Waves and currents near the continental shelf edge

Huthnance, J.M. ORCID: 1981 Waves and currents near the continental shelf edge. Progress in Oceanography, 10 (4). 193-226.

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The abrupt depth increase which characterises the edge of many continental shelves determines a reduced horizontal length scale and a localised transition from shelf seas to the deep ocean. Particular forms of motion which may arise from the steep slopes include topographically guided currents along the slope, shelf-break upwelling, topographic Rossby waves and internal lee waves in the tidal current. The ocean/shelf mismatch may lead to a clear separation of water types, substantial reflection (from the shelf-edge neighbourhood) of all oceanic and shelf motions with periods greater than a few hours, and interaction between barotropic and baroclinic motions. Unstable longshelf currents, interleaving water masses, strong internal tides and internal waves, and narrow canyons enhance mixing across the shelf edge.

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: POL Programmes
ISSN: 00796611
Date made live: 02 Jul 2013 13:32 +0 (UTC)

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