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A two-dimensional particle tracking model for pollution dispersion in A Coruna and Vigo Rias (NW Spain) ArchiMer
Gomez-gesteira, M; Montero, P; Prego, R; Taboada, Jj; Leitao, P; Ruiz-villarreal, M; Neves, R; Perez-villar, V.
A two-dimensional hydrodynamic model coupled to a particle tracking model is applied to study the dispersion processes and residence time in two Galician rias (A Coruna and Vigo, NW Spain) under summer conditions. In A Coruna a long residence time was found in the harbour area due to the existence of a dock, and a short one in the river area. On the contrary, in Vigo, the residence time is smaller in the harbour area, due to the Rande Strait, beyond which the river effect is negligible.
Tipo: Text Palavras-chave: Modèle bidimensionnel; Traceur passif; Circulation résiduelle; Pollution; Rias de Galice; Two-dimensional model; Passive tracers; Residual currents; Pollution; Galician rias.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/00325/43618/43312.pdf
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Rendements de la pêche sardinière (Sardina pilchardus) et conditions de vent, dans le nord du golfe de Gascogne ArchiMer
Littaye-mariette, Anne.
In the northern Bay of Biscay (France), catches of Atlantic sardine (Sardina pilchardus, Walbaum) fluctuated widely at a time-scale of a few days until the end of the fishery in 1970. These variations were not syndhronous between the adjacent Douarnenez, Audierne and Concarneau Bays in southwest Brittany, or between Belle-Ile, Quiberon and Le Croisic or the fishing harbours of Les Sables d'Olonne and Saint-Gilles-Croix-de-Vie further south. Wind speed effects on hydrology and circulation also varied between these areas. Significant relationships between wind speed from one specific component or an index composed with the tide range and the wind speed and catches per unit of effort or CPUE were obtained from regression analyses for all areas except Audierne...
Tipo: Text Palavras-chave: Pêche Sardina pilchardus; Disponi bilité; Vent; Circulation résiduelle; Golfe de Gascogne.; Sardine fishery; Sardina pilclwrdus; Availa bi lity; Wind-spccd; Rcsidual circulation; Bay of Biscay..
Ano: 1990 URL: https://archimer.ifremer.fr/doc/00584/69640/67509.pdf
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