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  • 1
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    Unknown
    Biomarker distributions in sediment core PS72/410-2 (2015)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Arctic Ocean; ARK-XXIII/3; AWI_Paleo; Carbon, organic, total; Carbon sulphur analyzer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gas chromatography - Mass spectrometry (GC-MS); MUC; MultiCorer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS72; PS72/410-2
    Type: Dataset
    Format: text/tab-separated-values, 90 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Chlorophyll a measured on water bottle samples during POLARSTERN cruise ARK-XXVII/3 (2015)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: Arctic Ocean; ARK-XXVII/3; AWI_BioOce; Biological Oceanography @ AWI; Chlorophyll a; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; Expendable CTD; incl. ice station; Laptev Sea; Latitude of event; Longitude of event; Polarstern; PS80/201-1; PS80/209-1; PS80/213-1; PS80/215-1; PS80/218-1; PS80/220-1; PS80/230-1; PS80/234-1; PS80/235-1; PS80/238-1; PS80/244-1; PS80/250-1; PS80/256-1; PS80/263-1; PS80/269-1; PS80/271-1; PS80/275-1; PS80/284-1; PS80/287-1; PS80/289-1; PS80/294-1; PS80/295-1; PS80/297-1; PS80/298-1; PS80/311-1; PS80/314-1; PS80/316-1; PS80/317-1; PS80/319-1; PS80/329-1; PS80/333-2; PS80/336-1; PS80/341-1; PS80/357-1; PS80/370-1; PS80/372-1; PS80/377-1; PS80/380-1; PS80/383-1; PS80/396-1; PS80/XCTD30-1; PS80 IceArc; XCTD
    Type: Dataset
    Format: text/tab-separated-values, 235 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Biomarker data from surface sediments and environmental data from the (sub)Arctic (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: For the interpretation of proxy reconstructions it is necessary to understand the recent signals of different sea-ice proxies from various regions. We present 260 new sediment surface samples collected in the (sub-) Arctic Oceans that were analysed for specific sea-ice (IP~25~) and open-water phytoplankton biomarkers (brassicasterol, dinosterol, HBI III). This new biomarker dataset was combined with 615 previously published biomarker surface samples into a pan-Arctic database. This comprehensive dataset is compared to satellite-based sea-ice concentrations and other environmental parameters to contribute to a better understanding of biomarker distributions as a basis for sea-ice reconstructions on a (sub-) Arctic scale.
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Temporal and spatial LGM variability of biomarker records in the Arctic Ocean (2015)
    PANGAEA
    In:  Supplement to: Xiao, Xiaotong; Stein, Ruediger; Fahl, Kirsten (2015): MIS 3 to MIS 1 temporal and LGM spatial variability in Central Arctic Ocean sea-ice cover: Reconstruction from biomarkers. Paleoceanography, 30(7), 969-983, https://doi.org/10.1002/2015PA002814
    Details
    Publication Date: 2023-03-16
    Description: Using the sea ice proxy IP25 and phytoplankton-derived biomarkers (brassicasterol and dinosterol) Arctic sea-ice conditions were reconstructed for Marine Isotope Stage (MIS) 3 to 1 in sediment cores from the north of Barents Sea continental margin across the Central Arctic to the Southern Mendeleev Ridge. Our results suggest more extensive sea-ice cover than present-day during MIS 3, increasing sea-ice growth during MIS 2 and decreased sea-ice cover during the last deglacial. The summer ice edge sustained north of the Barents Sea even during extremely cold (i.e., Last Glacial Maximum (LGM)) as well as warm periods (i.e., Bølling-Allerød). During the LGM, the western Svalbard margin and the northern Barents Sea margin areas were characterized by high concentrations of both IP25 and phytoplankton biomarkers, interpreted as a productive ice-edge situation, caused by the inflow of warm Atlantic Water. In contrast, the LGM high Arctic proper (north of 84°N) was covered by thick permanent sea ice throughout the year with rare break up, indicated by zero or near-zero biomarker concentrations. The spring/summer sea-ice margin significantly extended southwards to the southern Lomonosov Ridge and Mendeleev Ridge during the LGM. Our proxy reconstructions are very consistent with published model results based on the North Atlantic/Arctic Ocean Sea Ice Model (NAOSIM).
    Keywords: AWI_Paleo; Paleoenvironmental Reconstructions from Marine Sediments @ AWI
    Type: Dataset
    Format: application/zip, 8 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Biomarker distributions in sediment core PS2170-4 (2015)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Amundsen Basin; ARK-VIII/3; AWI_Paleo; Carbon, organic, total; Carbon sulphur analyzer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gas chromatography - Mass spectrometry (GC-MS); MUC; MultiCorer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS19/165; PS19 ARCTIC91; PS2170-4
    Type: Dataset
    Format: text/tab-separated-values, 120 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Biomarker distributions in sediment core PS2163-1 (2015)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; ARK-VIII/3; AWI_Paleo; Carbon, organic, total; Carbon sulphur analyzer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gakkel Ridge, Arctic Ocean; Gas chromatography - Mass spectrometry (GC-MS); MUC; MultiCorer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS19/157; PS19 ARCTIC91; PS2163-1
    Type: Dataset
    Format: text/tab-separated-values, 156 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Biomarker distributions in sediment core PS2185-4 (2015)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; ARK-VIII/3; AWI_Paleo; Carbon, organic, total; Carbon sulphur analyzer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gas chromatography - Mass spectrometry (GC-MS); Lomonosov Ridge, Arctic Ocean; MUC; MultiCorer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS19/186; PS19 ARCTIC91; PS2185-4
    Type: Dataset
    Format: text/tab-separated-values, 126 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Biomarker distributions in sediment core PS2446-4 (2015)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; ARK-IX/4; AWI_Paleo; Barents Sea; Carbon, organic, total; Carbon sulphur analyzer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gas chromatography - Mass spectrometry (GC-MS); KAL; Kasten corer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS2446-4; PS27; PS27/020
    Type: Dataset
    Format: text/tab-separated-values, 180 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Biomarker distributions in sediment core PS2206-4 (2015)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; ARK-VIII/3; AWI_Paleo; Carbon, organic, total; Carbon sulphur analyzer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gakkel Ridge, Arctic Ocean; Gas chromatography - Mass spectrometry (GC-MS); MUC; MultiCorer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS19/228; PS19 ARCTIC91; PS2206-4
    Type: Dataset
    Format: text/tab-separated-values, 162 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
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    Biomarker distributions in sediment core PS72/340-5 (2015)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Keywords: 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane, per unit mass total organic carbon; 24-Methylcholesta-5,22E-dien-3beta-ol, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Arctic Ocean; ARK-XXIII/3; AWI_Paleo; Carbon, organic, total; Carbon sulphur analyzer; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Gas chromatography - Mass spectrometry (GC-MS); KAL; Kasten corer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS72; PS72/340-5
    Type: Dataset
    Format: text/tab-separated-values, 90 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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