Artículo
Modelling the tidal dispersion of 137 Cs and 239,240 Pu in the English Channel
Autor/es | Periáñez Rodríguez, Raúl |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2000 |
Fecha de depósito | 2022-04-01 |
Publicado en |
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Resumen | A numerical model to simulate the tidal dispersion of non-conservative radionuclides in the
English Channel has been developed. The model solves the shallow water hydrodynamic
equations and, simultaneously, the suspended ... A numerical model to simulate the tidal dispersion of non-conservative radionuclides in the English Channel has been developed. The model solves the shallow water hydrodynamic equations and, simultaneously, the suspended matter equation which includes deposition and resuspension terms. The model considers that radionuclides can be present in three phases: water, suspended matter and bottom sediments. Thus the equations whose solutions give the temporal evolution of activities in the three phases must be solved too. The transfer of radionuclides between the liquid and solid phases has been described in terms of kinetic transfer coe$cients. The model has been applied to simulate the dispersion of 137Cs and 239,240Pu released from a nuclear fuel reprocessing plant at La Hague (France). The model gives a realistic estimation of the activity levels detected in the Channel. The transit time of radionuclides from La Hague to the Dover Strait has also been calculated, using the cross correlation function method, under di!erent weather conditions. |
Agencias financiadoras | European Union (UE) Comisión Interministerial de Ciencia y Tecnología (CICYT). España |
Identificador del proyecto | FI4PCT960046
AMB97-1720-CE |
Cita | Periáñez Rodríguez, R. (2000). Modelling the tidal dispersion of 137 Cs and 239,240 Pu in the English Channel. Journal of Environmental Radioactivity, 49 (3), 259-277. |
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