2 documents found, page 1 of 1
The role of transboundary air pollution over Galicia and North Portugal area
Borrego, C.; Souto, J. A.; Monteiro, A.; Dios, M.; Rodríguez, A.; Ferreira, J.; Saavedra, S.; Casares, J. J.; Miranda, A. I.Insummer,highlevelsofozone(O3)arefrequently measured at both Galicia and Northern Portugal air quality monitoring stations, even exceeding the limit values imposed by legislation. This work aims to investigate the origin of these high O3 concentrations by the application of a chemical transport modelling system over the northwestern area of the Iberian Peninsula. The WRF–CHIMERE modelling system was applied wit...
High ozone levels in the northeast of Portugal: analysis and characterization
Carvalho, A.; Monteiro, A.; Ribeiro, I.; Tchepel, O.; Miranda, A. I.; Borrego, C.; Saavedra, S.; Souto, J. A.; Casares, J. J.Each summer period extremely high ozone levels are registered at the rural background station of Lamas d'Olo, located in the Northeast of Portugal. In average, 30% of the total alert threshold registered in Portugal is detected at this site. The main purpose of this study is to characterize the atmospheric conditions that lead to the ozone-rich episodes at this site. Synoptic patterns anomalies and back traject...