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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 18, issue 11
Ann. Geophys., 18, 1488-1501, 2000
https://doi.org/10.1007/s00585-000-1488-6
© European Geosciences Union 2000
Ann. Geophys., 18, 1488-1501, 2000
https://doi.org/10.1007/s00585-000-1488-6
© European Geosciences Union 2000

  30 Nov 2000

30 Nov 2000

Wind-induced baroclinic response of Lake Constance

Y. Wang1, K. Hutter1, and E. Bäuerle2 Y. Wang et al.
  • 1Institute of Mechanics, Darmstadt University of Technology, Hochschulstr. 1, D-64289 Darmstadt, Germany
  • 2Limnological Institute, University of Constance, D-78457 Constance, Germany

Abstract. We present results of various circulation scenarios for the wind-induced three-dimensional currents in Lake Constance, obtained with the aid of a semi-spectral semi-implicit finite difference code developed in Haidvogel et al. and Wang and Hutter. Internal Kelvin and Poincaré-type oscillations are demonstrated in the numerical results, whose periods depend upon the stratification and the geometry of the basin and agree well with measured data. By solving the eigenvalue problem of the linearized shallow water equations in the two-layered stratified Lake Constance, the interpretation of the oscillations as Kelvin and Poincaré-type waves is corroborated.

Key words: Oceanography: general (limnology; numerical modeling) – Oceanography: physical (internal and inertial waves)

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