The Relation of Langmuir Circulation Processes to the Standard Oil Spill Spreading,Dispersion, and Transport Algorithms |
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| Institution: | 1. INRA, UMR LISAH, 2 Place Pierre Viala, 34060 Montpellier, France;2. AgroParisTech, UMR LISAH, 2 Place Pierre Viala, 34060 Montpellier, France;1. Centro de Investigación en Alimentación y Desarrollo, Unidad Mazatlán (CIAD), PO Box 711, 82010 Mazatlán, Sinaloa, Mexico;2. IFAPA Centro El Toruño, Junta de Andalucía, Camino Tiro de Pichón s/n, 11500 El Puerto de Santa María, Cádiz, Spain;3. IFREMER, Laboratoire d''Ecotoxicologie, Place Gaby Coll, BP7, 17137 L''Houmeau, France;4. IRTA-Sant Carles de la Ràpita, Ctra. De Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain |
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| Abstract: | Most standard oil spill modeling programs neglect the effects of Langmuir circulation (LC). The authors have identified three areas where LC effects may be important in spill behavior. These three areas are spreading, dispersion, and transport. LC will cause the slick to break into windrows when the wind-row formation velocity is comparable to Fay and other spreading forces. Oil dispersion is likely to be enhanced, with droplets carried to greater depth and distributed non-uniformly. Transport velocities for different parts of the slick will vary because of LC, a phenomenon that also occurs because of other factors. |
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