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    An operational biogeochemical model of the North-East Atlantic: model description and skill assessment

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    Dabrowski et al 2013 Journal of ...
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    Author
    Dabrowski, T.
    Lyons, K.
    Berry, A.
    Cusack, C.
    Nolan, G.
    Keyword
    Mathematical models
    Ecosystems
    Biogeochemistry
    Oceanography
    North-East Atlantic
    ROMS
    Date
    2013
    Publisher
    Elsevier
    
    Metadata
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    Abstract
    This paper presents a high resolution operational biogeochemical model of the North-East Atlantic that encompasses part of the continental shelf and adjacent deep sea and includes all of Ireland's territorial waters. The setup of the model is described, followed by its skill assessment in reproducing chlorophyll and nitrate spatio-temporal variability. Part of the model skill assessment concerns the evaluation of its usefulness in a decision-making process and is based on the application of a binary discrimination analysis. The model is one-way nested within a 1/12° Mercator Ocean PSY2V4R2 operational model that provides physical forcing at the lateral open boundaries. Nitrate fields are also proscribed at the open boundaries; the World Ocean Atlas 2009 monthly climatologies are used in the upper 500 m and at greater depths a formula that relates nitrate concentration to temperature and latitude is applied in the model. The model represents the intra-annual variability of surface chlorophyll and nitrate concentrations at monthly time scales across key oceanographic regions reasonably well; deficiencies are identified in some regions along with possible causes. The model can reproduce important characteristic bio-physicochemical features e.g. the frontal dynamics and upwelling off southwest Ireland and the properties of different water masses in the Rockall Trough. The model is deemed suitable for operational purposes, with a high probability to make correct positive and negative decisions. Operational since 2011, the output is publicly available via a dedicated THREDDS server.
    URI
    http://hdl.handle.net/10793/892
    Description
    Note to users: Corrected proofs are Articles in Press that contain the authors' corrections. Final citation details, e.g., volume/issue number, publication year and page numbers, still need to be added and the text might change before final publication. Although corrected proofs do not have all bibliographic details available yet, they can already be cited using the year of online publication and the DOI , as follows: author(s), article title, journal (year), DOI. Please consult the journal's reference style for the exact appearance of these elements, abbreviation of journal names and use of punctuation. When the final article is assigned to an issue of the journal, the Article in Press version will be removed and the final version will appear in the associated published issue of the journal. The date the article was first made available online will be carried over. Link to publication:http://dx.doi.org/10.1016/j.jmarsys.2013.08.001
    peer-reviewed
    Citation
    Dabrowski, T., Lyons, K., Berry, A., Cusack, C., & Nolan, G. D. (2013). An operational biogeochemical model of the North-East Atlantic: Model description and skill assessment. Journal of Marine Systems. doi:10.1016/j.jmarsys.2013.08.001
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