Articles | Volume 13, issue 4
https://doi.org/10.5194/cp-13-345-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-13-345-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
18 Apr 2017
Research article |
| 18 Apr 2017
δ13C decreases in the upper western South Atlantic during Heinrich Stadials 3 and 2
Marília C. Campos
CORRESPONDING AUTHOR
School of Arts, Sciences and Humanities, University of São Paulo,
São Paulo, 03828-000, Brazil
Cristiano M. Chiessi
School of Arts, Sciences and Humanities, University of São Paulo,
São Paulo, 03828-000, Brazil
Ines Voigt
MARUM – Center for Marine Environmental Sciences, University of
Bremen, Bremen, 28359, Germany
Alberto R. Piola
Servicio de Hidrografia Naval (SHN), Buenos Aires, C1270ABV, Argentina
Dept. Ciencias de la Atmósfera y los Océanos, FCEN,
Universidad de Buenos Aires, C1428 EHA, and Instituto
Franco–Argentino sobre Estudios de Clima y sus Impactos,
CNRS/CONICET, C1428EGA, Argentina
Henning Kuhnert
MARUM – Center for Marine Environmental Sciences, University of
Bremen, Bremen, 28359, Germany
Stefan Mulitza
MARUM – Center for Marine Environmental Sciences, University of
Bremen, Bremen, 28359, Germany
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Cited
10 citations as recorded by crossref.
- 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
- The Impact of the AMOC Resumption in the Western South Atlantic Thermocline at the Onset of the Last Interglacial T. Santos et al. 10.1002/2017GL074457
- Imprints of Millennial-Scale Monsoonal Events during the MIS3 Revealed by Stalagmite δ13C Records in China R. Shen et al. 10.3390/geosciences13050136
- Oceanographic features boost latitudinal patterns in copepod body size distribution in the South Atlantic É. Becker et al. 10.1002/lno.12694
- 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
- Productivity Evolution in the South Brazilian Bight During the Last 40,000 Years L. Pereira et al. 10.1029/2018PA003406
- Simulating stable carbon isotopes in the ocean component of the FAMOUS general circulation model with MOSES1 (XOAVI) J. Dentith et al. 10.5194/gmd-13-3529-2020
- Late Quaternary environmental dynamics inferred from marine sediment core GeoB6211-2 off southern Brazil F. Gu et al. 10.1016/j.palaeo.2018.01.015
- Modern isotopic signatures of Plata River sediments and changes in sediment supply to the western subtropical South Atlantic during the last 30 kyr N. Höppner et al. 10.1016/j.quascirev.2021.106910
- Chronological features of Heinrich Stadial 2 based on a high-resolution analysis of δ18O stalagmite records from China, and possible links to changes in Atlantic Meridional Overturning Circulation Y. Cui et al. 10.1016/j.palaeo.2023.111875
10 citations as recorded by crossref.
- 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
- The Impact of the AMOC Resumption in the Western South Atlantic Thermocline at the Onset of the Last Interglacial T. Santos et al. 10.1002/2017GL074457
- Imprints of Millennial-Scale Monsoonal Events during the MIS3 Revealed by Stalagmite δ13C Records in China R. Shen et al. 10.3390/geosciences13050136
- Oceanographic features boost latitudinal patterns in copepod body size distribution in the South Atlantic É. Becker et al. 10.1002/lno.12694
- 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
- Productivity Evolution in the South Brazilian Bight During the Last 40,000 Years L. Pereira et al. 10.1029/2018PA003406
- Simulating stable carbon isotopes in the ocean component of the FAMOUS general circulation model with MOSES1 (XOAVI) J. Dentith et al. 10.5194/gmd-13-3529-2020
- Late Quaternary environmental dynamics inferred from marine sediment core GeoB6211-2 off southern Brazil F. Gu et al. 10.1016/j.palaeo.2018.01.015
- Modern isotopic signatures of Plata River sediments and changes in sediment supply to the western subtropical South Atlantic during the last 30 kyr N. Höppner et al. 10.1016/j.quascirev.2021.106910
- Chronological features of Heinrich Stadial 2 based on a high-resolution analysis of δ18O stalagmite records from China, and possible links to changes in Atlantic Meridional Overturning Circulation Y. Cui et al. 10.1016/j.palaeo.2023.111875
Saved (final revised paper)
Latest update: 20 Nov 2024
Short summary
Our new planktonic foraminiferal stable carbon isotopic data from the western South Atlantic show major decreases during abrupt climate change events of the last glacial. These anomalies are likely related to periods of a sluggish Atlantic meridional overturning circulation and increase (decrease) in atmospheric CO2 (stable carbon isotopic ratios). We hypothesize that strengthening of Southern Ocean deep-water ventilation and weakening of the biological pump are responsible for these decreases.
Our new planktonic foraminiferal stable carbon isotopic data from the western South Atlantic...
