Articles | Volume 15, issue 21
https://doi.org/10.5194/bg-15-6417-2018
© 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-15-6417-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
01 Nov 2018
Research article |
| 01 Nov 2018
| 01 Nov 2018
High variability of particulate organic carbon export along the North Atlantic GEOTRACES section GA01 as deduced from 234Th fluxes
Nolwenn Lemaitre
CORRESPONDING AUTHOR
Department of Earth Sciences, Institute of Geochemistry and Petrology,
ETH-Zürich, Zürich, Switzerland
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
Frédéric Planchon
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539,
IUEM, Technopôle Brest Iroise, 29280 Plouzané, France
Hélène Planquette
Laboratoire des Sciences de l'Environnement Marin (LEMAR), UMR 6539,
IUEM, Technopôle Brest Iroise, 29280 Plouzané, France
Frank Dehairs
Vrije Universiteit Brussel, Analytical, Environmental and
Geo-Chemistry, Earth System Sciences research group, Brussels, Belgium
Debany Fonseca-Batista
Vrije Universiteit Brussel, Analytical, Environmental and
Geo-Chemistry, Earth System Sciences research group, Brussels, Belgium
Oceanography Department, Dalhousie University, Halifax, Nova Scotia,
Canada
Arnout Roukaerts
Vrije Universiteit Brussel, Analytical, Environmental and
Geo-Chemistry, Earth System Sciences research group, Brussels, Belgium
Florian Deman
Vrije Universiteit Brussel, Analytical, Environmental and
Geo-Chemistry, Earth System Sciences research group, Brussels, Belgium
Earth and Environmental Sciences, The Graduate Center, City
University of New York, New York, USA
School of Earth and Environmental Sciences, Queens College, City
University of New York, Flushing, USA
Clarisse Mariez
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
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- Particulate rare earth element behavior in the North Atlantic (GEOVIDE cruise) M. Lagarde et al. 10.5194/bg-17-5539-2020
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- 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
- Combined Use of Short-Lived Radionuclides (234Th and 210Po) as Tracers of Sinking Particles in the Ocean M. Roca-Martí & V. Puigcorbé 10.1146/annurev-marine-041923-013807
- Quantifying 210Po/210Pb Disequilibrium in Seawater: A Comparison of Two Precipitation Methods With Differing Results M. Roca-Martí et al. 10.3389/fmars.2021.684484
- Evidence of high N<sub>2</sub> fixation rates in the temperate northeast Atlantic D. Fonseca-Batista et al. 10.5194/bg-16-999-2019
- The 210Po/210Pb method to calculate particle export: Lessons learned from the results of three GEOTRACES transects Y. Tang & G. Stewart 10.1016/j.marchem.2019.103692
- Estimating Carbon Flux From Optically Recording Total Particle Volume at Depths Below the Primary Pycnocline A. Bochdansky et al. 10.3389/fmars.2019.00778
- Revisiting five decades of <sup>234</sup>Th data: a comprehensive global oceanic compilation E. Ceballos-Romero et al. 10.5194/essd-14-2639-2022
- Carbon and silica fluxes during a declining North Atlantic spring bloom as part of the EXPORTS program S. Clevenger et al. 10.1016/j.marchem.2023.104346
- Particulate Trace Element Export in the North Atlantic (GEOTRACES GA01 Transect, GEOVIDE Cruise) N. Lemaitre et al. 10.1021/acsearthspacechem.0c00045
- Review of the analysis of 234Th in small volume (2–4 L) seawater samples: improvements and recommendations S. Clevenger et al. 10.1007/s10967-021-07772-2
- Southern Ocean carbon export efficiency in relation to temperature and primary productivity G. Fan et al. 10.1038/s41598-020-70417-z
- Global database of ratios of particulate organic carbon to thorium-234 in the ocean: improving estimates of the biological carbon pump V. Puigcorbé et al. 10.5194/essd-12-1267-2020
- Metrics that matter for assessing the ocean biological carbon pump K. Buesseler et al. 10.1073/pnas.1918114117
- Strong Margin Influence on the Arctic Ocean Barium Cycle Revealed by Pan‐Arctic Synthesis L. Whitmore et al. 10.1029/2021JC017417
- The export flux of particulate organic carbon derived from <sup>210</sup>Po∕<sup>210</sup>Pb disequilibria along the North Atlantic GEOTRACES GA01 transect: GEOVIDE cruise Y. Tang et al. 10.5194/bg-16-309-2019
- Introduction to the French GEOTRACES North Atlantic Transect (GA01): GEOVIDE cruise G. Sarthou et al. 10.5194/bg-15-7097-2018
- GEOTRACES: Accelerating Research on the Marine Biogeochemical Cycles of Trace Elements and Their Isotopes R. Anderson 10.1146/annurev-marine-010318-095123
- The <sup>226</sup>Ra–Ba relationship in the North Atlantic during GEOTRACES-GA01 E. Le Roy et al. 10.5194/bg-15-3027-2018
- 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
- Ironing Out Fe Residence Time in the Dynamic Upper Ocean E. Black et al. 10.1029/2020GB006592
19 citations as recorded by crossref.
- Particulate rare earth element behavior in the North Atlantic (GEOVIDE cruise) M. Lagarde et al. 10.5194/bg-17-5539-2020
- New insights on the 7Be cycle in the ocean M. Grenier et al. 10.1016/j.dsr.2023.103967
- 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
- Combined Use of Short-Lived Radionuclides (234Th and 210Po) as Tracers of Sinking Particles in the Ocean M. Roca-Martí & V. Puigcorbé 10.1146/annurev-marine-041923-013807
- Quantifying 210Po/210Pb Disequilibrium in Seawater: A Comparison of Two Precipitation Methods With Differing Results M. Roca-Martí et al. 10.3389/fmars.2021.684484
- Evidence of high N<sub>2</sub> fixation rates in the temperate northeast Atlantic D. Fonseca-Batista et al. 10.5194/bg-16-999-2019
- The 210Po/210Pb method to calculate particle export: Lessons learned from the results of three GEOTRACES transects Y. Tang & G. Stewart 10.1016/j.marchem.2019.103692
- Estimating Carbon Flux From Optically Recording Total Particle Volume at Depths Below the Primary Pycnocline A. Bochdansky et al. 10.3389/fmars.2019.00778
- Revisiting five decades of <sup>234</sup>Th data: a comprehensive global oceanic compilation E. Ceballos-Romero et al. 10.5194/essd-14-2639-2022
- Carbon and silica fluxes during a declining North Atlantic spring bloom as part of the EXPORTS program S. Clevenger et al. 10.1016/j.marchem.2023.104346
- Particulate Trace Element Export in the North Atlantic (GEOTRACES GA01 Transect, GEOVIDE Cruise) N. Lemaitre et al. 10.1021/acsearthspacechem.0c00045
- Review of the analysis of 234Th in small volume (2–4 L) seawater samples: improvements and recommendations S. Clevenger et al. 10.1007/s10967-021-07772-2
- Southern Ocean carbon export efficiency in relation to temperature and primary productivity G. Fan et al. 10.1038/s41598-020-70417-z
- Global database of ratios of particulate organic carbon to thorium-234 in the ocean: improving estimates of the biological carbon pump V. Puigcorbé et al. 10.5194/essd-12-1267-2020
- Metrics that matter for assessing the ocean biological carbon pump K. Buesseler et al. 10.1073/pnas.1918114117
- Strong Margin Influence on the Arctic Ocean Barium Cycle Revealed by Pan‐Arctic Synthesis L. Whitmore et al. 10.1029/2021JC017417
- The export flux of particulate organic carbon derived from <sup>210</sup>Po∕<sup>210</sup>Pb disequilibria along the North Atlantic GEOTRACES GA01 transect: GEOVIDE cruise Y. Tang et al. 10.5194/bg-16-309-2019
- Introduction to the French GEOTRACES North Atlantic Transect (GA01): GEOVIDE cruise G. Sarthou et al. 10.5194/bg-15-7097-2018
- GEOTRACES: Accelerating Research on the Marine Biogeochemical Cycles of Trace Elements and Their Isotopes R. Anderson 10.1146/annurev-marine-010318-095123
3 citations as recorded by crossref.
- The <sup>226</sup>Ra–Ba relationship in the North Atlantic during GEOTRACES-GA01 E. Le Roy et al. 10.5194/bg-15-3027-2018
- 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
- Ironing Out Fe Residence Time in the Dynamic Upper Ocean E. Black et al. 10.1029/2020GB006592
Latest update: 14 Dec 2024
Short summary
We investigated the surface particulate organic carbon export fluxes in the North Atlantic with the objective of better understanding the biological carbon pump. Our results highlighted that exports depended on the intensity and stage of the bloom, the phytoplankton size and community structures. After comparing with primary production, we concluded that, during our study, the North Atlantic behaves like most of the highly productive areas in the world's ocean, with a low export efficiency.
We investigated the surface particulate organic carbon export fluxes in the North Atlantic with...
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