Inderscience Publishers

Intercomparison of different regulatory and Eulerian dispersion models: an application for the electric power plant in Rhodes Island

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This study tries to inform the user of the abilities and limitations of dispersion models by comparing their differences in air pollution estimations. In particular, an intercomparison between the results of Eulerian and regulatory dispersion models for the new electric power plant in Rhodes Island is carried out, in order to emphasise their differences. The Eulerian models used in this study are Airpol and UAM, the latter also incorporating photochemistry. The input meteorological parameters and diffusion coefficients for both of these models are provided from the non-hydrostatic prognostic mesoscale meteorological model TVM. The regulatory models that have been used are Plumes and CTDMPLUS which are both Gaussian models and use hourly routine meteorological data as input. The simulations have been carried out for one year, and the worst results have been compared. A satisfactory agreement was found among the results for long-term predictions, while a spatial variation was observed for short-term predictions.

Keywords: dispersion, Eulerian model, model, regulatory

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