Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 166 for “"gravity waves"”.
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Gravity Waves in the Ionosphere
Made available in DSpace on 2014-12-10T19:06:37Z (GMT). No. of bitstreams: 1 7114703.pdf: 4056480 bytes, checksum: 8364296edaa297fe461b8f0058f611b1 (MD5) Previous issue date: 1970
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Scattering of internal gravity waves
Internal gravity waves play a fundamental role in the dynamics of stably stratified regions of the atmosphere and ocean. In addition to the radiation of momentum and energy remote from generation sites, internal waves drive vertical transport of heat and mass through the ocean by wave breaking and …
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Focal lengths and gravity waves
… to my own response - in the form of a movie, Gravity, which is about the members of an MIT experimental astrophysics laboratory trying to discover gravity waves. A videotape copy of the movie. is included with the thesis paper.
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Nonlinear effects in surface gravity waves
… of energy within a continuous spectrum of water waves is considered.� Using a transfer equation derived by LonguetHigg: ins (1975) for narrow spectra, and choosing suitable simple forms for these spectra, we make accurate evaluations of the energy transfer rate as a function of the two …
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Nonlinear interactions of acoustic-gravity waves
Thesis. 1976. Ph.D.--Massachusetts Institute of Technology. Dept. of Earth and Planetary Sciences.
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Electromagnetic effects of atmospheric gravity waves,
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Geology and Geophysics, 1967.
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Interference and resonance of internal gravity waves
Internal waves are propagating disturbances within stratified fluids, arising from a balance of gravity, buoyancy, and rotation. As well as being of fundamental scientific interest, they are ubiquitous in a variety of forms in the Earth's oceans, where they are responsible for driving vertical …
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Atmospheric gravity waves: an observational and numerical study,
Thesis (Ph D.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1970.
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The slow manifold and the persisting gravity waves
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1985.
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Nonlinear interactions among standing surface and internal gravity waves
… the momentum transfer from surface to internal gravity waves in a nonlinear, resonant interaction. The interacting waves form triads for which σ1s - σ2s ± σI = 0 and κ1s - κ2s ± κI = 0; σj and κj being the frequency and wavenumber of the jth wave. In particular, the experiment is designed to …
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Experimental study of internal gravity waves over a slope
… tank to investigate the propagation of internal gravity waves up a sloping bottom in a fluid with constant Brunt-Vaisala frequency. Measurements of the wave motion in the fluid interior were primarily taken with electrical conductivity probes; measurements in the boundary layer were made with dye …
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Lidar studies of gravity waves in the mesopause region
Nightly and seasonal variations in gravity wave activity in the mesopause region are examined by analyzing 60 nights of Na lidar observations obtained during a five-year period at Urbana, Illinois. The lidar data were used to calculate atmospheric density perturbations and their spectra. The …
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Nonlinear behavior in the propagation of atmospheric gravity waves
… the nonlinear aspects of the propagation of the waves thought to drive the global circulation of the mesosphere-gravity waves. The results from two numerical experiments are presented comparing the dynamics of gravity wave breaking in two different frequency regimes. Analyses of these data are …
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A model for nonlinear gravity waves in stratified flows
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, September 2002.
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Nonlinear interactions among standing surface and internal gravity waves,
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1972.
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Experimental study of internal gravity waves over a slope
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1970.
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Forced Capillary-Gravity Waves in a 2D Rectangular Basin
This dissertation concerns capillary-gravity surface waves in a two-dimensional rectangular basin that is partially filled with water. To generate the surface waves, a harmonic forcing is applied to the vertical side walls of the basin. The dissertation consists of four parts which work with …
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On the Interaction between Gravity Waves and Atmospheric Thermal Tides
<p>Gravity waves and thermal tides are two of the most important dynamical features of the atmosphere. They are both generated in the lower atmosphere and propagate upward transporting energy and momentum to the upper atmosphere. This dissertation focuses on the interaction of these waves in the …
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Gravity Waves in a Viscous Atmosphere and Multiple Asymptotic Expansions
Made available in DSpace on 2014-12-09T22:17:51Z (GMT). No. of bitstreams: 1 6915387.pdf: 4607385 bytes, checksum: b6009167b61ff65d908d7b210d9d3552 (MD5) Previous issue date: 1969
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