Articles | Volume 17, issue 23
https://doi.org/10.5194/bg-17-5989-2020
© Author(s) 2020. 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-17-5989-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
03 Dec 2020
Research article |
| 03 Dec 2020
| 03 Dec 2020
Barium stable isotopes as a fingerprint of biological cycling in the Amazon River basin
Quentin Charbonnier
CORRESPONDING AUTHOR
Université de Paris, Institut de physique du globe de Paris, CNRS, 75005 Paris, France
Institute of Geochemistry and Petrology, Department of Earth Sciences, ETH Zurich, Clausiusstraße 25, 8092 Zurich, Switzerland
Julien Bouchez
Université de Paris, Institut de physique du globe de Paris, CNRS, 75005 Paris, France
Jérôme Gaillardet
Université de Paris, Institut de physique du globe de Paris, CNRS, 75005 Paris, France
Institut Universitaire de France, Paris, France
Éric Gayer
Université de Paris, Institut de physique du globe de Paris, CNRS, 75005 Paris, France
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Cited
16 citations as recorded by crossref.
- Ba/Ca in foraminifera shells as a proxy of submarine groundwater discharge X. Guo et al. 10.1002/lol2.10290
- Monthly resolved coral barium isotopes record increased riverine inputs during the South Asian summer monsoon Y. Yu et al. 10.1016/j.gca.2022.05.001
- Lithium isotopes in water and regolith in a deep weathering profile reveal imbalances in Critical Zone fluxes D. Cai et al. 10.1016/j.gca.2024.01.012
- Isotope Ratio – Discharge Relationships of Solutes Derived From Weathering Reactions J. Druhan & P. Benettin 10.2475/001c.84469
- Barium in seawater: dissolved distribution, relationship to silicon, and barite saturation state determined using machine learning Ö. Mete et al. 10.5194/essd-15-4023-2023
- Fani Maoré, a new “young HIMU” volcano with extreme geochemistry C. Chauvel et al. 10.1016/j.epsl.2023.118529
- First-principles calculations of equilibrium barium isotope fractionation among silicate minerals X. Zi-Cong et al. 10.1016/j.gca.2023.09.017
- Stable Barium Isotope Fractionation in Pore Waters of Estuarine Sediments Z. Cao et al. 10.1029/2023GC010907
- 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
- The influence of secondary weathering processes on dissolved nickel isotope compositions under cold climatic conditions – Observations from the Mackenzie Basin Q. Charbonnier et al. 10.1016/j.gca.2023.10.026
- Cation isotopes trace chemical weathering L. Gou et al. 10.1016/j.fmre.2023.12.005
- The influence of black shale weathering on riverine barium isotopes Q. Charbonnier et al. 10.1016/j.chemgeo.2022.120741
- Barium and strontium isotope fractionation by cyanobacteria forming intracellular carbonates N. Mehta et al. 10.1016/j.gca.2023.07.014
- Estuarine processes modify the isotope composition of dissolved riverine barium fluxes to the ocean L. Bridgestock et al. 10.1016/j.chemgeo.2021.120340
- The influence of river-derived particles on estuarine and marine elemental cycles: Evidence from lithium isotopes C. Liu et al. 10.1016/j.gca.2023.08.015
- Otolith Sr/Ca ratio complements Sr isotopes to reveal fish migration in large basins with heterogeneous geochemical landscapes E. Avigliano et al. 10.1007/s10641-021-01074-y
15 citations as recorded by crossref.
- Ba/Ca in foraminifera shells as a proxy of submarine groundwater discharge X. Guo et al. 10.1002/lol2.10290
- Monthly resolved coral barium isotopes record increased riverine inputs during the South Asian summer monsoon Y. Yu et al. 10.1016/j.gca.2022.05.001
- Lithium isotopes in water and regolith in a deep weathering profile reveal imbalances in Critical Zone fluxes D. Cai et al. 10.1016/j.gca.2024.01.012
- Isotope Ratio – Discharge Relationships of Solutes Derived From Weathering Reactions J. Druhan & P. Benettin 10.2475/001c.84469
- Barium in seawater: dissolved distribution, relationship to silicon, and barite saturation state determined using machine learning Ö. Mete et al. 10.5194/essd-15-4023-2023
- Fani Maoré, a new “young HIMU” volcano with extreme geochemistry C. Chauvel et al. 10.1016/j.epsl.2023.118529
- First-principles calculations of equilibrium barium isotope fractionation among silicate minerals X. Zi-Cong et al. 10.1016/j.gca.2023.09.017
- Stable Barium Isotope Fractionation in Pore Waters of Estuarine Sediments Z. Cao et al. 10.1029/2023GC010907
- 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
- The influence of secondary weathering processes on dissolved nickel isotope compositions under cold climatic conditions – Observations from the Mackenzie Basin Q. Charbonnier et al. 10.1016/j.gca.2023.10.026
- Cation isotopes trace chemical weathering L. Gou et al. 10.1016/j.fmre.2023.12.005
- The influence of black shale weathering on riverine barium isotopes Q. Charbonnier et al. 10.1016/j.chemgeo.2022.120741
- Barium and strontium isotope fractionation by cyanobacteria forming intracellular carbonates N. Mehta et al. 10.1016/j.gca.2023.07.014
- Estuarine processes modify the isotope composition of dissolved riverine barium fluxes to the ocean L. Bridgestock et al. 10.1016/j.chemgeo.2021.120340
- The influence of river-derived particles on estuarine and marine elemental cycles: Evidence from lithium isotopes C. Liu et al. 10.1016/j.gca.2023.08.015
Latest update: 15 Apr 2024
Short summary
The abundance and isotope composition of the trace metal barium (Ba) allows us to track and quantify nutrient cycling throughout the Amazon Basin. In particular, we show that the Ba biological fingerprint evolves from that of a strong net nutrient uptake in the mountainous area of the Andes towards efficient nutrient recycling on the plains of the Lower Amazon. Our study highlights the fact that the geochemical signature of rock-derived nutrients transported by the Amazon is scarred by life.
The abundance and isotope composition of the trace metal barium (Ba) allows us to track and...
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