Articles | Volume 15, issue 3
https://doi.org/10.5194/cp-15-943-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-15-943-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 May 2019
Research article |
| 27 May 2019
| 27 May 2019
Understanding the mechanisms behind high glacial productivity in the southern Brazilian margin
Rodrigo da Costa Portilho-Ramos
CORRESPONDING AUTHOR
MARUM – Center for Marine Environmental Sciences, University of Bremen, Leobener Strasse, 28359 Bremen, Germany
Institute of Geosciences, University of São Paulo, Rua do Lago 562, CEP05508-080, São Paulo, Brazil
Tainã Marcos Lima Pinho
Institute of Geosciences, University of São Paulo, Rua do Lago 562, CEP05508-080, São Paulo, Brazil
School of Arts, Sciences and Humanities, University of São Paulo, Rua Arlindo Bettio 1000, CEP03828-000, São Paulo, Brazil
Cristiano Mazur Chiessi
School of Arts, Sciences and Humanities, University of São Paulo, Rua Arlindo Bettio 1000, CEP03828-000, São Paulo, Brazil
Cátia Fernandes Barbosa
Departamento de Geoquímica, Universidade Federal Fluminense, Rua Outeiro São João Baptista S/N, CEP24020-141, Niterói, Brazil
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Cited
19 citations as recorded by crossref.
- Enhanced Primary Productivity in the Brazil Malvinas Confluence Zone during the Mis 3 C. Laprida et al. 10.5710/AMGH.04.04.2023.3515
- Bioerosion on Late Quaternary Planktonic Foraminifera Related to Paleoproductivity in the Western South Atlantic C. Frozza et al. 10.1029/2020PA003865
- Wind-blown continental dust as a fuel for paleoproductivity along the southwestern Atlantic Ocean during the last glacial period R. Pereira Lopes & M. Silva de Souza 10.22456/1807-9806.131140
- Calcium Carbonate Dissolution Triggered by High Productivity During the Last Glacial–Interglacial Interval in the Deep Western South Atlantic J. Suárez-Ibarra et al. 10.3389/feart.2022.830984
- Biogenic composition of calcium carbonate over the past 140,000 years: clues from a marine core in the Santos Basin M. Tomazella et al. 10.1590/2675-2824072.23063
- Sea-level fall and coastal water cooling during the Late Holocene in Southeastern Brazil based on vermetid bioconstructions T. Toniolo et al. 10.1016/j.margeo.2020.106281
- Contrasting late-glacial paleoceanographic evolution between the upper and lower continental slope of the western South Atlantic L. Luz et al. 10.5194/cp-16-1245-2020
- A data-model perspective on the Brazilian margin surface warming from the Last Glacial Maximum to the Holocene T. Santos et al. 10.1016/j.quascirev.2022.107557
- S/SE Brazilian continental margin sea surface temperature and productivity changes over the last 50 kyr A. Alvarenga et al. 10.1016/j.palaeo.2022.111144
- Evidence of supra-lysoclinal dissolution of pelagic calcium carbonate in the late Quaternary in the western South Atlantic S. Petró et al. 10.1016/j.marmicro.2021.102013
- Relative abundance and biometry of Bolivina ordinaria on the northern continental slope of the Pelotas basin during the late Quaternary P. Kother et al. 10.1016/j.marmicro.2024.102345
- Holocene palaeoceanographic history of the western South Atlantic N. García Chapori et al. 10.1016/j.jsames.2022.103896
- Coccolithophore and paleoproductivity variations in the subtropical western South Atlantic since the late deglaciation H. Ferrarese et al. 10.1016/j.jsames.2024.104880
- Marine Paleoproductivity From the Last Glacial Maximum to the Holocene in the Southwestern Atlantic: A Coccolithophore Assemblage and Geochemical Proxy Perspective G. Pedrão et al. 10.3389/feart.2022.846245
- Surface fertilisation and organic matter delivery enhanced carbonate dissolution in the western South Atlantic J. Suárez-Ibarra et al. 10.3389/fevo.2023.1238334
- Time-spatial boundaries of bioecozonations (planktonic foraminifera) in the latest Quaternary: a case study from the western South Atlantic J. Suárez-Ibarra et al. 10.1016/j.revmic.2021.100554
- Thermodynamic air-sea equilibration controls carbon isotopic composition of the South Atlantic thermocline during the last glacial period T. Pinho et al. 10.1016/j.gloplacha.2023.104223
- Planktonic foraminifera assemblages from the Brazil–Malvinas Confluence: palaeoceanographic implications of sub-surface temperature reconstructions in the western South Atlantic N. García Chapori & C. Laprida 10.1111/let.12416
- Biometric and biomass analysis of Quaternary Uvigerinidae (Foraminifera) from the Southern Brazilian continental slope B. Santana et al. 10.1016/j.marmicro.2021.102041
19 citations as recorded by crossref.
- Enhanced Primary Productivity in the Brazil Malvinas Confluence Zone during the Mis 3 C. Laprida et al. 10.5710/AMGH.04.04.2023.3515
- Bioerosion on Late Quaternary Planktonic Foraminifera Related to Paleoproductivity in the Western South Atlantic C. Frozza et al. 10.1029/2020PA003865
- Wind-blown continental dust as a fuel for paleoproductivity along the southwestern Atlantic Ocean during the last glacial period R. Pereira Lopes & M. Silva de Souza 10.22456/1807-9806.131140
- Calcium Carbonate Dissolution Triggered by High Productivity During the Last Glacial–Interglacial Interval in the Deep Western South Atlantic J. Suárez-Ibarra et al. 10.3389/feart.2022.830984
- Biogenic composition of calcium carbonate over the past 140,000 years: clues from a marine core in the Santos Basin M. Tomazella et al. 10.1590/2675-2824072.23063
- Sea-level fall and coastal water cooling during the Late Holocene in Southeastern Brazil based on vermetid bioconstructions T. Toniolo et al. 10.1016/j.margeo.2020.106281
- Contrasting late-glacial paleoceanographic evolution between the upper and lower continental slope of the western South Atlantic L. Luz et al. 10.5194/cp-16-1245-2020
- A data-model perspective on the Brazilian margin surface warming from the Last Glacial Maximum to the Holocene T. Santos et al. 10.1016/j.quascirev.2022.107557
- S/SE Brazilian continental margin sea surface temperature and productivity changes over the last 50 kyr A. Alvarenga et al. 10.1016/j.palaeo.2022.111144
- Evidence of supra-lysoclinal dissolution of pelagic calcium carbonate in the late Quaternary in the western South Atlantic S. Petró et al. 10.1016/j.marmicro.2021.102013
- Relative abundance and biometry of Bolivina ordinaria on the northern continental slope of the Pelotas basin during the late Quaternary P. Kother et al. 10.1016/j.marmicro.2024.102345
- Holocene palaeoceanographic history of the western South Atlantic N. García Chapori et al. 10.1016/j.jsames.2022.103896
- Coccolithophore and paleoproductivity variations in the subtropical western South Atlantic since the late deglaciation H. Ferrarese et al. 10.1016/j.jsames.2024.104880
- Marine Paleoproductivity From the Last Glacial Maximum to the Holocene in the Southwestern Atlantic: A Coccolithophore Assemblage and Geochemical Proxy Perspective G. Pedrão et al. 10.3389/feart.2022.846245
- Surface fertilisation and organic matter delivery enhanced carbonate dissolution in the western South Atlantic J. Suárez-Ibarra et al. 10.3389/fevo.2023.1238334
- Time-spatial boundaries of bioecozonations (planktonic foraminifera) in the latest Quaternary: a case study from the western South Atlantic J. Suárez-Ibarra et al. 10.1016/j.revmic.2021.100554
- Thermodynamic air-sea equilibration controls carbon isotopic composition of the South Atlantic thermocline during the last glacial period T. Pinho et al. 10.1016/j.gloplacha.2023.104223
- Planktonic foraminifera assemblages from the Brazil–Malvinas Confluence: palaeoceanographic implications of sub-surface temperature reconstructions in the western South Atlantic N. García Chapori & C. Laprida 10.1111/let.12416
- Biometric and biomass analysis of Quaternary Uvigerinidae (Foraminifera) from the Southern Brazilian continental slope B. Santana et al. 10.1016/j.marmicro.2021.102041
Latest update: 08 Jul 2025
Short summary
Fossil microorganisms from the last glacial found in marine sediments collected off southern Brazil suggest that more productive austral summer upwelling and more frequent austral winter incursions of nutrient-rich waters from the Plata River boosted regional productivity year-round. While upwelling was more productive due to the higher silicon content from the Southern Ocean, more frequent riverine incursions were modulated by stronger alongshore southwesterly winds.
Fossil microorganisms from the last glacial found in marine sediments collected off southern...
