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Pinho, Tainã Marcos Lima; Chiessi, Cristiano Mazur; Campos, Marília C; Portilho-Ramos, Rodrigo Costa; Martínez-Méndez, G; Venancio, Igor Martins; Nascimento, Rodrigo Azevedo; Crivellari, Stefano; Albuquerque, Ana Luiza Spadano; Arz, Helge Wolfgang; Tiedemann, Ralf; Bahr, André; Mulitza, Stefan (2024): Carbon isotopic composition of thermocline-dwelling planktonic foraminifera and Mg/Ca-based sea surface temperature from cores in the western and eastern South Atlantic for the last glacial period [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.964368

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Published: 2024-01-05 • DOI registered: 2024-02-03

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Abstract:
To comprehensively document the δ13C content of the South Atlantic Central Water (SACW), we used high-resolution thermocline-dwelling foraminiferal δ13C data obtained from three distinct marine sediment cores situated in the NW, SW, and SE regions of the South Atlantic. Our dataset enables a comprehensive examination of millennial-scale variations in SACW δ13C content across the entire basin. Notably, the thermocline δ13C records from the SE and NW sectors of the South Atlantic consistently exhibit concurrent negative excursions during most of the Heinrich Stadials (HS), a pattern that contrasts sharply with the absence of such negative excursions in the thermocline δ13C record from the SW sector of the South Atlantic
Keyword(s):
Globorotalia inflata; Globorotalia truncatulinoides; Mg/Ca-based sea surface temperature; SACW; South Atlantic; Thermodynamic isotopic air-sea equilibration
Project(s):
Integrated Assessment of Atlantic Marine Ecosystems in Space and Time (iAtlantic)
International Science Program for Integrative Research in Earth Systems (AWI_INSPIRES)
Funding:
Brazilian Government (FAPERJ), grant/award no. 200.120/2023–281226: JCNE grant
Brazilian Government (FAPERJ), grant/award no. SEI-260003/000677/2023
Coordenação de Aperfeicoamento de Pessoal de Nível Superior (CAPES), grant/award no. 88881.313535/2019-01: CAPES grant 88881.313535/2019-01
Coordenação de Aperfeicoamento de Pessoal de Nível Superior (CAPES), grant/award no. 88881.512929/2020- 01
Horizon 2020 (H2020), grant/award no. 818123: Integrated Assessment of Atlantic Marine Ecosystems in Space and Time
National Council for Scientific and Technological Development (CNPq), grant/award no. 312458/2020-7
São Paulo Research Foundation (FAPESP), grant/award no. 2016/10242-0
São Paulo Research Foundation (FAPESP), grant/award no. 2018/06790-7
São Paulo Research Foundation (FAPESP), grant/award no. 2018/15123-4
São Paulo Research Foundation (FAPESP), grant/award no. 2019/10642-6
São Paulo Research Foundation (FAPESP), grant/award no. 2019/24349-9
São Paulo Research Foundation (FAPESP), grant/award no. 2020/06534-0
São Paulo Research Foundation (FAPESP), grant/award no. 2022/09822-2
São Paulo Research Foundation (FAPESP), grant/award no. 2023/05764-0
Coverage:
Median Latitude: -20.944167 * Median Longitude: -25.381267 * South-bound Latitude: -34.710000 * West-bound Longitude: -46.451667 * North-bound Latitude: -10.945000 * East-bound Longitude: 17.338000
Date/Time Start: 1993-03-04T00:00:00 * Date/Time End: 2016-04-08T20:23:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
4 datasets

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Datasets listed in this bundled publication

  1. Pinho, TML; Chiessi, CM; Campos, MC et al. (2024): Globorotalia truncatulinoides carbon isotopic composition (δ13C) from southwestern South Atlantic sediment core GeoB2107-3. https://doi.org/10.1594/PANGAEA.964370
  2. Pinho, TML; Chiessi, CM; Campos, MC et al. (2024): Globigerinoides ruber Mg/Ca-based sea surface temperature (°C) from northwestern South Atlantic sediment core M125-95-3. https://doi.org/10.1594/PANGAEA.964372
  3. Pinho, TML; Chiessi, CM; Campos, MC et al. (2024): Globorotalia truncatulinoides carbon isotopic composition (δ13C) from northwestern South Atlantic sediment core M125-95-3. https://doi.org/10.1594/PANGAEA.964371
  4. Pinho, TML; Chiessi, CM; Campos, MC et al. (2024): Globorotalia inflata carbon isotopic composition (δ13C) from southeastern South Atlantic sediment core MD02-2594. https://doi.org/10.1594/PANGAEA.964369