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Étude expérimentale des ondes de gravité internes en présence de topographie. Émission, propagation, réflexion.

Abstract : The dynamics of atmosphere and ocean is strongly influenced by their stratification, that allows the propagation of internal gravity waves. Those waves interact with topography, leading both to their generation and dissipation, and play a key role in the global energy budget of the Earth.
We designed a syntehic schlieren setup to visualize those waves, and led large scale experiments on internal waves critical reflection. We also designed a novel internal waves generator.
With those experiments, we verified analytical predictions on internal waves emission by oscillating bodies and applied it to tidal conversion at a continental shelf. We also analyzed nonlinear effects during critical reflection. Last, we led the first experiments on gravito-inertial waves propagation.
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https://tel.archives-ouvertes.fr/tel-00123539
Contributor : Louis Gostiaux <>
Submitted on : Wednesday, January 10, 2007 - 11:14:02 AM
Last modification on : Friday, December 11, 2020 - 3:04:04 PM
Long-term archiving on: : Tuesday, April 6, 2010 - 8:28:39 PM

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  • HAL Id : tel-00123539, version 1

Citation

Louis Gostiaux. Étude expérimentale des ondes de gravité internes en présence de topographie. Émission, propagation, réflexion.. Physique [physics]. Ecole normale supérieure de lyon - ENS LYON, 2006. Français. ⟨tel-00123539⟩

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