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A laboratory study of low-mode internal tide scattering by finite-amplitude topography
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10.1063/1.3267096
/content/aip/journal/pof2/21/12/10.1063/1.3267096
http://aip.metastore.ingenta.com/content/aip/journal/pof2/21/12/10.1063/1.3267096
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

A schematic of the experimental configuration as viewed from (a) the side and (b) above. The plates of the internal-wave generator are configured to match the horizontal velocity component of a mode-1 internal tide. The radiated internal tide is incident on the Gaussian topography and the transmitted wave field is ultimately directed away from the interrogation region by a reflection barrier, after which the wave field is also damped.

Image of FIG. 2.
FIG. 2.

(a) A snapshot of the instantaneous velocity field in the absence of topography; the velocity magnitude in cm/s is given by the background color scale and arrows indicate velocity direction. (b) Modal energy content of the horizontal velocity field normalized by the incident total energy flux ; the inset presents a zoom-in for mode 2 and higher. (c) Normalized, spatially averaged frequency spectrum of the horizontal velocity revealing a highly dominant peak at the fundamental frequency.

Image of FIG. 3.
FIG. 3.

(a) Snapshot of the instantaneous velocity field (filtered at the fundamental frequency ) transmitted by the Gaussian ridge; the velocity magnitude in cm/s is given by the background color scale and arrows indicate velocity direction. (b) Modal energy content of the horizontal velocity field normalized by the incident total energy flux . These data were obtained in the region of . (c) Phase of the modes with the phase of mode 1 arbitrarily being chosen to be zero.

Image of FIG. 4.
FIG. 4.

The transmitted wave field filtered at the first harmonic frequency ; the velocity magnitude in cm/s is given by the background color scale and arrows indicate velocity direction.

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/content/aip/journal/pof2/21/12/10.1063/1.3267096
2009-12-18
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A laboratory study of low-mode internal tide scattering by finite-amplitude topography
http://aip.metastore.ingenta.com/content/aip/journal/pof2/21/12/10.1063/1.3267096
10.1063/1.3267096
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