Articles | Volume 17, issue 5
https://doi.org/10.5194/os-17-1213-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/os-17-1213-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
15 Sep 2021
Research article |
| 15 Sep 2021
| 15 Sep 2021
Control of oceanic circulation on sediment distribution in the southwestern Atlantic margin (23 to 55° S)
Michel Michaelovitch de Mahiques
CORRESPONDING AUTHOR
Oceanographic Institute of the University of São Paulo, 05508-120, São Paulo, Brazil
Institute of Energy and Environment of the University of São Paulo, 05508-010, São Paulo, Brazil
Roberto Violante
Servicio de Hidrografia Naval, C1270ABV, Buenos Aires, Argentina
Paula Franco-Fraguas
Facultad de Ciencias, Universidad de La Republica, 11400 Montevideo, Uruguay
Leticia Burone
Facultad de Ciencias, Universidad de La Republica, 11400 Montevideo, Uruguay
Cesar Barbedo Rocha
Department of Marine Sciences, University of Connecticut, Groton, CT 06340, USA
Leonardo Ortega
Departamento de Biología Pesquera, Dirección Nacional de Recursos Acuáticos, 11200 Montevideo, Uruguay
Rosangela Felicio dos Santos
Oceanographic Institute of the University of São Paulo, 05508-120, São Paulo, Brazil
Bianca Sung Mi Kim
Oceanographic Institute of the University of São Paulo, 05508-120, São Paulo, Brazil
Rubens Cesar Lopes Figueira
Oceanographic Institute of the University of São Paulo, 05508-120, São Paulo, Brazil
Marcia Caruso Bícego
Oceanographic Institute of the University of São Paulo, 05508-120, São Paulo, Brazil
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Cited
10 citations as recorded by crossref.
- The Plata plume water penetration into the southwestern Atlantic shelf during the Holocene G. Bonifatto et al. 10.1007/s00367-024-00767-4
- Holocene geochronology and sedimentation in the southern Brazil shelf depocenters M. los Santos Maly et al. 10.1016/j.rsma.2023.103350
- Late-Holocene paleoreconstruction of the Southwestern Atlantic Ocean: A multiproxy understanding of the paleoclimatic, paleoproductivity and paleotemperature variability F. Santos et al. 10.1177/09596836241297657
- An 80 kyr record of intermediate‐depth water flow on the western South Atlantic margin M. de Mahiques et al. 10.1111/sed.13016
- Tracing geochemical footprints in surface sediments of the southwest atlantic margin: a journey through the Santos, Campos, Pelotas, and Punta del Este Basins R. dos Santos et al. 10.1007/s00367-025-00798-5
- Lateral shift from turbidite- to contourite-dominated continental slope, a case study from southeast Brazil slope U. Schattner et al. 10.1016/j.geomorph.2023.109009
- Speed changes of the continental slope currents in the SW atlantic in the last 45,000 years R. Nagai et al. 10.1016/j.quascirev.2024.109143
- Geomorphological features along the shelf of the southern Brazilian margin: Implications for shallow-water sediment transport induced by ocean currents F. Lobo et al. 10.1016/j.geomorph.2024.109215
- 100,000 years climatic cycles recorded on very high-resolution seismic data from the Santos Basin’s upper slope during the last 800 ka M. Rabineau et al. 10.1016/j.jsames.2023.104635
- Predicting large-scale spatial patterns of marine meiofauna: implications for environmental monitoring F. Gallucci et al. 10.1590/2675-2824071.22070fg
10 citations as recorded by crossref.
- The Plata plume water penetration into the southwestern Atlantic shelf during the Holocene G. Bonifatto et al. 10.1007/s00367-024-00767-4
- Holocene geochronology and sedimentation in the southern Brazil shelf depocenters M. los Santos Maly et al. 10.1016/j.rsma.2023.103350
- Late-Holocene paleoreconstruction of the Southwestern Atlantic Ocean: A multiproxy understanding of the paleoclimatic, paleoproductivity and paleotemperature variability F. Santos et al. 10.1177/09596836241297657
- An 80 kyr record of intermediate‐depth water flow on the western South Atlantic margin M. de Mahiques et al. 10.1111/sed.13016
- Tracing geochemical footprints in surface sediments of the southwest atlantic margin: a journey through the Santos, Campos, Pelotas, and Punta del Este Basins R. dos Santos et al. 10.1007/s00367-025-00798-5
- Lateral shift from turbidite- to contourite-dominated continental slope, a case study from southeast Brazil slope U. Schattner et al. 10.1016/j.geomorph.2023.109009
- Speed changes of the continental slope currents in the SW atlantic in the last 45,000 years R. Nagai et al. 10.1016/j.quascirev.2024.109143
- Geomorphological features along the shelf of the southern Brazilian margin: Implications for shallow-water sediment transport induced by ocean currents F. Lobo et al. 10.1016/j.geomorph.2024.109215
- 100,000 years climatic cycles recorded on very high-resolution seismic data from the Santos Basin’s upper slope during the last 800 ka M. Rabineau et al. 10.1016/j.jsames.2023.104635
- Predicting large-scale spatial patterns of marine meiofauna: implications for environmental monitoring F. Gallucci et al. 10.1590/2675-2824071.22070fg
Latest update: 26 Jun 2025
Short summary
In this work we used a concept called geochemical fingerprinting, with isotopes of neodymium and lead as tools to recognize the main sources and the physical processes responsible for the transport and deposition of sediments on a large area of the South Atlantic margin. Distinct sources, such as Antarctica, the Andean Cordillera, the Río de la Plata basin, and old rocks from the Brazilian shield, are identified.
In this work we used a concept called geochemical fingerprinting, with isotopes of neodymium and...
