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Turbulence spectra from the viscous sublayer and buffer layer at the ocean floor

Published online by Cambridge University Press:  20 April 2006

T. M. C. Hriss  and
D. R. Caldwell
T. M. C. Hriss
Affiliation:
School of Oceanography, Oregon State University, Corvallis, Oregon 97331 Present address: Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J1.
D. R. Caldwell
Affiliation:
School of Oceanography, Oregon State University, Corvallis, Oregon 97331
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Abstract

An experiment conducted on the Oregon continental shelf has provided measurements of velocity fluctuations in the viscous sublayer and buffer layer of the boundary-layer flow. Spectra from the viscous sublayer collapse considerably when scaled as suggested by Bakewell & Lumley (1967), and buffer-layer spectra collapse reasonably well with laboratory spectra when the scaling customarily used in the logarithmic layer is applied. However, in spite of the usefulness of the spectral scaling, the scaled sublayer and buffer-layer spectra from the ocean floor fall below the scaled laboratory spectra in the energy-containing portion of the spectrum, perhaps because the sea floor is not perfectly planar.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 142 , May 1984 , pp. 39 - 55
Copyright
© 1984 Cambridge University Press

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