
handle: 10261/309777
[ES] Se ha aplicado un modelo euleriano 2~D a la bahía de La Coruña (NO de España) para el modelado de su circulación y luego se te ha acoplado otro lagrangiano desarrollado para modelar el arrastre de partículas. La circulación en la bahía está condicionada por un gran remolino horario central probablemente resultante de la posición del dique de abrigo del puerto, cuyo extremo es un nodo de corrientes. Las velocidades de marea varían de 0,1 a 0,2 m s-1 y las residuales de 0,005 a 0,015 m s-1. Las mayores corrientes residuales (>0,030 m s-1) y de marea (1 rn s-1) tienen lugar en la desembocadura del río Mero. Los trazadores pasivos muestran como el agua del puerto es de renovación muy lenta y como los pequeños torbellinos en la zona: interna próxima al estuario crean un área de retención de partículas. Cualquier material en suspensión procedente del río puede quedar retenido o bien incorporarse al giro central y seguirlo antes de abandonar la bahía de La Coruña
[EN] A 2D hydrodynamic model has been coupled with a particle tracking model to study the circulation and dispersion of pollutabts in A Corunha Say (NW, Spain). The circulation is strongly dependent on the existence of a big central clockwise eddy generated by the dock Barrie de la Maza. Tidal velocities of 0.1- 0.2 ms-1 and residual velocities of 0.005 - 0.015 ms-1 were observed in the central part of the estuary, although bigger values can be attained near the River Mero mouth. Passive tracers show a slow renovation rate in the harbor area. Besides particles coming from the river area may either join the central eddy and leave the estuary or be temporarily trapped in the small eddies near the river mouth delaying their in.corporation fo the central eddy and further way out of the estuaiy
6 pages, 4 figures.-- VIII Seminario Ibérico de Química Marina, celebrado en Vigo del 10 al 12 de abril de 1996
Peer reviewed
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