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Internal Tide Reflection and Turbulent Mixing on the Continental Slope Public Deposited

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  • Observations of turbulence, internal waves, and subinertial flow were made over a steep, corrugated continental slope off Virginia during May–June 1998. At semidiurnal frequencies, a convergence of low-mode, onshore energy flux is approximately balanced by a divergence of high-wavenumber offshore energy flux. This conversion occurs in a region where the continental slope is nearly critical with respect to the semidiurnal tide. It is suggested that elevated near-bottom mixing (K[subscript]ρ ~10⁻³ m² s⁻¹) observed offshore of the supercritical continental slope arises from the reflection of a remotely generated, low-mode, M₂ internal tide. Based on the observed turbulent kinetic energy dissipation rate ϵ, the high-wavenumber internal tide decays on time scales O(1 day). No evidence for internal lee wave generation by flow over the slope's corrugations or internal tide generation at the shelf break was found at this site.
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  • Nash, Jonathan D., Eric Kunze, John M. Toole, Ray W. Schmitt, 2004: Internal Tide Reflection and Turbulent Mixing on the Continental Slope. Journal of Physical Oceanography, 34, 1117–1134.
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  • This research was funded by the Office of Naval Research under Grants N00014-94-10038 and N00014- 97-10087.
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  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2012-02-06T22:47:43Z No. of bitstreams: 1 NashJonathanD.CEOAS.InternalTideReflection.pdf: 2059069 bytes, checksum: f138f4d9a4191904dffc1647b80db1f2 (MD5)
  • Journal of Physical Oceanography
  • Vol. 34 no. 5.
  • description.provenance : Made available in DSpace on 2012-02-06T22:47:43Z (GMT). No. of bitstreams: 1 NashJonathanD.CEOAS.InternalTideReflection.pdf: 2059069 bytes, checksum: f138f4d9a4191904dffc1647b80db1f2 (MD5) Previous issue date: 2004-05

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