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  • 2015-2019  (4)
  • 2018  (4)
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  • 2015-2019  (4)
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  • 1
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    Energy transfers in internal gravity wave spectra (2018)
    In:  EPIC3Scales and scaling cascades in geophysical systems, Hamburg, 2018-04-04
    Details
    Publication Date: 2018-04-30
    Description: The kinetic equation for non-linear wave-wave interactions for empirical wave energy spectra is discussed in Lagrangian and Eulerian form evaluated numerically. Wave spectrum parameters, such as bandwidth, spectral slope, and Coriolis frequency $f$, are varied as well as the spectral resolution. In agreement with previous studies we find in all cases indication of a forward energy cascade towards smaller vertical and horizontal wavelengths. Forcing is predominantly required in the frequency range between 2$f$ and 3$f$. Forcing by baroclinic tides or near inertial waves thus need to propagation into the appropriate latitudinal range. While the mechanism of the energy transfer differs partly from findings of previous studies, parameterisations for the dissipation of gravity waves used for observational estimates of turbulent mixing coefficients and for internal wave models agree surprisingly well with the numerical evaluation of the energy transfers. We suggest a simple dependency of dissipation rates on spectral slope which can in principle be used to improve observational estimates.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 2
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    The IDEMIX model: Parameterization of internal gravity waves for circulation models of ocean and atmosphere (2018)
    Springer Verlag
    In:  EPIC3Energy Transfers in Atmosphere and Ocean, Energy Transfers in Atmosphere and Ocean, Berlin, Springer Verlag, 41 p., pp. 87-127, ISBN: 978-3-030-05703-9
    Details
    Publication Date: 2019-04-01
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
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  • 3
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    Simple and not simple models of the ACC (2018)
    In:  EPIC3Workshop on multiscale interaction in the Souther Ocean, Bornoe research station Sweden, 2018-07-23-2018-07-28
    Details
    Publication Date: 2018-08-20
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 4
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    Energy transfers in internal gravity wave spectra (2018)
    In:  EPIC3Workshop GW-GW interactions in WKB, Institut fuer Atmosphaere und Umwelt Goethe-Universitaet Frankfurt, 2018-04-19
    Details
    Publication Date: 2018-04-30
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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