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  • (9E)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; 151-912A; 151-912B; 2,10,14-Trimethyl-6-enyl-7-(3-methylpent-1-enyl)pentadecene, per unit mass total organic carbon; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-ethylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; AWI_Paleo; Calculated; Carbon, organic, total; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Element analyser CHN, LECO; Event label; Gas chromatography; Gas chromatography - Mass spectrometry (GC-MS); Joides Resolution; Leg151; Long-chain n-alkanes, C27+C29+C31, per unit mass total organic carbon; North Greenland Sea; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Phytoplankton biomarker Brassicasterol IP25 index; Sample code/label  (1)
  • (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene per unit sediment mass; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane per unit sediment mass; 24-ethylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Ethylcholest-5-en-3beta-ol per unit sediment mass; 24-Methylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Methylcholest-5-en-3beta-ol per unit sediment mass; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol per unit sediment mass; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol per unit sediment mass; Arctic Ocean; ARK-XI/1; AWI_Paleo; Carbon, organic, total; DEPTH, sediment/rock; Gas chromatography - Mass spectrometry (GC-MS); KAL; Kasten corer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS2757-8; PS36; PS36/052  (1)
Document type
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  • 1
    facet.materialart.
    Unknown
    Biomarker proxies on ODP Holes 151-912A and 151-912B (2013)
    PANGAEA
    In:  Supplement to: Stein, Ruediger; Fahl, Kirsten (2013): Biomarker proxy shows potential for studying the entire Quaternary Arctic sea ice history. Organic Geochemistry, 55, 98-102, https://doi.org/10.1016/j.orggeochem.2012.11.005
    Details
    Publication Date: 2023-11-30
    Description: A novel and promising biomarker proxy for reconstruction of Arctic sea ice conditions was developed and is based on the determination of a highly branched isoprenoid with 25 carbons (IP25). IP25 records have been restricted to the last 150 kyr BP. We present a biomarker record from Ocean Drilling Program (ODP) Site 912, going back to the Pliocene–Pleistocene boundary and indicating that sea ice of variable extent occurred in the Fram Strait/southern Yermak Plateau area at least since about 2.2 Ma. Furthermore, our data support the idea that a combination of IP25 and open water, phytoplankton biomarker data (“PIP25 index”) may give a more reliable and quantitative estimate of past sea ice cover (at least for the study area). The study reveals that the novel IP25/PIP25 biomarker approach has potential for semi-quantitative paleo-sea ice studies covering the entire Quaternary and could motivate further detailed high resolution research on ODP/IODP material using this proxy.
    Keywords: (9E)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; 151-912A; 151-912B; 2,10,14-Trimethyl-6-enyl-7-(3-methylpent-1-enyl)pentadecene, per unit mass total organic carbon; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-ethylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; AWI_Paleo; Calculated; Carbon, organic, total; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Element analyser CHN, LECO; Event label; Gas chromatography; Gas chromatography - Mass spectrometry (GC-MS); Joides Resolution; Leg151; Long-chain n-alkanes, C27+C29+C31, per unit mass total organic carbon; North Greenland Sea; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Phytoplankton biomarker Brassicasterol IP25 index; Sample code/label
    Type: Dataset
    Format: text/tab-separated-values, 170 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    (Supplementary Table 4) Biomarker data of Core PS2757-8 (Time interval MIS 6 - MIS5) (2017)
    PANGAEA
    Details
    Publication Date: 2023-11-30
    Keywords: (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene, per unit mass total organic carbon; (9Z)-2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyliden)pentadeca-9-ene per unit sediment mass; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane per unit sediment mass; 24-ethylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Ethylcholest-5-en-3beta-ol per unit sediment mass; 24-Methylcholest-5-en-3beta-ol, per unit mass total organic carbon; 24-Methylcholest-5-en-3beta-ol per unit sediment mass; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol per unit sediment mass; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol per unit sediment mass; Arctic Ocean; ARK-XI/1; AWI_Paleo; Carbon, organic, total; DEPTH, sediment/rock; Gas chromatography - Mass spectrometry (GC-MS); KAL; Kasten corer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS2757-8; PS36; PS36/052
    Type: Dataset
    Format: text/tab-separated-values, 481 data points
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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