Wu, Junjie; Stein, Ruediger; Sachs, Julian P; Wolhowe, Matthew D; Fahl, Kirsten; You, Defang: Compound-specific hydrogen isotope and radiocarbon analysis from core ARA04C/37, Beaufort Sea [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.972990 (dataset in review)
Abstract:
This dataset contains compound-specific isotope analyses of sediments from core ARA04C/37, collected from the Canadian Beaufort Sea (70°38.0212′N, 139°22.0749′W; 1173 m depth) during the ARA04C cruise in 2013. The data spans the last 14,000 years and focuses on reconstructing sea surface salinity during the Younger Dryas in the Canadian Beaufort Sea. The analyses include the hydrogen isotopic composition of both short-chain fatty acids (C16:0 and C18:0) and long-chain fatty acids (C28:0 and C30:0), as well as microalgal biomarkers (brassicasterol and dinosterol). Additionally, radiocarbon content of the short-chain fatty acid C16:0 is included. The hydrogen isotopic analyses were conducted at the University of Washington in 2020, while radiocarbon dating was performed at AWI in 2018 using the AWI MICADAS facility.
Keyword(s):
Additional metadata:
Coverage:
Latitude: 70.633687 * Longitude: -139.367915
Date/Time Start: 2013-09-23T07:38:00 * Date/Time End: 2013-09-23T08:00:00
Minimum DEPTH, sediment/rock: 0.09 m * Maximum DEPTH, sediment/rock: 5.93 m
Event(s):
ARA04C/37 (37GVC1) * Latitude: 70.633687 * Longitude: -139.367915 * Date/Time Start: 2013-09-23T07:38:00 * Date/Time End: 2013-09-23T08:00:00 * Elevation: -1173.0 m * Location: Beaufort Sea * Campaign: ARA04C * Basis: Araon * Method/Device: Gravity corer (GC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
| 2 | AGE | Age | ka BP | Geocode | ||
| 3 | n-fatty acid C16:0, δD | n-C16:0 δD | ‰ SMOW | Wolhowe, Matthew D | Gas chromatography - isotope ratio mass spectrometry (GC-IRMS), Thermo Fisher Scientific, DELTA V Plus | |
| 4 | n-fatty acid C16:0, δD, standard deviation | n-C16:0 δD std dev | ± | Wolhowe, Matthew D | ||
| 5 | n-fatty acid C18:0, δD | n-C18:0 δD | ‰ SMOW | Wolhowe, Matthew D | Gas chromatography - isotope ratio mass spectrometry (GC-IRMS), Thermo Fisher Scientific, DELTA V Plus | |
| 6 | n-fatty acid C18:0, δD, standard deviation | n-C18:0 δD std dev | ± | Wolhowe, Matthew D | ||
| 7 | n-fatty acid C28:0, δD | n-C28:0 δD | ‰ SMOW | Wolhowe, Matthew D | Gas chromatography - isotope ratio mass spectrometry (GC-IRMS), Thermo Fisher Scientific, DELTA V Plus | |
| 8 | n-fatty acid C28:0, δD, standard deviation | n-C28:0 δD std dev | ± | Wolhowe, Matthew D | ||
| 9 | n-fatty acid C30:0, δD | n-C30:0 δD | ‰ SMOW | Wolhowe, Matthew D | Gas chromatography - isotope ratio mass spectrometry (GC-IRMS), Thermo Fisher Scientific, DELTA V Plus | |
| 10 | n-fatty acid C30:0, δD, standard deviation | n-C30:0 δD std dev | ± | Wolhowe, Matthew D | ||
| 11 | 24-Methylcholesta-5,22E-dien-3beta-ol, δD | Brassicasterol, δD | ‰ SMOW | Wolhowe, Matthew D | Gas chromatography - isotope ratio mass spectrometry (GC-IRMS), Thermo Fisher Scientific, DELTA V Plus | |
| 12 | 24-Methylcholesta-5,22E-dien-3beta-ol, δD, standard deviation | Brassicasterol δD std dev | ± | Wolhowe, Matthew D | ||
| 13 | 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, δD | Dinosterol δD | ‰ SMOW | Wolhowe, Matthew D | Gas chromatography - isotope ratio mass spectrometry (GC-IRMS), Thermo Fisher Scientific, DELTA V Plus | |
| 14 | 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, δD, standard deviation | Dinosterol δD std dev | ± | Wolhowe, Matthew D | ||
| 15 | Fraction modern carbon | F14C | Grotheer, Hendrik | Accelerator mass spectrometry, Ionplus, Mini Carbon Dating System (MiCaDaS AWI) | nC16:0 fatty acid | |
| 16 | Fraction modern carbon, standard deviation | F14C std dev | ± | Grotheer, Hendrik | nC16:0 fatty acid |
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:
106 data points