A source-receptor analysis of NOx emissions in the lower fraser valley, B. C.

Abstract

Though the Lower Fraser Valley (LFV) has generally good air quality (AQ), ozone episodes may occur under a narrow set of synoptic and mesoscale conditions. These conditions give rise to complex flow systems, which further complicate the chemical sensitivity of the airshed. In this study, we use the MLDP0 dispersion model to investigate source-receptor relationships between NOx emissions and receptor locations (AQ stations) subject to high ozone concentrations in the NOx-limited portion of the valley.