A set of rapid-response models for pollutant dispersion assessments in southern Spain coastal waters |
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| Authors: | R Periáñez F Caravaca |
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| Institution: | a Dpto. Física Aplicada I, E.U. Ingeniería Técnica Agrícola, Universidad de Sevilla. Ctra. Utrera km 1, 41013-Sevilla, Spain
b Dpto. Ciencias Agroforestales, E.U. Ingenier?´a Técnica Agr?´cola, Universidad de Sevilla. Ctra. Utrera km 1, 41013-Sevilla, Spain |
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| Abstract: | Three rapid-response Lagrangian particle-tracking dispersion models have been developed for southern Spain coastal waters. The three domains cover the Gulf of Cádiz (Atlantic Ocean), the Alborán Sea (Mediterranean), and the Strait of Gibraltar with higher spatial resolution. The models are based on different hydrodynamic submodels, which are run in advance. Tides are calculated using a 2D barotropic model in the three cases. Models used to obtain the residual circulation depend on the physical oceanography of each region. Thus, two-layer models are applied to Gibraltar Strait and Alborán Sea and a 3D baroclinic model is used in the Gulf of Cádiz. Results from these models have been compared with observations to validate them and are then used by the particle-tracking models to calculate dispersion. Chemical, radioactive and oil spills may be simulated, incorporating specific processes for each kind of pollutant. Several application examples are provided. |
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| Keywords: | Numerical modelling Pollutant spill Particle-tracking Hydrodynamics Alborá n Sea Gulf of Cá diz Gibraltar Strait |
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