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  • Articles  (14)
  • Springer  (8)
  • Alfred Wegener Institute for Polar and Marine Research  (4)
  • Zenodo  (2)
  • 11
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    The expedition ANTARKTIS XXI/2 (BENDEX) of RV "Polarstern" in 2003/2004 (2005)
    Alfred Wegener Institute for Polar and Marine Research
    In:  EPIC3Berichte zur Polar- und Meeresforschung (Reports on Polar and Marine Research), Bremerhaven, Alfred Wegener Institute for Polar and Marine Research, 503, 149 p., ISSN: 1618-3193
    Details
    Publication Date: 2018-09-07
    Repository Name: EPIC Alfred Wegener Institut
    Type: "Berichte zur Polar- und Meeresforschung" , notRev
    Format: application/pdf
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  • 12
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    The Collector's App for CRITTERBASE, a science-driven data warehouse for marine biota. (2021)
    Zenodo
    In:  EPIC3Zenodo
    Details
    Publication Date: 2022-11-07
    Description: The Collector's App is a platform-independent (macOS, Linux and Windows) software written in Python. The Collector's App allows biological data to be quality-checked and stored in CRITTERBASE, which is a science-driven PostgreSQL data warehouse for marine biota. For further data processing and statistical analyses or modelling purposes, the respective data can be queried directly via SQL from your CRITTERBASE data warehouse.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Software , notRev
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  • 13
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    Calculation of repeated accessibility (navigability) based on daily satellite images of sea ice concentration. (2021)
    Zenodo
    In:  EPIC3Zenodo
    Details
    Publication Date: 2022-11-07
    Description: The following downloadable R scripts for calculating the repeated accessibility are available here: 1. "Download of daily sea ice raster" - The R script automatically downloads all GeoTiffs from IUP, University of Bremen, and saves them in the directory of your choice. 2. "Existing and missing data" - The R script uses the downloaded GeoTiffs to create a table showing for which days satellite images are available and for which days they are not. 3. "Information of GeoTiffs" - The R script extracts important metadata of the downloaded GeoTiffs such as geographical projection, spatial extent and maximum value. A metadata table is created. 4. "Repeated accessibility" - The R script performs the repeated accessibility calculation based on a selectable threshold of sea ice concentration.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Software , notRev
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  • 14
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    The Significance of the long lived (〉400 Years) bivalve Arctica islandica as a high-resolution bioarchive (2013)
    Springer
    In:  EPIC3Earth system science: bridging the gap between disciplines, Earth system science: bridging the gap between disciplines, Heidelberg, Springer, 7 p., pp. 97-103, ISBN: 978-3-642-32234-1
    Details
    Publication Date: 2023-06-21
    Description: Information about past environmental conditions is preserved in the elemental signature of biogenic marine carbonates. Thus, trace element to calcium ratios (Me/Ca) of biogenic calcium carbonates, such as bivalve shells, are often used to reconstruct past environmental conditions at the time of carbonate formation (Foster et al., 2008). In this study, we examine the suitability of the long-lived (〉 400 years) bivalve Arctica islandica as a high-resolution bioarchive by measuring Me/Ca ratios in the shell carbonate. Pb/Ca concentrations in A. islandica shells reflect anthropogenic gasoline lead consumption and further provide a centennial record of lead pollution for the collection site off the coast of Virginia, USA. With A. islandica shells from the North Sea we test the hypothesis that Ba/Ca and Mn/Ca ratios are indicators of the diatom abundance. Our results indicate that statistically both ratios correlate well with the diatom abundance, and yet, on a year-to-year base, there is no consistent reflection of diatom abundance patterns in the Ba/Ca and Mn/Ca annual profiles. These findings indicate that primary production affects Ba/Ca and Mn/Ca shell ratios, though we suggest that both elements are coupled to primary production through different processes and are affected by further, yet unknown processes.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
    Format: application/pdf
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