Kubota, Kaoru; Tanabe, Rosaaideihn; Ikehara, Minoru; Kozaka, Yukiko; Seike, Koji; Miyairi, Yosuke; Yokoyama, Yusuke (2022): Dataset used to obtain an age model of marine sediment core KH19-6 Leg 4 PC10/MC14 from the Agulhas Ridge in the South Atlantic Ocean [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.949117
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Abstract:
An age model of marine sediment core is a prerequisite to start environmental studies of the past such as paleoceanography, paleoclimatology, and paleo-hazard studies. Here we report the comprehensive geochemical dataset used to determine the age model of marine sediment cores collected from Agulhas Ridge in the South Atlantic Ocean using piston coring and multiple-coring systems during the 30th Anniversary expeditions of R/V Hakuho Maru in 2019–2020 (KH19-6 Leg.4 PC10/MC14, water depth of 4,604 m). A whole 0.29-m-long multiple core (MC14) and the top 3.27 meter of 12.28-meter-long piston core (PC10) were dated. The dataset includes radiocarbon ages of planktonic foraminifera shells and oxygen isotopes of both planktonic (Globigerinoides bulloides, Globorotalia inflata) and benthic (Gyroidina soldanii) foraminifera shells. The results suggested that the top 7.5 kyr record was lost, the ages of 3.27 m depth below sea floor was ~140 kyr ago, and sedimentation rates were 0.9–5.5 kyr/cm.
Keyword(s):
Agulhas Ridge; Benthic and planktonic foraminifera; d18O; d18O of planktic foraminifera; Foraminifera; Foraminiferal geochemistry; foraminifera oxygen isotopes. Late Quaternary; Globigerina bulloides; Globorotalia inflata; Gyroidina soldanii; oxygen and carbon isotopes; Oxygen and carbon stable isotopes; planktic foraminifera; radiocarbon; radiocarbon age; radiocarbon age model; radiocarbon ages; Radiocarbon chronology; radiocarbon dates; radiocarbon dating
Supplement to:
Kubota, Kaoru; Tanabe, Rosaaideihn; Ikehara, Minoru; Kozaka, Yukiko; Seike, Koji; Miyairi, Yosuke; Yokoyama, Yusuke (2023): Dataset for the establishment of an age model of marine sediment core KH19-6 Leg.4 PC10/MC14 collected from the Agulhas Ridge in the South Atlantic Ocean. Data in Brief, 46, 108797, https://doi.org/10.1016/j.dib.2022.108797
Coverage:
Latitude: -39.637400 * Longitude: 14.482200
Date/Time Start: 2020-01-14T00:00:00 * Date/Time End: 2020-01-14T00:00:00
Minimum DEPTH, sediment/rock: 0.005 m * Maximum DEPTH, sediment/rock: 3.265 m
Event(s):
KH-19-6/4_MC14 (MC14) * Latitude: -39.637400 * Longitude: 14.482200 * Date/Time: 2020-01-14T00:00:00 * Elevation: -4604.0 m * Campaign: KH-19-6/4 * Basis: Hakuho-Maru * Method/Device: MultiCorer (MUC)
KH-19-6/4_PC10 (PC10) * Latitude: -39.637400 * Longitude: 14.482200 * Date/Time: 2020-01-14T00:00:00 * Elevation: -4604.0 m * Campaign: KH-19-6/4 * Basis: Hakuho-Maru * Method/Device: Piston corer (PC)
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2517 data points
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