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  • 1
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    Late Quaternary biomarker data from northern Wijdefjorden, Svalbard (2020)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: TOC, IP25, HBI Z-triene (HBI-III), C46-GDGT data and median ages from a marine sediment core, northern Wijdefjorden, Svalbard. The dataset spans from the last deglaciation until present. It has been used to reconstruct the sea-ice history and sea water temperature variations.
    Keywords: 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; AGE; Branched and isoprenoid tetraether index; Carbon, organic, total; Core; CORE; DEPTH, sediment/rock; HH17‐1079‐GC‐MF; Highly branched isoprenoids (Z), triunsatured, per unit mass total organic carbon; Holocene glacial history; Hydroxylated acyclic glycerol dialkyl glycerol tetraether; Hydroxylated dicyclic glycerol dialkyl glycerol tetraether; Hydroxylated monocyclic glycerol dialkyl glycerol tetraether; Ring index of hydroxylated glycerol dialkyl glycerol tetraethers; sea-ice; Sea surface temperature; sea water temperatures; SST, from Ri OH-GDGTs, Lü et al. (2015); Svalbard
    Type: Dataset
    Format: text/tab-separated-values, 548 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    The Svalhola Database (2020)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: The Svalhola database: standardized and re-calibrated Holocene radiocarbon, luminescence and cosmogenic exposure ages from Svalbard. In total 1837 individual ages from 722 discrete locations. The data are organised in three individual (excel) tables: S1 contains all Holocene C14-ages and tephra layers identified in Svalbard, S2 contains all Holocene luminescence ages from Svalbard and S3 contains all Holocene cosmogenic exposure ages from Svalbard. There is a corresponding .shp file created for each one of the tables.
    Keywords: Binary Object; Binary Object (File Size); Binary Object (Media Type); C-14; chronologies; Holocene; MULT; Multiple investigations; OSL; PDI-24556; Svalbard; Svalhola; TCN
    Type: Dataset
    Format: text/tab-separated-values, 7 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Late Quaternary glacier and sea‐ice history of northern Wijdefjorden, Svalbard (2020)
    In:  EPIC3Boreas, 49(3), pp. 417-437, ISSN: 0300-9483
    Details
    Publication Date: 2022-04-12
    Description: The deglaciation history and Holocene environmental evolution of northern Wijdefjorden, Svalbard, are reconstructed using sediment cores and acoustic data (multibeam swath bathymetry and sub-bottom profiler data). Results reveal that the fjord mouth was deglaciated prior to 14.5±0.3 cal. ka BP and deglaciation occurred stepwise. Biomarker analyses show rapid variations in water temperature and sea ice cover during the deglaciation, and cold conditions during the Younger Dryas, followed by minimum sea ice cover throughout the Early Holocene, until c. 7 cal. ka BP. Most of the glaciers in Wijdefjorden had retreated onto land by c. 7.6±0.2 cal. ka BP. Subsequently, the sea-ice extent increased and remained high throughout the last part of the Holocene. We interpret a high Late Holocene sediment accumulation rate in the northernmost core to reflect increased sediment flux to the site from the outlet of the adjacent lake Femmilsjøen, related to glacier growth in the Femmilsjøen catchment area. Furthermore, increased sea ice cover, lower water temperatures and the re-occurrence of ice-rafted debris indicate increased local glacier activity and overall cooler conditions in Wijdefjorden after c. 0.5 cal. ka BP. We summarize our findings in a conceptual model for the depositional environment in northern Wijdefjorden from the Late Weichselian until present.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Location Call Number Limitation Availability
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    PAPER (OA)
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