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Dynamique de comblement d'un bassin sédimentaire soumis à un régime mégatidal : Exemple de la Baie du Mont-Saint-Michel ArchiMer
Ehrhold, Axel.
This work has been performed in a DRET/CNRS convention and related to the problems of sedimentary dynamics in a bay dominated by tidal currents. It combines the descriptive study of the morphosedimentary units with the modeling of bedload processes. At the South channel Isles, the Mont-Saint-Michel bay is well known for his exceptional tidal range. It's open to the offshore with two broad master channels on both sides from the Chausey's archipelago. On the coarse sedimentary cover of pebbles and gravels, sediments dynamic series of some plurikilometres sandy ribbons. These sands are temporarily stocked in lonely bedforms and in coastal maritime banks, sandwaves field of Granville and tide delta. The coastal banks are connected in the littoral prism. They...
Tipo: Text Palavras-chave: Bedload transport; Hydrodynamic numerical model; Sediment color; Crepidule; Coastal banks; Sandwaves; Sand ribbons; Swells; Tidal currents; Sedimentary prism; Norman breton Gulf; Transport solide; Code numérique; Couleur des sédiments; Crépidule; Bancs côtiers; Dunes tidales; Rubans sableux; Houle; Courants de marée; Prisme sédimentaire; Golfe normand breton.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/1999/these-3232.pdf
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Evaluations locales des populations de bivalves dans le golfe de normand breton. Résultats de la campagne BIVALVES2002 ArchiMer
Pitel, Mathilde; Savina, Marie; Fifas, Spyros; Berthou, Patrick.
The exploited stocks of wild bivalves (common cockles, dog cockles, clams, and spisules) in the Norman-Breton gulf vary according to the fishing activity and the environmental conditions. Different studies, carried out by the Ifremer in this region (between 1982 and 1998), enabled the evaluation of the stocks available for fishing as well as the collection of data on these species (demographic structure, growth...). For more information on the 1993-1994 studies and a presentation of the site and the fishery please refer to the reports by Berthou, 1987 and Noël et al, 1995. The bivalve expedition conducted in May 2002, enabled us to update the data on the populations of dog cockles and banded carpet shells, then of spisules and clams, using the same...
Tipo: Text Palavras-chave: Bittersweet palourdi; Spisula; Clam; Brittany norman gulf; Bibalves; Brittany; Fishing; Crepidule; Amande de mer; Spisule; Praire; Palourde; Golfe normand breton; Bivalves; Bretagne; Pêche.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2004/rapport-4609.pdf
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