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Internal tide generation from surface tide/geostrophic Eddy interactions

Lelong, MP (NorthWest Research Associates, USA)
Friday 12 December 2008, 10:30-11:00

Seminar Room 1, Newton Institute


Most studies of internal tide generation have focused on the role of the barotropic tide interacting with topography. Our study focuses on a mechanism which has not been considered up to now, namely the interaction of a barotropic tide with a baroclinic eddy field. The interaction of a barotropic tidal current and a mesoscale eddy field is investigated to determine the ambient conditions under which energy is transferred most efficiently from barotropic to baroclinic tides. We examine the transfer of energy as a function of latitude and eddy field structure. The existence of critical latitudes is also discussed in this context.


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