Articles | Volume 15, issue 23
https://doi.org/10.5194/bg-15-7299-2018
© 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-15-7299-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Evolution of 231Pa and 230Th in overflow waters of the North Atlantic
Feifei Deng
CORRESPONDING AUTHOR
Department of Earth Sciences, University of Oxford, South Parks Road, Oxford, OX13AN, UK
Gideon M. Henderson
Department of Earth Sciences, University of Oxford, South Parks Road, Oxford, OX13AN, UK
Maxi Castrillejo
Laboratory of Ion Beam Physics, ETH-Zurich, Otto Stern Weg 5, Zurich, 8093, Switzerland
Institut de Ciència i Tecnologia Ambientals & Departament de Física, Universitat Autònoma de Barcelona, Bellaterra, 08193, Spain
Fiz F. Perez
Departamento de Oceanografia Instituto Investigaciones Marinas (CSIC), Eduardo Cabello 6, E36208 Vigo, Spain
Reiner Steinfeldt
Institut fur Umweltphysik, Universität Bremen, 28334 Bremen, Germany
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Cited
13 citations as recorded by crossref.
- A model study of the relative influences of scavenging and circulation on 230Th and 231Pa in the western North Atlantic P. Lerner et al. 10.1016/j.dsr.2019.103159
- Distribution of Pa in the Atlantic sector of the Southern Ocean: Tracking scavenging during water mass mixing along neutral density surfaces M. Levier et al. 10.1016/j.dsr.2022.103951
- Coupled analysis of seawater and sedimentary 231Pa/230Th in the tropical Atlantic H. Ng et al. 10.1016/j.marchem.2020.103894
- Modelling the impact of biogenic particle flux intensity and composition on sedimentary Pa/Th L. Missiaen et al. 10.1016/j.quascirev.2020.106394
- Constraining the Variability of the Atlantic Meridional Overturning Circulation During the Holocene J. Lippold et al. 10.1029/2019GL084988
- Radium-226 in the global ocean as a tracer of thermohaline circulation: Synthesizing half a century of observations B. Xu et al. 10.1016/j.earscirev.2022.103956
- GEOTRACES: Accelerating Research on the Marine Biogeochemical Cycles of Trace Elements and Their Isotopes R. Anderson 10.1146/annurev-marine-010318-095123
- Evolution of the Global Overturning Circulation since the Last Glacial Maximum based on marine authigenic neodymium isotopes J. Du et al. 10.1016/j.quascirev.2020.106396
- Dust deposition and iron cycling in the tropical western North Pacific based on thorium supply X. Wang et al. 10.1016/j.gloplacha.2025.104740
- Adsorption of Th and Pa onto particles and the effect of organic compounds in natural seawater X. Zhang et al. 10.1007/s00343-021-0297-5
- Constraints on the Northwestern Atlantic Deep Water Circulation From 231Pa/230Th During the Last 30,000 Years F. Süfke et al. 10.1029/2019PA003737
- 231Pa/230Th ratios in the Atlantic and Indian Oceans and their implications for the application of the ratios as an ocean circulation proxy A. Leal et al. 10.1016/j.quascirev.2025.109448
- The 226Ra–Ba relationship in the North Atlantic during GEOTRACES-GA01 E. Le Roy et al. 10.5194/bg-15-3027-2018
12 citations as recorded by crossref.
- A model study of the relative influences of scavenging and circulation on 230Th and 231Pa in the western North Atlantic P. Lerner et al. 10.1016/j.dsr.2019.103159
- Distribution of Pa in the Atlantic sector of the Southern Ocean: Tracking scavenging during water mass mixing along neutral density surfaces M. Levier et al. 10.1016/j.dsr.2022.103951
- Coupled analysis of seawater and sedimentary 231Pa/230Th in the tropical Atlantic H. Ng et al. 10.1016/j.marchem.2020.103894
- Modelling the impact of biogenic particle flux intensity and composition on sedimentary Pa/Th L. Missiaen et al. 10.1016/j.quascirev.2020.106394
- Constraining the Variability of the Atlantic Meridional Overturning Circulation During the Holocene J. Lippold et al. 10.1029/2019GL084988
- Radium-226 in the global ocean as a tracer of thermohaline circulation: Synthesizing half a century of observations B. Xu et al. 10.1016/j.earscirev.2022.103956
- GEOTRACES: Accelerating Research on the Marine Biogeochemical Cycles of Trace Elements and Their Isotopes R. Anderson 10.1146/annurev-marine-010318-095123
- Evolution of the Global Overturning Circulation since the Last Glacial Maximum based on marine authigenic neodymium isotopes J. Du et al. 10.1016/j.quascirev.2020.106396
- Dust deposition and iron cycling in the tropical western North Pacific based on thorium supply X. Wang et al. 10.1016/j.gloplacha.2025.104740
- Adsorption of Th and Pa onto particles and the effect of organic compounds in natural seawater X. Zhang et al. 10.1007/s00343-021-0297-5
- Constraints on the Northwestern Atlantic Deep Water Circulation From 231Pa/230Th During the Last 30,000 Years F. Süfke et al. 10.1029/2019PA003737
- 231Pa/230Th ratios in the Atlantic and Indian Oceans and their implications for the application of the ratios as an ocean circulation proxy A. Leal et al. 10.1016/j.quascirev.2025.109448
1 citations as recorded by crossref.
Latest update: 19 Jun 2025
Short summary
To better use Pa / Th to reconstruct deep water ventilation rate, we assessed controls on 230Th and 231Pa in the northern North Atlantic. With extended optimum multi-parameter analysis and CFC-based water-mass age, we found the imprint of young overflow water on Th and Pa and enhanced scavenging near the seafloor. A significantly higher advective loss of Pa to the south relative to Th in the Atlantic was estimated, supporting the use of Pa / Th for assessing basin-scale meridional transport.
To better use Pa / Th to reconstruct deep water ventilation rate, we assessed controls on 230Th...
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