Inderscience Publishers

Estimation of NO
x
concentrations for an urban street canyon in Ireland

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- By: ,

Courtesy of Inderscience Publishers

Two urban street canyon models, STREET and OSPM, were investigated at Pearse Street, in the centre of Dublin City. Both STREET and OSPM is semi–empirical model that calculates series of hourly concentrations at different receptor locations within a street canyon. From the assessment carried out, for the STREET model, the value of the site specific constant parameter K with a value of 7 gave the best results for STREET modelling. For different consideration of background concentrations best results were obtained using OSPM with HEF with hourly backgrounds followed closely for backgrounds based on stability class for the entire duration of the study period.

Keywords: Air Quality Directives, emissions, empirical models, STREET, OSPM, Ireland, NOx concentration, nitrogen oxides, urban streets, street canyons, dispersion modelling, air pollution

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x
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