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Preliminary results of a reduced-gravity model of the wind-induced oscillations of the thermocline in Lake Tanganyika
Naithani, J.; Deleersnijder, E.; Plisnier, P-D. (2004). Preliminary results of a reduced-gravity model of the wind-induced oscillations of the thermocline in Lake Tanganyika, in: Demarée, G.R. et al. (Ed.) (1998). Proceedings of the Second International Conference on Tropical Climatology, Meteorology and Hydrology, Brussels, 13-14 December 2001. pp. 27-40
In: Demarée, G.R.; De Dapper, M.; Alexandre, J. (Ed.) (1998). Proceedings of the Second International Conference on Tropical Climatology, Meteorology and Hydrology, Brussels, 13-14 December 2001. Royal Meteorological Institute of Belgium: Brussel. 798 pp., meer
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Trefwoorden
    Africa, Tanganyika L.
    Layers > Discontinuity layers > Thermocline
    Water waves > Surface water waves > Seiches
    Tanganyika, Lake [Marine Regions]
    Zoet water
Auteurs  Top 
  • Naithani, J.
  • Deleersnijder, E.
  • Plisnier, P-D.
Abstract
    A two-dimensional, reduced gravity model is established to study the wind-induced oscillations of the thermocline of Lake Tanganyika. An analytical solution is obtained for a simplified, one-dimensional, linearized set of equations, which suggests that the first mode of oscillation - exhibiting one node only - should be dominant. The sensitivity to the wind stress, the stratification and the unpertubed thermocline depth of the amplitude and period of t he linear solution is analysed. Numerical solutions of the complete, non-linear, two-dimensional reduced-gravity model are compared cursorily with field data and are seen to exhibit properties that are rather similar to those of the idealized, one-dimensional model.
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