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  • 2020-2024  (20)
  • 1995-1999
  • 2024  (20)
Document type
Keywords
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  • 2020-2024  (20)
  • 1995-1999
Year
  • 1
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    Complete analysis of sediment core MSM12/2-05-01 from the Labrador Sea: biomarkers, foraminiferal assemblages, XRF scanning, coarse fractions, and bulk parameters (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: These datasets originate from the gravity core MSM12/2-05-01 (57.538500, -48.738700, recovery 1494 cm, 3492 m water depth) taken during R/V Maria S. Merian cruise MSM12/2 in 2009 in the eastern Labrador Sea (Eirik Drift). These datasets show the history of sea surface characteristics in the Labrador Sea and the surrounding ice sheet activities, representing the last 50 ka. The XRF, biomarker, and planktic/benthic foraminifer data document the outstanding collapse of the Laurentide Ice Sheet/iceberg discharge during Heinrich Events (i.e., HE5, HE4, HE2, and HE1) and the occurrence of meltwater plumes from the Greenland Ice Sheet and/or Laurentide Ice Sheet during the last deglaciation. Such meltwater discharges have caused surface freshening in the Labrador Sea and, consequently, decreased sea surface temperatures and phytoplankton production. Enhanced Irminger Current inflow might have caused (sub-)surface warming in the Labrador Sea and triggered the retreat of ice sheets/meltwater discharge. In contrast to relatively low open-water productivity during the glacial period, the Last Glacial Maximum was characterized by increased sea ice algae and phytoplankton production, suggesting the presence of a polynya in front of the southern Greenland Ice Sheet.
    Keywords: Biomarkers; Coarse fraction; Foraminifera; Ice Sheet; Irminger Current; Labrador Sea; Sea surface; XRF
    Type: Dataset
    Format: application/zip, 10 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Total organic carbon content of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Keywords: AGE; Biomarkers; Carbon, inorganic, total; Carbon, organic, total; Coarse fraction; DEPTH, sediment/rock; Element analyser CHN, LECO; Foraminifera; GC; Gravity corer; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; Sea surface; XRF
    Type: Dataset
    Format: text/tab-separated-values, 406 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Ice rafted debris content of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: This dataset includes the IRD concentration of Core MSM12/2-05-01 from the eastern Labrador Sea. Here, we show the record representing the last 50 ka. IRD concentration is used for iceberg discharge.
    Keywords: AGE; Biomarkers; Calculated; Coarse fraction; DEPTH, sediment/rock; Foraminifera; GC; Gravity corer; Ice rafted debris; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; Sea surface; XRF
    Type: Dataset
    Format: text/tab-separated-values, 101 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Concentration and accumulation rates of highly branched isoprenoid and sterols of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: This dataset includes concentration and accumulation rates of highly branched isoprenoid and sterols of Core MSM12/2-05-01 from the eastern Labrador Sea. Here, we show the records representing the last 50 ka. IP25 indicates sea ice algae production. Dinosterol and brassicasterol indicate open-water phytoplankton productivity.
    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; Accumulation rate, 2,6,10,14-Tetramethyl-7-(3-methylpent-4-enyl)pentadecane; Accumulation rate, 24-Methylcholesta-5,22E-dien-3beta-ol; Accumulation rate, 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol; AGE; Biomarkers; Calculated; Coarse fraction; DEPTH, sediment/rock; Foraminifera; Gas chromatography - Mass spectrometry (GC-MS); GC; Gravity corer; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; Sea surface; XRF
    Type: Dataset
    Format: text/tab-separated-values, 1161 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Dolomite content of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: This dataset includes XRD (Dolomite) contents of Core MSM12/2-05-01 from the eastern Labrador Sea, indicating detrital carbonate from the Laurentide Ice Sheet.
    Keywords: AGE; Biomarkers; Coarse fraction; DEPTH, sediment/rock; Dolomite; Foraminifera; GC; Gravity corer; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; Sea surface; X-ray diffraction (XRD); XRF
    Type: Dataset
    Format: text/tab-separated-values, 28 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Stable hydrogen isotope compositions of palmitic acid of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: This dataset includes stable hydrogen isotope compositions of palmitic acid (n-fatty acid C16) of Core MSM12/2-05-01 from the eastern Labrador Sea, indicating sea surface salinity.
    Keywords: AGE; Biomarkers; Coarse fraction; DEPTH, sediment/rock; Foraminifera; Gas chromatography - isotope ratio mass spectrometry (GC-IRMS); GC; Gravity corer; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; n-fatty acid C16, δD; n-fatty acid C16, δD, standard error; Sea surface; XRF
    Type: Dataset
    Format: text/tab-separated-values, 52 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Sand size fraction of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: This dataset includes the percentage of fractions above 63 microns of Core MSM12/2-05-01 from the eastern Labrador Sea. Here, we show the record representing the last 50 ka.
    Keywords: AGE; Biomarkers; Coarse fraction; DEPTH, sediment/rock; Foraminifera; GC; Gravity corer; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; Sea surface; Size fraction 〉 0.063 mm, sand; Wet sieving; XRF
    Type: Dataset
    Format: text/tab-separated-values, 114 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Benthic foraminifera of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: This dataset includes concentration and accumulation rates of highly branched isoprenoid and sterols of Core MSM12/2-05-01 from the eastern Labrador Sea. Here, we show the records representing the last 50 ka. IP25 indicates sea ice algae production. Dinosterol and brassicasterol indicate open-water phytoplankton productivity.
    Keywords: Accumulation rate, Cibicidoides wuellerstorfi; Accumulation rate, Epistominella exigua; Accumulation rate, Melonis barleeanus; Accumulation rate, number of benthic foraminifera; AGE; Biomarkers; Calculated; Cibicidoides wuellerstorfi; Coarse fraction; Counting 〉125 µm fraction; DEPTH, sediment/rock; Epistominella exigua; Foraminifera; Foraminifera, benthic; GC; Gravity corer; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; Melonis barleeanus; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; Sea surface; XRF
    Type: Dataset
    Format: text/tab-separated-values, 1131 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Planktic foraminifera of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: This dataset includes the number, abundance, and accumulation rates of total planktic foraminifera of Core MSM12/2-05-01 from the eastern Labrador Sea. The number, percentages, and accumulation rates of dominant planktic foraminifera species are also included. Here, we show the records representing the last 50 ka. Changes in foraminifera assemblages indicate changes in water mass characteristics.
    Keywords: Accumulation rate, Globigerina bulloides; Accumulation rate, Neogloboquadrina pachyderma sinistral; Accumulation rate, planktic foraminifera by number; Accumulation rate, Turborotalita quinqueloba; AGE; Biomarkers; Calculated; Coarse fraction; Counting 〉125 µm fraction; DEPTH, sediment/rock; Foraminifera; Foraminifera, planktic; GC; Globigerina bulloides; Gravity corer; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; Neogloboquadrina pachyderma sinistral; Sea surface; Turborotalita quinqueloba; XRF
    Type: Dataset
    Format: text/tab-separated-values, 1167 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
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    Concentration and accumulation rates of alkenone, relative abundance of C37:4, and SST calculation based on the alkenone concentration of sediment core MSM12/2-05-01 (2024)
    PANGAEA
    Details
    Publication Date: 2024-03-05
    Description: This dataset includes concentration and accumulation rates of alkenone, the percentage of C37:4, and SST calculation based on the alkenone concentration of Core MSM12/2-05-01 from the eastern Labrador Sea. Here, we show the records representing the last 50 ka. The total alkenone content, %C37:4, and SSTs indicate open-water phytoplankton productivity, meltwater inflow, and sea surface temperatures, respectively.
    Keywords: Accumulation rate, alkenones; AGE; Alkenone, C37:4; Alkenone, per unit mass total organic carbon; Biomarkers; Calculated; Calculated from UK37 (Filippova et al., 2016); Coarse fraction; DEPTH, sediment/rock; Foraminifera; Gas chromatography - Flame Ionization Detection (GC-FID); GC; Gravity corer; Ice Sheet; Irminger Current; Labrador Sea; Maria S. Merian; MSM12/2; MSM12/2_647-1; MSM12/2-05-01; Sea surface; Sea surface temperature, summer; XRF
    Type: Dataset
    Format: text/tab-separated-values, 715 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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