Lin, Tsai-Wen; Tesi, Tommaso; Hefter, Jens; Grotheer, Hendrik; Mollenhauer, Gesine (2025): n-alkane, fatty acid, and lignin phenol-based indices from sediment core PS51/154-11 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.980082 (DOI registration in progress), In: Lin, Tsai-Wen; Tesi, Tommaso; Hefter, Jens; Grotheer, Hendrik; Wollenburg, Jutta Erika; Mollenhauer, Gesine (2025): Bulk organic matter δ13C, biomarker, and microfossil radiocarbon data of cores PS51/154-11 and PS51/159-10 from the Laptev Sea, Arctic Ocean [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.980076 (DOI registration in progress)
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Published: 2025-04-02
Abstract:
This dataset includes biomarker indices and data used to calculate the mass accumulation rate of high molecular weight fatty acids in core PS51/154-11, including 1) n-alkane-based indices: the Carbon Preference Index (CPI) and the Sphagnum proxy (C25/(C25+C29) ratio); 2) lignin phenol-based indices: the syringyl phenols to vanillyl phenols ratio (S/V), the cinnamyl phenols to vanillyl phenols ratio (C/V), and the vanillic acid to vanillin ratio (Vd/Vl); 3) data for calculating the mass accumulation rate of high molecular weight fatty acids (C24:0+C26:0+C28:0+C30:0, HMW fatty acid MAR), which includes sedimentation rate, dry bulk density, and high molecular weight fatty acid content. N-alkanes and fatty acids were extracted with a mixture of dichloromethane (DCM) + methanol (v/v = 9:1) and analyzed with an Agilent 7890A gas chromatograph equipped with a flame ionization detector (GC-FID) using an Agilent J&W DB-5MS column (60 m × 250 μm × 0.25 μm-thick film). Lignin phenols were obtained through the CuO oxidation process, extracted with ethyl acetate, and analyzed with an Agilent Technologies 7820A gas chromatograph coupled with a 5977B MSD mass selective detector (GC-MS) equipped with a 30m × 320 μm × 0.25 μm-thick film column (Trajan SGE PB-1).
Keyword(s):
Funding:
Helmholtz Association of German Research Centres (HGF), grant/award no. PIE-0018: German-Italian partnership project between AWI and CNR-ISP on Chronologies for Polar Paleoclimate Archives (PAIGE)
Coverage:
Latitude: 77.276000 * Longitude: 120.609833
Date/Time Start: 1998-08-16T19:20:00 * Date/Time End: 1998-08-16T19:25:00
Minimum DEPTH, sediment/rock: 0.105 m * Maximum DEPTH, sediment/rock: 6.505 m
Event(s):
PS51/154-11 * Latitude: 77.276000 * Longitude: 120.609833 * Date/Time Start: 1998-08-16T19:20:00 * Date/Time End: 1998-08-16T19:25:00 * Elevation: -270.0 m * Penetration: 7.8 m * Recovery: 6.74 m * Location: Laptev Sea * Campaign: ARK-XIV/1b (PS51 Transdrift-V) * Basis: Polarstern * Method/Device: Kasten corer (KAL) * Comment: 7 core sections: 0.03-0.9, 0.9-1.91, 1.91-2.91, 2.91-3.91, 3.91-4.91, 4.91-5.91, 5.91-6.74 m
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, sediment/rock | Depth sed | m | Lin, Tsai-Wen | Geocode | |
| 2 | AGE | Age | ka BP | Lin, Tsai-Wen | Geocode | |
| 3 | Sedimentation rate | SR | cm/ka | Lin, Tsai-Wen | ||
| 4 | Density, dry bulk | DBD | g/cm3 | Lin, Tsai-Wen | ||
| 5 | Fatty acids, high molecular weight, per unit sediment mass | HMW FA/sed | µg/g | Lin, Tsai-Wen | Gas chromatograph, Agilent, 7890A; with flame ionization detection (FID); using an Agilent J&W DB-5MS column (60 m × 250 μm × 0.25 μm-thick film) | |
| 6 | n-Alkane, C25/(C25+C29) ratio | C25/(C25+C29) | Lin, Tsai-Wen | Gas chromatograph, Agilent, 7890A; with flame ionization detection (FID); using an Agilent J&W DB-5MS column (60 m × 250 μm × 0.25 μm-thick film) | Sphagum proxy | |
| 7 | Carbon Preference Index, n-Alkanes | CPI n-Alkanes | Lin, Tsai-Wen | Gas chromatograph, Agilent, 7890A; with flame ionization detection (FID); using an Agilent J&W DB-5MS column (60 m × 250 μm × 0.25 μm-thick film) | ||
| 8 | Syringyl phenols/vanillyl phenols ratio | S/V | Lin, Tsai-Wen | Gas chromatograph, Agilent, 7890A; coupled with a 5977B MSD mass selective detector (GC-MS); equipped with a 30 m × 320 μm × 0.25 μm-thick film column (Trajan SGE PB-1) | ||
| 9 | Cinnamyl phenols/vanillyl phenols ratio | C/V | Lin, Tsai-Wen | Gas chromatograph, Agilent, 7890A; coupled with a 5977B MSD mass selective detector (GC-MS); equipped with a 30 m × 320 μm × 0.25 μm-thick film column (Trajan SGE PB-1) | ||
| 10 | Vanillic acid/vanillin ratio | (Ad/Al)v | Lin, Tsai-Wen | Gas chromatograph, Agilent, 7890A; coupled with a 5977B MSD mass selective detector (GC-MS); equipped with a 30 m × 320 μm × 0.25 μm-thick film column (Trajan SGE PB-1) |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
520 data points