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Inertial waves in spherical shells at low Ekman numbers

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    0348461 - GFÚ 2011 RIV CZ eng J - Journal Article
    Šimkanin, Ján - Hejda, Pavel - Jankovičová, Dana
    Inertial waves in spherical shells at low Ekman numbers.
    Studia geophysica et geodaetica. Roč. 54, č. 2 (2010), s. 291-298. ISSN 0039-3169. E-ISSN 1573-1626
    R&D Projects: GA AV ČR IAA300120704
    Institutional research plan: CEZ:AV0Z30120515; CEZ:AV0Z30420517
    Keywords : inertial waves * shear layers * Ekman layers * zonal flows
    Subject RIV: DE - Earth Magnetism, Geodesy, Geography
    Impact factor: 1.123, year: 2010

    Inertial waves as oscillatory motions in rotating fluids generate internal shear layers at critical latitudes. We investigated the nonlinear interaction of inertial waves for global flows (3D flows) in dependence on the Ekman number. When the value of the Ekman number decreases, the influence of the Ekman layers to the flow pattern increases. Critical latitudes, the attractor flow pattern and certainly internal shear layers are observable mainly at greater values of the Ekman number.
    Permanent Link: http://hdl.handle.net/11104/0188992

     
     
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