MODELLING OF SEA-BED EVOLUTION UNDER WAVES ACTION | Zendy

Y. Coeffe | Zendy; Ph. Pechon | Zendy

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MODELLING OF SEA-BED EVOLUTION UNDER WAVES ACTION

Author(s) -

Y. Coeffe,

Ph. Pechon

Publication year - 1982

Publication title -

coastal engineering proceedings

Language(s) - English

Resource type - Journals

eISSN - 2156-1028

pISSN - 0589-087X

DOI - 10.9753/icce.v18.71

Subject(s) - bay , longshore drift , accretion (finance) , geology , oceanography , seabed , erosion , current (fluid) , geomorphology , schematic , sediment transport , sediment , engineering , physics , electronic engineering , astrophysics

This paper presents a numerical model computing sea-bed evolution due to longshore current s, which has been developed at the Laboratoire National d'Hydraulique. This model has been applied to a schematic semi-circular bay. The computation of sand sea-bed modifications reveals two main tendencies ; a marked accretion in the "up-stream" zone of the bay and a marked erosion in the "down-stream" zone of the bay, as far as longshore currents are concerned.

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