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  • 1
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    FESOM-C v.2: coastal dynamics on hybrid unstructured meshes (2019)
    Copernicus
    Details
    Publication Date: 2019-03-21
    Description: We describe FESOM-C, the coastal branch of the Finite-volumE Sea ice – Ocean Model (FESOM2), which shares with FESOM2 many numerical aspects, in particular its finite-volume cell-vertex discretization. Its dynamical core differs in the implementation of time stepping, the use of a terrain-following vertical coordinate, and the formulation for hybrid meshes composed of triangles and quads. The first two distinctions were critical for coding FESOM-C as an independent branch. The hybrid mesh capability improves numerical efficiency, since quadrilateral cells have fewer edges than triangular cells. They do not suffer from spurious inertial modes of the triangular cell-vertex discretization and need less dissipation. The hybrid mesh capability allows one to use quasi-quadrilateral unstructured meshes, with triangular cells included only to join quadrilateral patches of different resolution or instead of strongly deformed quadrilateral cells. The description of the model numerical part is complemented by test cases illustrating the model performance.
    Print ISSN: 1991-959X
    Electronic ISSN: 1991-9603
    Topics: Geosciences
    Published by Copernicus on behalf of European Geosciences Union.
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    PAPER CURRENT
  • 2
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    Hydrographical time series data of the littoral zone of Kongsfjorden, Svalbard 2018 (2019)
    PANGAEA
    In:  Alfred Wegener Institute - Biological Institute Helgoland
    Details
    Publication Date: 2023-09-28
    Description: The dataset contains temperature, salinity, oxygen saturation, chlorophyll A and turbidity data from the AWIPEV underwater observatory from the year 2018 in a temporal resolution of 1 hour. The cabled observatory is located in 12m water depth and comprises single or multiple sensors for a specific parameter (see https://www.awi.de/en/science/biosciences/shelf-sea-system-ecology/main-research-focus/cosyna/underwater-node-spitsbergen.html) For a detailed description of the data see associated metadatafile "metadata_svulobs_2018_hydrography.pdf".
    Keywords: ACROSS; Advanced Remote Sensing – Ground-Truth Demo and Test Facilities; AWI_Coast; AWIPEV; AWIPEV_based; AWIPEV_UW-Observatory; Chlorophyll a; Chlorophyll a, confidence value; Coastal Ecology @ AWI; Coastal Observing System for Northern and Arctic Seas; COSYNA; DATE/TIME; Kongsfjorden, Spitsbergen, Arctic; Number of observations; OBSE; Observation; Oxygen saturation; Oxygen saturation, confidence value; Salinity; Salinity, confidence value; See further details: Metadata for the AWIPEV underwater observatory; Temperature, water; Temperature, water, confidence value; Turbidity, confidence value; Turbidity (Formazin Turbidity Unit)
    Type: Dataset
    Format: text/tab-separated-values, 114354 data points
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    DATA PANGAEA
  • 3
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    FESOM-C v.2: coastal dynamics on hybrid unstructured meshes (2019)
    In:  EPIC3Geosci. Model Dev, 12, pp. 1009-1028
    Details
    Publication Date: 2019-03-22
    Description: We describe FESOM-C, the coastal branch of the Finite-volumE Sea ice – Ocean Model (FESOM2), which shares with FESOM2 many numerical aspects, in particular its finite-volume cell-vertex discretization. Its dynamical core differs in the implementation of time stepping, the use of a terrain-following vertical coordinate, and the formulation for hybrid meshes composed of triangles and quads. The first two distinctions were critical for coding FESOM-C as an independent branch. The hybrid mesh capability improves numerical efficiency, since quadrilateral cells have fewer edges than triangular cells. They do not suffer from spurious inertial modes of the triangular cell-vertex discretization and need less dissipation. The hybrid mesh capability allows one to use quasi-quadrilateral unstructured meshes, with triangular cells included only to join quadrilateral patches of different resolution or instead of strongly deformed quadrilateral cells. The description of the model numerical part is complemented by test cases illustrating the model performance.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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    PAPER (OA)
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