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    Error evolution in the Dynamics of an ocean general circulation model (2000)
    Elsevier
    In:  Dynamics of Atmospheres and Oceans, 32 (3-4). pp. 419-431.
    Details
    Publikationsdatum: 2016-11-14
    Beschreibung: The problem of error propagation is considered for spatially uncorrelated errors of the barotropic stream function in an oceanic general circulation model (OGCM). Such errors typically occur when altimetric data from satellites are assimilated into ocean models. It is shown that the error decays at first due to the dissipation of the smallest scales in the error field. The error then grows exponentially before it saturates at the value corresponding to the difference between independent realizations. A simple analytic formula for the error behavior is derived; it matches the numerical results documented for the present primitive-equation ocean model, and other models in the literature.
    Materialart: Article , PeerReviewed
    Format: text
    DOI: 10.1016/S0377-0265(00)00053-1
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    OceanRep: Artikel in einer Fachzeitschrift - begutachtet
  • 2
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    A box model for the paleoceanography of the Black Sea (1999)
    AGU (American Geophysical Union)
    In:  Geophysical Research Letters (26). pp. 497-500.
    Details
    Publikationsdatum: 2018-02-13
    Beschreibung: The evolution of the Black Sea's salinity after the opening of the Bosporus about 7500 years ago is investigated using a simple two-box model. The model consists of watermass and salt conservation equations, and allows for changes in halocline depth. The paleoceanographic box model is forced by present-day Mediterranean inflow and outflow, and atmospheric forcings. Analytic solutions for the evolution of the box volumes are given. Model salinities reach 90% of their the present-day values in both boxes about 2,500 years after the opening of the Bosporus. The evolution of the salinities is shown to be almost independent of the evolution of the box volumes, and the results are compared with the existing paleoceanographic proxy records.
    Materialart: Article , PeerReviewed
    Format: text
    DOI: 10.1029/1999GL900006
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    OceanRep: Artikel in einer Fachzeitschrift - begutachtet
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