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Registros recuperados: 4
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Approche de la circulation residuelle en Baie de Seine ArchiMer
Lehir, P; Salomon, J; Leprovost, C; Chabertd'Hieres, G; Mauvais, J.
By taking into account salinity measurements and consequently mean residence time, current measurements, tidal computation with a 2-D model and wind induced currents provided by a 3-D model, a global diagram of residual flow in Seine Bay is given. Main patterns are exhibited: density currents in the eastern part of the bay, off the Seine Estuary, wind induced circulation, especially along the coast and over the Channels, and tidal residual patterns induced by topography.
Tipo: Text Palavras-chave: Simulation; Modelling; Wind driven circulation; Bottom topography; Density gradients; Water masses; River discharge; Haline circulation; Salinity gradients; Tidal currents; Residual flow.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1263.pdf
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Courantologie calculee en Baie de Seine ArchiMer
Salomon, J.
The movement of water particles in the ocean and littoral zone can be thought of as the result of elementary components superimposed, of which tidal flow is the main factor. Hydrodynamical equations show that these movements are more coupled in the coastal zone than in deep ocean. This characteristic is the result of current intensity, spatial gradients and bottom topography (depth). In the coastal environment tidal flow must be taken into account to study dynamic processes. The tide is not only an alternative movement but is the inducer of a long term current: the residual current. The author uses a bidimensional model to study currents from the depth and vertical structure of residual currents by the effect of density variations.
Tipo: Text Palavras-chave: Density gradients; Mathematical models; Current prediction; Residual flow; Tidal currents; Lagrangian current measurement; Water circulation.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1258.pdf
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Courantometrie en Baie de Seine: Comparaison d''une modelisation numerique et de mesures par radar ArchiMer
Broche, P; Salomon, J; Maistre (de), J; Devenon, J.
2-D models of tide currents are the most used to obtain a description of the circulation in coastal zones, from initial conditions in this area, and limit conditions (depth water). The lack of precision in open limits and the approximation of mathematical calculation, involve the validation of these models with the use of coherent decametric radar. This report deals with a comparative study.
Tipo: Text Palavras-chave: Comparative studies; Mathematical models; Current prediction; Radar; Current data.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1261.pdf
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Modele tridimensionnel de circulation et de dispersion ArchiMer
Thouvenin, Benedicte; Salomon, J.
Bottom topography, coastal morphology and density variations are the three factors influencing marine current flow in Seine Bay. Numerical modeling allows the study of this tridimensional structure.
Tipo: Text Palavras-chave: Hodographs; Salinity gradients; Coastal zone; Bottom topography; Mathematical models; Tidal currents; Dispersion; Water circulation.
Ano: 1985 URL: http://archimer.ifremer.fr/doc/1985/acte-1260.pdf
Registros recuperados: 4
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