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Subinertial canyon resonance

Title: Subinertial canyon resonance.
Name(s): Clarke, Allan J., author
Van Gorder, Stephen, author
Type of Resource: text
Genre: Text
Date Issued: 2016-04-28
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: Near the bottom of a narrow canyon currents that oscillate back and forth along the bottom slope h(x) in a stratified ocean of buoyancy frequency N do so with a natural internal gravitational frequency Nh(x). From May 2012 to May 2013 Acoustic Doppler Current Profiler measurements were made at 715 m depth in the deep narrow part of the DeSoto Canyon south of Pensacola, Florida, in water with 2 pi/Nh(x) approximate to 2.5 days. Above the canyon the flow follows the large-scale isobaths, but beneath the canyon rim the current oscillates along the canyon axis with 2-3 day periodicity, and is much stronger than and uncorrelated with the overlying flow. A simple theoretical model explains the resonant response. Published observations from the Hudson and Gully canyons suggest that the strong subinertial current oscillations observed in these canyons occur close to the relevant local frequency Nh(x), consistent with the proposed simple model physics.
Identifier: FSU_libsubv1_wos_000378338800032 (IID), 10.1002/2016GL068258 (DOI)
Keywords: internal wave reflection
Publication Note: The publisher’s version of record is available at
Persistent Link to This Record:
Owner Institution: FSU
Is Part Of: Geophysical Research Letters.
Issue: iss. 8, vol. 43

Choose the citation style.
Clarke, A. J., & Van Gorder, S. (2016). Subinertial canyon resonance. Geophysical Research Letters. Retrieved from