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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

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Abstract:
The data were obtained from cores PS51/154-11 (77.276000°N, 120.609833°W; 270 m) and PS51/159-10 (76.766667°N, 116.031667°W; 60 m) in the western Laptev Sea. Sediments were subsampled from the cores with 10 mL syringes in 5–10 cm intervals. The dataset includes: 1) stable carbon isotope ratio (δ13C) from bulk organic matter; 2) additional radiocarbon measurements on microfossils; and 3) biomarker indices, including the n-alkane based Carbon Preference Index (CPI), the Sphagnum proxy (C25/(C25+C29) ratio), the syringyl phenols to vanillyl phenols ratio (S/V), the cinnamyl phenols to vanillyl phenols ratio (C/V), the vanillic acid to vanillin ratio (Vd/Vl), and the mass accumulation rate of high molecular weight fatty acids (C24:0+C26:0+C28:0+C30:0, HMW fatty acid MAR).
Keyword(s):
13C; 14C; Arctic Ocean; Biomarker; Fatty acid; Laptev Sea; Lignin phenols; MAR; Marine sediment; Marine Sediment Core; Mass accumulation rate; n-alkane; Radiocarbon dating
Supplement to:
Lin, Tsai-Wen; Tesi, Tommaso; Hefter, Jens; Grotheer, Hendrik; Wollenburg, Jutta Erika; Adolphi, Florian; Bauch, Henning A; Nogarotto, Alessio; Müller, Juliane; Mollenhauer, Gesine (preprint): Environmental controls of rapid terrestrial organic matter mobilization to the western Laptev Sea since the last deglaciation. https://doi.org/10.5194/cp-2024-60
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:
Median Latitude: 77.021333 * Median Longitude: 118.320750 * South-bound Latitude: 76.766667 * West-bound Longitude: 116.031667 * North-bound Latitude: 77.276000 * East-bound Longitude: 120.609833
Date/Time Start: 1998-08-16T19:20:00 * Date/Time End: 1998-08-18T01:52:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
6 datasets

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Datasets listed in this bundled publication

  1. Lin, T-W; Grotheer, H; Wollenburg, JE et al. (2025): Radiocarbon data of microfossils from sediment core PS51/154-11. https://doi.pangaea.de/10.1594/PANGAEA.980077
  2. Lin, T-W; Tesi, T; Mollenhauer, G (2025): Stable carbon isotope ratios of bulk organic matters from sediment core PS51/154-11. https://doi.pangaea.de/10.1594/PANGAEA.980081
  3. Lin, T-W; Tesi, T; Hefter, J et al. (2025): n-alkane, fatty acid, and lignin phenol-based indices from sediment core PS51/154-11. https://doi.pangaea.de/10.1594/PANGAEA.980082
  4. Lin, T-W; Grotheer, H; Wollenburg, JE et al. (2025): Radiocarbon data of microfossils from sediment core PS51/159-10. https://doi.pangaea.de/10.1594/PANGAEA.980078
  5. Lin, T-W; Tesi, T; Mollenhauer, G (2025): Stable carbon isotope ratios of bulk organic matters from sediment core PS51/159-10. https://doi.pangaea.de/10.1594/PANGAEA.980079
  6. Lin, T-W; Tesi, T; Hefter, J et al. (2025): n-alkane, fatty acid, and lignin phenol-based indices from sediment core PS51/159-10. https://doi.pangaea.de/10.1594/PANGAEA.980083