Lecture27_MAE107-S2007

Lecture27_MAE107-S2007 - 8 June 2007 MAE 107 Spring 2007 1...

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Unformatted text preview: 8 June 2007 MAE 107 Spring 2007 1 MAE 107 Computational Methods in Engineering Spring 2007 J.W. Rottman J.W. Rottman Adjunct Professor Mechanical and Aerospace Engineering Department University of California, San Diego 8 June 2007 MAE 107 Spring 2007 2 Observations of ocean internal waves Internal waves propagating from the Straits of Gibraltar into the Mediterranean sea 8 June 2007 MAE 107 Spring 2007 3 Ocean surface patterns produced by internal waves 8 June 2007 MAE 107 Spring 2007 4 Observation of Nonlinear Internal Waves on the New England Continental Shelf Colosi, et al. (2001) Observations of nonlinear internal waves on the outer New England continental shelf during the summer Shelfbreak Primer study. J. Geophys. Res. 106 , 9587-9601. 8 June 2007 MAE 107 Spring 2007 5 Internal waves and ocean mixing Garrett, C. (2003) Mixing with Latitude, Nature 422 , 477-478. Internal waves generated at the sea surface and sea floor propagate into the ocean interior, are refracted by ocean currents to smaller vertical scales, and overturn causing turbulent mixing 8 June 2007 MAE 107 Spring 2007 6 Internal wave properties: the buoyancy frequency N 2 g N z = - N is the frequency of vertical oscillation of a particle about its equilibrium density level T = 2 / N is on average 10 minutes in the troposhere and from 10 minutes in the thermocline to hours in the deep ocean 8 June 2007...
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This note was uploaded on 07/13/2008 for the course MAE 107 taught by Professor Rottman during the Spring '08 term at UCSD.

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Lecture27_MAE107-S2007 - 8 June 2007 MAE 107 Spring 2007 1...

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