High frequency velocity fluctuations near the bottom over the continental slope.

Fahrbach, E. and Meincke, J. (1978) High frequency velocity fluctuations near the bottom over the continental slope. Meteor Forschungsergebnisse: Reihe A, Allgemeines, Physik und Chemie des Meeres, 20 . pp. 1-12.

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Abstract

Records of currents and temperature on the upper edge of the continental slope off Sierra Leone show a significant energy peak between 0.3 and 2 cph in the bottom near layer. The fluctuations of temperature and velocity are interpreted as internal waves over a critical bottom slope. Since they seem to receive their energy mainly from the barotropic tide, the phenomenon is of interest in the dissipation cascade of tidal waves. The high frequency current amplitudes are occasionally strong enough to affect sediment deposition and related benthic processes. Inspection of current meter records from other regions of the NW-African continental slope reveal the similar effect of intensified bottom current fluctuations.

Document Type: Article
Research affiliation: OceanRep > Institute for Marine Science Kiel
Refereed: Yes
Open Access Journal?: No
ISSN: 0543-5900
Date Deposited: 23 Jun 2022 08:41
Last Modified: 23 Jun 2022 08:41
URI: https://oceanrep.geomar.de/id/eprint/56400

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