Abstract
In Boussinesq approximation free internal waves are considered at the account of rotation of the Earth and a plane-parallel current, perpendicular to a direction to wave propagation. For homogeneous stratification and at constant shift of speed of a current the boundary-value problem for amplitude of vertical velocity analytically solved and the dispersive parity is defined. Vertical wave fluxes of momentum and two components of Stokes drift speed are defined. Stokes drift speed, cross-section to a direction a wave propagation, is distinct from zero in the presence of the specified shift current. Similar calculations are executed for two-layer model. The vertical wave flux of momentum can exceed a corresponding turbulent flux.
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