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Registros recuperados: 3
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Scénarios d'aménagement des activités de pêche dans la bande cotière bretonne : rapport 2001 ArchiMer
Talidec, Catherine; Boncoeur, Jean; Alban, Frédérique; Curtil, Olivier; Le Floc'H, Pascal; Le Gallic, Bertrand; Pennanguer, Stéphane; Berthou, Patrick; Fifas, Spyros; Latrouite, Daniel.
This document is the 2001 activity report delivered by IFREMER, CEDEM (IUEM, UBO) and ENSA of Rennes for a co-financed study by the Brittany region within the framework of the XII CPER. This report is composed of: - an IFREMER study on the historical evolution of the Breton fleet created using data from the "halieutic observations system" (SIH) and surveys on the economic activity of fishing ships. The study is most interested in the Mor Braz and the Sea of Iroise sites. - an analysis by CEDEM of the legal and economic aspects of fishing along the coastal strip through two case studies: A seasonal break from bottom trawling and the diversification of professional fishing towards tourist and recreational economic activities. - a study by ENSA of Rennes on...
Tipo: Text Palavras-chave: Recreative fishing; Professionnal fishing; Breton fisheries; Survey; Data collection; Fishing fleet; Metier; Fishing activites; Brittany; Golfe du Morbihan; Mer d'Iroise; Mor Braz; Reglementation; Pêche de loisir; Pêche professionnelle; Pêcherie bretonne; Enquêtes; Collectes de données; Flottilles; Metier; Opérations de pêche; Bretagne.
Ano: 2002 URL: http://archimer.ifremer.fr/doc/2002/rapport-2289.pdf
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Etude de la circulation résiduelle lagrangienne en mer d'Iroise ArchiMer
Muller, Heloise.
The aim of this work is to assess the lagrangian residual circulation in the Iroise sea and to evaluate the relative contribution of the different physical processes at play. We calculate water displacements with a diagnostic lagrangian tool that computes the full trajectories of Active particles advected in a given velocity field. The lagrangian residual circulation is inferred from trajectories integrated over an appropriate period. This analysis is applied both to ocean model ouputs and genuine, gridded current measurements. These two sources of data are indeed complementary to study the lagrangian residual circulation according to the impact of the physical processes at play. We used sea surface currents measured by HF radars and surface currents...
Tipo: Text Palavras-chave: Mer d'Iroise; Modélisation régionale océanique; Circulation résiduelle lagrangienne; Radar HF; Iroise sea; Regional oceanic modeling; Lagrangian residual circulation; HF radar.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/00011/12258/9034.pdf
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Etude numérique de la mer d'Iroise : dynamique, variabilité du front d'Ouessant et évaluation des échanges cross-frontaux ArchiMer
Cambon, Gildas.
This thesis was written in the framework of a realistic modelisation for the study of the Iroise Sea. The first two parts deal with its digital implementation and validation based on observation. We then focus on the analysis of the main structures and physical processes operating in the Iroise Sea: first the Ouessant tidal front and the processes associated with the connexion of surface and bottom mixing layers, then the average eulerian residual circulation for which we tried to quantify the relative part of the different processes involved. We then mapped the different dynamic regimes involved: some cyclostrophic regimes can be observed around the islands and in shallow water areas, and a geostrophic regime clearly appears, at front level, especially in...
Tipo: Text Palavras-chave: Realistic numerical modelling; Cross frontal transports; Tidal front; Tides; Mean general circulation; Iroise Sea; Modélisation numérique réaliste; Transports cross frontaux; Front de marée; Marée; Circulation générale moyenne; Front d'Ouessant; Mer d'Iroise.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/these-6166.pdf
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