Performance evaluation of a general finite line source model for NO_x concentrations obtained from a motorway in Ireland
by Rajiv Ganguly; Brian Broderick
International Journal of Environmental Engineering (IJEE), Vol. 5, No. 4, 2013

Abstract: The relative performance of a general finite line source model (GFLSM) is assessed using measured NO_x concentrations obtained adjacent to an urban motorway using CEF and HEF. The predicted concentrations are compared with monitored concentrations obtained over a continuous sampling period of one year. Statistical and graphical analyses of the monitored and modelled data are employed to evaluate model performance. It is observed that the values predicted by the GFLSM generally agree well with the monitored data. The effect of background concentrations on model performance is studied and a novel way of defining background concentrations leading to improved model performance of the model is suggested.

Online publication date: Thu, 31-Oct-2013

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