Not logged in
PANGAEA.
Data Publisher for Earth & Environmental Science

Grigolato, Júlia; Chiessi, Cristiano Mazur; Bertassoli Junior, Dailson José; de Carvalho Campos, Marília; Shimizu, Marilia Harumi; Magalhães, Renê Hamada; Nace, Trevor; Sawakuchi, André Oliveira; Wahnfried, Ingo Daniel; Neri, Rafael; Cunha, Alan Cavalcanti; Cleverson, Silva G; Baker, Paul A; Govin, Aline; Zabel, Matthias (2025): Radiocarbon ages for marine sediment cores CDH-5 and GGC-4 under the influence of Amazon Basin discharge [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.986813

Always quote citation above when using data! You can download the citation in several formats below.

Published: 2025-10-29 • DOI registered: 2025-11-27

RIS CitationBibTeX Citation ShareShow MapGoogle Earth

Abstract:
Here we present radiocarbon from two marine sediment cores (CDH-5 and GGC-4) located in the western equatorial Atlantic, off the coast of the Amazon River mouth, along the path of the North Brazil Current, where Amazon-derived sediments accumulated. Radiocarbon data were obtained using radiocarbon ages of planktonic foraminifera, which were analyzed using accelerator mass spectrometry at the Woods Hole Oceanographic Institution (USA) and the Beta Analytic Laboratory (USA). All work was done at Beta in 4 in-house NEC accelerator mass spectrometers and 4 Thermo IRMSs. The "Conventional Radiocarbon Age" was calculated using the Libby half -life (5568 years), is corrected for total isotopic fraction and was used for calendar calibration where applicable.
Keyword(s):
Amazon Basin; Marine cores; Radiocarbon; XRF
Related to:
Grigolato, Júlia; Chiessi, Cristiano Mazur; Bertassoli, Dailson J Jr; Campos, Marília C; Shimizu, Marília H; Magalhães, Renê Hamada; Nace, Trevor; Sawakuchi, André Oliveira; Wahnfried, Ingo Daniel; Neri, Rafael; Cunha, Alan Cavalcanti; Silva, Cleverson Guizan; Baker, Paul A; Govin, Aline; Zabel, Matthias (2025): Past Amazon precipitation under different Atlantic Meridional Overturning Circulation and sea surface temperature scenarios of the last deglaciation. Quaternary Science Reviews, 362, 109425, https://doi.org/10.1016/j.quascirev.2025.109425
Funding:
Coordenação de Aperfeicoamento de Pessoal de Nível Superior (CAPES), grant/award no. 49558SM
Coordenação de Aperfeicoamento de Pessoal de Nível Superior (CAPES), grant/award no. 8881.712022/2022-1
National Council for Scientific and Technological Development (CNPq), grant/award no. 307179/2021-4
National Council for Scientific and Technological Development (CNPq), grant/award no. 312458/2020-7
National Council for Scientific and Technological Development (CNPq), grant/award no. 314830/2021-9
National Science Foundation (NSF), grant/award no. EAR-1812681
National Science Foundation (NSF), grant/award no. OCE-0823650
São Paulo Research Foundation (FAPESP), grant/award no. 2018/15123-4
São Paulo Research Foundation (FAPESP), grant/award no. 2018/23899-2
São Paulo Research Foundation (FAPESP), grant/award no. 2019/24977-0
São Paulo Research Foundation (FAPESP), grant/award no. 2021/00853-0
São Paulo Research Foundation (FAPESP), grant/award no. 2021/08085-1
São Paulo Research Foundation (FAPESP), grant/award no. 2022/06440-1
São Paulo Research Foundation (FAPESP), grant/award no. 2022/06452-0
São Paulo Research Foundation (FAPESP), grant/award no. 2022/07285-0
São Paulo Research Foundation (FAPESP), grant/award no. 2023/05764-0
Coverage:
Latitude: 4.450000 * Longitude: -48.600000
Date/Time Start: 2010-02-23T00:00:00 * Date/Time End: 2010-02-23T00:00:00
Minimum DEPTH, sediment/rock: 0.06 m * Maximum DEPTH, sediment/rock: 31.91 m
Event(s):
KNR197-4-4GGC  * Latitude: 4.450000 * Longitude: -48.600000 * Date/Time: 2010-02-23T00:00:00 * Elevation: -1708.0 m * Location: Amazon Basin * Campaign: KNR197-4 * Basis: Knorr * Method/Device: Gravity corer (GC)
KNR197-4-5CDH  * Latitude: 4.450000 * Longitude: -48.600000 * Date/Time: 2010-02-23T00:00:00 * Elevation: -1708.0 m * Location: Amazon Basin * Campaign: KNR197-4 * Basis: Knorr * Method/Device: Piston corer (PC)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventGrigolato, Júlia
2 Latitude of eventLatitudeGrigolato, Júlia
3 Longitude of eventLongitudeGrigolato, Júlia
4 Date/Time of eventDate/TimeGrigolato, Júlia
5 CoreCoreGrigolato, JúliaPlanktonic foraminifera were analyzed in all samples. Samples marked with asterisk (*) were previously analyzed by Nace (2012).
6 Laboratory code/labelLab labelGrigolato, Júlia
7 DEPTH, sediment/rockDepth sedmGrigolato, JúliaGeocode
8 Age, datedAge datedka BPGrigolato, Júliasee abstract
9 Age, dated, errorAge dated e±Grigolato, Júliasee abstract
10 Age, datedAge datedka BPGrigolato, Júliasee abstract
11 Age, dated, errorAge dated e±Grigolato, Júliasee abstract
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
144 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Latitude		3 
Longitude		4 
Date/Time		5 
Core
(Planktonic foraminifera were ...)		6 
Lab label		7 
Depth sed [m]		8 
Age dated [ka BP]		9 
Age dated e [±]		10 
Age dated [ka BP]		11 
Age dated e [±]
KNR197-4-4GGC 4.4500-48.60002010-02-23GGC-4Beta - 6185030.063.880.033.590.08
KNR197-4-4GGC4.4500-48.60002010-02-23GGC-4Beta - 6185040.267.440.037.700.02
KNR197-4-4GGC4.4500-48.60002010-02-23GGC-4Beta - 6185050.669.390.039.950.03
KNR197-4-4GGC4.4500-48.60002010-02-23GGC-4Beta - 6185060.8610.330.0311.230.03
KNR197-4-4GGC4.4500-48.60002010-02-23GGC-4Beta - 6185071.1110.740.0311.760.13
KNR197-4-4GGC4.4500-48.60002010-02-23GGC-4Beta - 6185081.6111.570.0412.800.03
KNR197-4-4GGC4.4500-48.60002010-02-23GGC-4Beta - 6185092.0612.110.0413.370.03
KNR197-4-5CDH 4.4500-48.60002010-02-23CDH-5*OS-822052.4513.250.0814.910.02
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-822064.4514.450.0916.610.03
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-822075.5514.800.0917.020.02
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-822098.9515.050.0817.280.19
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8221112.1517.200.0919.750.06
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8227413.2517.650.1120.290.07
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8227514.9518.000.0820.690.00
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8227616.5518.700.1221.610.07
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8227717.9519.000.0722.020.01
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8227819.6519.650.0922.700.01
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8232521.3520.100.0623.200.26
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8232622.8520.600.0623.650.06
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8232723.8521.000.0624.110.05
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5*OS-8232824.9521.600.0724.850.00
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5Beta - 62384028.1121.880.0725.250.09
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5Beta - 62384129.7123.130.0826.610.12
KNR197-4-5CDH4.4500-48.60002010-02-23CDH-5Beta - 62384231.9124.150.0927.480.02