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  • 2020-2024  (3)
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  • 1
    facet.materialart.
    Unknown
    Raw fossil diatom counts of sediment core DMD-14-3 from Dronning Marie Dal saltmarsh, SE Greenland (2024)
    PANGAEA
    Details
    Publication Date: 2024-02-28
    Description: The dataset is raw diatom counts (minimum 250 count size) from a sediment core taken from within high saltmarsh at the mouth of Dronning Marie Dal in south east Greenland (63.470N, -41.925W). The data was collected on 19/07/2014 during a research cruise to the area as part of the X_Centuries research project funded by the Danish Council for Independent Research 30 (FNU) (grant no. DFF-0602-02526B). The core was taken using a spade to dig a shallow pit from which a sediment section was extracted, wrapped in plastic and transported to the laboratory. Diatom samples were taken from the sediment core in the laboratory at 0.25 and 0.5 cm intervals using a scalpel. Sediment samples were prepared for diatom analysis using standard methods (Palmer and Abbott 1986). Counts were taken under a light microscope at 400x magnification. Only unbroken valves were counted. The taxonomy follows Van der Werff and Huls (1958-74), Hartley (1996) and Patrick and Reimer (1966, 1975). The core top elevation was surveyed in the field using a Sokkisha level to mean tide level, established via a pressure transducer that logged tidal variations at 15-min intervals at Timmiarmiut, 100 km to the South, during fieldwork. These tidal levels were related to tidal predictions at Tasiilaq, 300 km to the NE. This data was collected to reconstruct recent (last ~300 years) of relative sea-level changes from this area, in conjunction with the modern diatom training set also collected from this location.
    Keywords: Achnanthes exigua; Achnanthes sp.; Achnanthidium minutissimum; Amphora exigua; Amphora ovalis; Caloneis borealis; Cavinula variostriata; Ceratoneis arcus; Cocconeis scutellum; Core; CORE; Cosmioneis pusilla; Counting, diatoms; Delphineis surirella; DEPTH, sediment/rock; Diadesmis contenta; diatoms; Diploneis didyma; Diploneis interrupta; DMD-14-3; Dronning Marie Dal, southeast Greenland; Encyonema minutum; Eunotia exigua; Eunotia praerupta; Eunotia serra; Fallacia forcipata; Fragilaria vaucheriae; Fragilariforma virescens; Frustulia linkei; Frustulia rhomboides; Luticola mutica; Meridion circulare; Navicula brockmanni; Navicula cincta; Navicula digitoradiata; Navicula eta; Navicula flanatica; Navicula peregrina; Navicula rhynchocephala; Navicula salinarum; Nedium sp.; Nitzschia frustulum; Nitzschia fruticosa; Nitzschia linearis; Nitzschia obtusa; Nitzschia palea; Nitzschia palustris; Number; Opephora marina; Paralia sulcata; Pinnularia borealis; Pinnularia intermedia; Pinnularia microstauron; Pinnularia subcapitata; Pinnularia viridis; Placoneis elginensis; Planothidium delicatulum; Rhabdonema minutum; Saltmarsh; Sample code/label; Sellaphora pupula; southeast Greenland; Stauroneis linearis; Stauroneis producta; Staurosirella pinnata; Surirella brightwellii; Synedra rumpens; Synedra ulna; Tabellaria flocculosa; Tabularia fasciculata; Tetracyclus emarginatus; Total counts; Trachyneis aspera; Tryblionella acuminata; Tryblionella littoralis
    Type: Dataset
    Format: text/tab-separated-values, 1386 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Modern saltmarsh diatom counts from southeast Greenland (2024)
    PANGAEA
    Details
    Publication Date: 2024-02-28
    Description: This dataset is raw diatom counts from a transect across a modern saltmarsh and mudflat close to Dronning Marie Dal in southeast Greenland, and fossil diatom counts from a short core taken from within the modern high marsh at the same location. The elevation of each modern sample is in metres above Mean Tide Level.
    Keywords: diatoms; Saltmarsh; southeast Greenland
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 3
    facet.materialart.
    Unknown
    Raw modern diatom counts from a transect across Dronning Marie Dal saltmarsh, SE Greenland (2024)
    PANGAEA
    Details
    Publication Date: 2024-02-28
    Description: The dataset is raw diatom counts (minimum 250 count size) from a transect across a modern saltmarsh at the mouth of Dronning Marie Dal in south east Greenland (63.470N, -41.925W). The data was collected on 19/07/2014 during a research cruise to the area as part of the X_Centuries research project funded by the Danish Council for Independent Research 30 (FNU) (grant no. DFF-0602-02526B). Samples were taken from the top 1 cm of saltmarsh sediment using a knife, bagged and shipped to the laboratory where they were prepared for diatom analysis using standard methods (Palmer and Abbott 1986). Counts were taken under a light microscope at 400x magnification. Only unbroken valves were counted. The taxonomy follows Van der Werff and Huls (1958-74), Hartley (1996) and Patrick and Reimer (1966, 1975). Samples were surveyed in the field using a Sokkisha level to mean tide level, established via a pressure transducer that logged tidal variations at 15-min intervals at Timmiarmiut, 100 km to the South, during fieldwork. These tidal levels were related to tidal predictions at Tasiilaq, 300 km to the NE. This data was collected to develop a modern training set of diatom distributions across saltmarshes in Greenland to aid in reconstructing past sea-level changes from saltmarsh sediments in this area.
    Keywords: Achnanthes exigua; Achnanthes sp.; Achnanthidium minutissimum; Amphora exigua; Amphora ovalis; Caloneis borealis; Cavinula variostriata; Ceratoneis arcus; Cocconeis scutellum; Cosmioneis pusilla; Counting, diatoms; Cymbella sp.; Delphineis surirella; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Diadesmis contenta; diatoms; Dimeregramma minor; Diploneis didyma; Diploneis interrupta; Diploneis ovalis; DMD-14-T1; DMD-14-T2; Dronning Marie Dal, southeast Greenland; ELEVATION; Encyonema minutum; Eunotia exigua; Eunotia praerupta; Eunotia serra; Event label; Fallacia forcipata; Fragilaria vaucheriae; Fragilariforma virescens; Frustulia linkei; Frustulia rhomboides; Luticola mutica; Navicula brockmanni; Navicula cincta; Navicula digitoradiata; Navicula eta; Navicula flanatica; Navicula peregrina; Navicula rhynchocephala; Navicula salinarum; Nedium sp.; Nitzschia frustulum; Nitzschia fruticosa; Nitzschia linearis; Nitzschia obtusa; Nitzschia palea; Nitzschia palustris; Number; Opephora marina; Paralia sulcata; Pinnularia borealis; Pinnularia intermedia; Pinnularia mesolepta; Pinnularia microstauron; Pinnularia subcapitata; Pinnularia viridis; Placoneis elginensis; Planothidium delicatulum; Rhabdonema minutum; Saltmarsh; Sample code/label; southeast Greenland; Stauroneis linearis; Stauroneis producta; Staurosirella pinnata; Surface sediment sample; Surirella brightwellii; Synedra rumpens; Synedra ulna; Tabellaria flocculosa; Tabularia fasciculata; Tabularia sp.; Tetracyclus emarginatus; Total counts; Trachyneis aspera; Tryblionella acuminata; Tryblionella littoralis
    Type: Dataset
    Format: text/tab-separated-values, 2272 data points
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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