Umar, Muhammad; Miramontes, Elda; Kasten, Sabine; Kockisch, Brit; Bendig, Jacqueline: Stable oxygen isotope data of Globorotalia inflata and radiocarbon dates for sediment cores GeoB22734-2 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996115 (dataset in review)
Abstract:
Stable oxygen isotopes were measured on planktonic foraminifera specimens of G. inflata (≥150 µm). Samples of G. inflata were handpicked and more than 3 specimens were used for analysis. Samples were taken every 10 cm along core GeoB22734-2. Intervals with clear turbidite deposits were not sampled to avoid reworked specimens. Stable oxygen isotopes were measured using a Thermo Fisher Scientific 253 plus gas isotope ratio mass spectrometer with a Kiel IV automated carbonate preparation device at the MARUM - Center for Marine Environmental Sciences, University of Bremen. During analyses, an in-house standard (i.e. Solnhofen limestone) calibrated against the international reference material NBS-19 was used for instrument calibration. Standard deviation of the Solnhofen limestone over the measurement period was <0.06% for δ¹⁸O. All δ¹⁸O data presented here are shown relative to the VPDB standard. We express our δ¹⁸O values as ice volume corrected (ivc) in order to isolate the regional hydrographic signal from global ice volume fluctuations.
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Coverage:
Latitude: -36.141433 * Longitude: -53.285983
Date/Time Start: 2018-02-03T09:28:00 * Date/Time End: 2018-02-03T09:28:00
Minimum DEPTH, sediment/rock: 0.05 m * Maximum DEPTH, sediment/rock: 8.44 m
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Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Umar, Muhammad | Geocode | |
| 2 | Depth, corrected | Depth corr | m | Umar, Muhammad | after removing turbidites section | |
| 3 | Turbidite | Turbidite | Umar, Muhammad | |||
| 4 | AGE | Age | ka BP | Umar, Muhammad | Geocode | |
| 5 | Globorotalia inflata, δ13C | G. inflata δ13C | ‰ PDB | Umar, Muhammad | raw | |
| 6 | Globorotalia inflata, δ18O | G. inflata δ18O | ‰ PDB | Umar, Muhammad | raw | |
| 7 | Globorotalia inflata, δ13C | G. inflata δ13C | ‰ PDB | Umar, Muhammad | Isotope Ratio Mass Spectrometer (IRMS), Thermo Fisher Scientific, MAT 253 Plus; coupled with Carbonate preparation device, Thermo Fisher Scientific, KIEL IV | vs. VPDB corr. |
| 8 | Globorotalia inflata, δ18O | G. inflata δ18O | ‰ PDB | Umar, Muhammad | Isotope Ratio Mass Spectrometer (IRMS), Thermo Fisher Scientific, MAT 253 Plus; coupled with Carbonate preparation device, Thermo Fisher Scientific, KIEL IV | vs. VPDB corr. |
| 9 | Globorotalia inflata, δ18O | G. inflata δ18O | ‰ PDB | Umar, Muhammad | Isotope Ratio Mass Spectrometer (IRMS), Thermo Fisher Scientific, MAT 253 Plus; coupled with Carbonate preparation device, Thermo Fisher Scientific, KIEL IV | IVC |
| 10 | Globorotalia inflata, δ13C, standard deviation | G. inflata δ13C std | ± | Umar, Muhammad | ||
| 11 | Globorotalia inflata, δ18O, standard deviation | G. inflata δ18O std | ± | Umar, Muhammad |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
541 data points