Development of the high spatial resolution EMICAT2000 emission model for air pollutants from the north-eastern Iberian Peninsula (Catalonia, Spain)

Ozone (O3) pollution episodes take place in Catalonia (NE of the Iberian Peninsula), mainly during summertime. The complex O3 behaviour could be understood by using a Chemical Transport Model (CTM). Emission inventories provide the spatial and temporal emissions distribution of the O3 precursors and other pollutants required by this approach. We developed the EMICAT2000 model with high spatial (cells of 1 km2) and temporal (1 h) resolutions, to estimate the emissions during the year 2000 from Catalonia. Total annual emissions were 107 kt yr−1 of NOx, 137 kt yr−1 of NMVOC, 267 kt yr−1 of CO, 65 kt yr−1 of SO2, 24 kt yr−1 of TSP and 32 175 kt yr−1 of equivalent CO2. Main NOx sources are on-road traffic (58%) and industries (38%). Main NMVOC sources are on-road traffic (36%), vegetation (34%) and use of solvents (13%). Speciation was established according to the Carbon Bond IV mechanism. EMICAT2000 generates directly the data files required for the third generation CTM Models-3/CMAQ.