications for mesopelagic marine snow remineralization S. Jacquet et al. 10.5194/bg-18-2205-2021
- Rare earth elements in the North Atlantic, part II: Partition coefficients M. Lagarde et al. 10.1016/j.chemgeo.2024.122298
- Dissolved and Particulate Barium Distributions Along the US GEOTRACES North Atlantic and East Pacific Zonal Transects (GA03 and GP16): Global Implications for the Marine Barium Cycle S. Rahman et al. 10.1029/2022GB007330
- Constraining barium isotope fractionation in the upper water column of the South China Sea Z. Cao et al. 10.1016/j.gca.2020.08.008
- Rare earth elements in the North Atlantic, part I: Non-conservative behavior reveals margin inputs and deep waters scavenging M. Lagarde et al. 10.1016/j.chemgeo.2024.122230
2 citations as recorded by crossref.
- Mercury distribution and transport in the North Atlantic Ocean along the GEOTRACES-GA01 transect D. Cossa et al. 10.5194/bg-15-2309-2018
- The GEOVIDE cruise in May–June 2014 reveals an intense Meridional Overturning Circulation over a cold and fresh subpolar North Atlantic P. Zunino et al. 10.5194/bg-14-5323-2017
Latest update: 16 Jul 2025
Short summary
We present the particulate biogenic barium distributions in the North Atlantic for the first time with the objective of estimating mesopelagic carbon remineralisation fluxes. The remineralisation fluxes balanced or slightly exceeded the upper-ocean carbon export fluxes. This is a key result as the North Atlantic is generally assumed to be efficient in transferring carbon to the deep ocean, but during our study, the North Atlantic was characterized by a near-zero carbon sequestration efficiency.
We present the particulate biogenic barium distributions in the North Atlantic for the first...
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