It is shown in the example of the water flow beneath the ice cover in Lake Baikal that a boundary layer forms near high density gradients. The turbulence structure of this boundary layer is similar to that of the boundary layer at a smooth solid wall. For boundary layers of both types there are typically logarithmic regions in the profiles of the average velocity. The profiles of the basic turbulence characteristics measured in the water layer beneath the ice differ from those corresponding to plane confined flow. These differences can be explained by taking into account the influence of dynamic stability on the turbulence characteristics of water masses.
Department of Sea and Inland Water Physics
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