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Vlaams Instituut voor de Zee

Platform voor marien onderzoek

Open Marien Archief

Het Open Marien Archief van België (OMA) biedt vrije toegang tot de digitale publicaties over de Vlaamse kust en het Belgisch deel van de Noordzee, en alle andere mariene, estuariene en kustgebonden publicaties van Belgische auteurs en wetenschappers en van buitenlandse wetenschappers geaffilieerd aan een Belgische instelling.

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Water fluxes at an ocean margin in the presence of a submarine canyon
Skliris, N.; Hecq, J.H.; Djendi, S. (2002). Water fluxes at an ocean margin in the presence of a submarine canyon. J. Mar. Syst. 32(1-3): 239-251. https://dx.doi.org/10.1016/S0924-7963(02)00036-2
In: Journal of Marine Systems. Elsevier: Tokyo; Oxford; New York; Amsterdam. ISSN 0924-7963; e-ISSN 1879-1573, meer
Ook verschenen in:
Frankignoulle, M. (Ed.) (2002). Exchange Processes at the Ocean Margins. Selected papers from the 32nd International Liège Colloquium on Ocean Hydrodynamics, held in Liège, Belgium on May 8-12, 2000. Journal of Marine Systems, 32(1-3). Elsevier: Amsterdam. ex1-ex2, 252 pp., meer
Peer reviewed article  

Beschikbaar in  Auteurs 

Trefwoorden
    Currents
    Models > Mathematical models
    Motion > Water motion > Water currents
    Topographic features > Submarine features > Submarine canyons
    MED, France, Corsica [Marine Regions]
    Marien/Kust
Author keywords
    shelf; slope exchange; numerical modeling; submarine canyons; currents; northwestern Corsican coast; Shelf/slope exchange; Numerical modeling; Northwestern corsican coast

Auteurs  Top 
  • Skliris, N.
  • Hecq, J.H., meer
  • Djendi, S.

Abstract
    A 3-D, unsteady, nonlinear, high-resolution model is used to estimate shelf/slope exchanges through Calvi Canyon (NW Corsica, Mediterranean Sea) in various regimes of stratification and wind patterns. To evaluate the alongshore and cross-shore fluxes within the canyon area as well as the water exchanges between the canyon and Calvi Bay, volume transports are computed at the sides of two closed, interconnected boxes encompassing the canyon on the shelf and slope domains. Model results show that water transports between Calvi Bay and the open sea are determined by flow modifications in the canyon area. The mean horizontal flow deviates southwestward upstream of the canyon, generating an onshore transport in the western part of Calvi Bay. Within the canyon, the circulation is cyclonic and is responsible for an offshore transport downstream of the canyon and in the eastern part of the bay. The effect of stratification is shown to limit the vertical extent of the influence of canyon topography so that the alongshore flow above the canyon is quasi-undisturbed in strong stratified conditions, resulting in weak cross-shore exchange. Wind events are shown to be responsible for a strong increase of cross-shore transports between the bay and the canyon area.

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