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Steinsland, Kristine; Grant, Danielle; Fahl, Kirsten; Stein, Ruediger; Rasmussen, Tine L; Ninnemann, Ulysses S; Knies, Jochen; Velle, Julie Heggdal; De Schepper, Stijn (2025): Biomarkers from sediment core CAGE19-3-KH14-GPC02 (140-90 ka) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.973605, In: Steinsland, K et al. (2025): Multiproxy data from sediment core CAGE19-3-KH14-GPC02 between 140 and 90 ka [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.973596

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Published: 2025-01-24 • DOI registered: 2025-02-22

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Abstract:
The dataset includes biomarkers (IP25, Brassicasterol, Campesterol, Dinosterol and Sitosterol reported in µg/gTOC and µg/g sediment, the PIP25 index for semi-quantitative sea ice reconstruction and total organic carbon %. Biomarkers were measured by gas chromatography-mass-spectrometry and total organic carbon was measured using an ELTRA CS2000 Carbon Sulfur Detector.
Keyword(s):
Biomarkers; Fram Strait; IP25; Sea ice
Related to:
Steinsland, Kristine; Grant, Danielle M; Fahl, Kirsten; Stein, Ruediger; Rasmussen, Tine L; Risebrobakken, Bjørg; Ninnemann, Ulysses S; Knies, Jochen; Velle, Julie Heggdal; De Schepper, Stijn (2025): Sea ice variability from the penultimate glacial to the last interglacial in the eastern Fram Strait. Palaeogeography, Palaeoclimatology, Palaeoecology, 663, 112779, https://doi.org/10.1016/j.palaeo.2025.112779
Funding:
Horizon 2020 (H2020), grant/award no. 818449: Genetic information for Arctic sea ice study
Coverage:
Latitude: 77.523000 * Longitude: 8.401380
Date/Time Start: 2019-11-03T13:42:00 * Date/Time End: 2019-11-03T13:42:00
Minimum DEPTH, sediment/rock: 4.58 m * Maximum DEPTH, sediment/rock: 6.58 m
Event(s):
19-3-KH-14-GPC02 * Latitude: 77.523000 * Longitude: 8.401380 * Date/Time: 2019-11-03T13:42:00 * Elevation: -2275.0 m * Recovery: 13.50 m * Method/Device: Giant piston corer (Calypso) (GPC-C)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, sediment/rockDepth sedmSteinsland, KristineGeocode
2AGEAgeka BPSteinsland, KristineGeocode
3Carbon, organic, totalTOC%Steinsland, KristineCarbon Analyzer, Eltra, CS2000
4Dry massDry mgSteinsland, Kristine
52,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit sediment massIP25/sedµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
62,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbonIP25/TOCµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
724-Methylcholesta-5,22E-dien-3beta-ol, per unit sediment massBrassicasterol/sedµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
824-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbonBrassicasterol/TOCµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
924-Methylcholest-5-en-3beta-ol, per unit sediment massCampesterol/sedµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
1024-Methylcholest-5-en-3beta-ol, per unit mass total organic carbonCampesterol/TOCµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
1124-Ethylcholest-5-en-3beta-ol, per unit sediment massb-Sitosterol/sedµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
1224-ethylcholest-5-en-3beta-ol, per unit mass total organic carbonb-Sitosterol/TOCµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
134alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit sediment massDinosterol/sedµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
144alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbonDinosterol/TOCµg/gSteinsland, KristineGas chromatography - Mass spectrometry (GC-MS)
15Phytoplankton biomarker Brassicasterol IP25 indexPBIP25Steinsland, Kristinec factor for PBIP25 calculation = 0.019008241; calculated based on TOC %
16Phytoplankton biomarker Dinosterol IP25 indexPDIP25Steinsland, Kristinec factor for PDIP25 calculation = 0.032353344; calculated based on TOC %
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1876 data points

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