Dérive à la surface de l'océan sous l'effet des vagues |
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| Authors: | Fabrice Ardhuin François-Régis Martin-Lauzer Bertrand Chapron Philippe Craneguy Fanny Girard-Ardhuin Tanos Elfouhaily |
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| Institution: | 1. Centre militaire d''océanographie, Service hydrographique et océanographique de la Marine, 29609 Brest, France;2. Laboratoire d''océanographie spatiale, Ifremer, Centre de Brest, BP 70, 29280 Plouzané, France;3. Avelmor, 29280 Plouzané, France;4. ENSTB–TAMCIC, 29238 Plouzané, France;5. Institut de recherche sur les phénomènes hors équilibre (IRPHE/CNRS), 13288 Marseille, France |
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| Abstract: | We model the drift velocity near the ocean surface separating the motion induced by the local current, itself influenced by winds and waves, and the motion induced by the waves, which are generated by local and remote winds. Application to the drift of ‘tar balls’, following the sinking of the oil tanker Prestige-Nassau in November 2002, shows that waves contribute at least one third of the drift for pollutants floating 1 m below the surface, with a mean direction about 30° to the right of the wind-sea direction. Although not new, this result was previously obtained with specific models, whereas the formalism used here combines classical wave and circulation forecasting models. To cite this article: F. Ardhuin et al., C. R. Geoscience 336 (2004). |
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| Keywords: | dérive vagues pollution drift waves pollution |
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