Objective To investigate the continuity, extent and annual evolution of the transformation, deposition and transport processes in the sub-continental scale.Air pollution in Southern Europe and in the Mediterranean basin in particular, presents some new and specific problems associated with the topography and climate in these latitudes. On the basis of recent experiments, it appears that: 1) there are places where the chemical transformation and deposition processes may be very closely linked to the local atmospheric dispersion scenarios, i.e. the chemistry may become site, or region specific, and 2) there are important mechanisms which can lead to the ageing and mid-tropospheric injection of polluted airmasses, which can then become free to participate in regional and long-range transport processes within the whole of Europe. This would help defining the contribution of southern Europe, i.e. Mediterranean area and Portugal, to the global circulation of atmospheric pollutants. Some of the above mentioned chemical processes have been documented in Italy (Milan), while the mid-tropospheric injection, and the regional transport of aged airmasses from the coast inland (up to 150 km) has also been observed in Spain as a result of previous CEC projects.This project has teams from four South European countries defining the general conditions for the local ageing of atmospheric pollutants emitted in this general area, the exchange mechanisms involved between the various regions, extending from the local to the sub-continental scale, and from the surface to the midtroposphere.One of the most important achievements of this project is expected to be the production of a, synoptic like, meteorological classification of the most favourable, and worst case scenarios for the development, and evolution, of air pollution episodes in Southern Europe, and the continuity of these polluted airmasses. Fields of science natural sciencesphysical sciencesastronomyplanetary sciencesplanetary geologyengineering and technologyenvironmental engineeringair pollution engineeringnatural sciencesearth and related environmental sciencesenvironmental sciencespollution Programme(s) FP3-ENV 1C - Specific research and technological development programme (EEC) in the field of the environment, 1990-1994 Topic(s) 0105 - Tropospheric physics and chemistry Call for proposal Data not available Funding Scheme CSC - Cost-sharing contracts Coordinator FUNDACION CENTRO DE ESTUDIOS AMBIENTALES DEL MEDITERRANEO EU contribution No data Address Parque Tecnologico, c/ Charles Darwin 14 46980 CAMPAMENTO/PATERNA Spain See on map Total cost No data Participants (5) Sort alphabetically Sort by EU Contribution Expand all Collapse all Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas Spain EU contribution No data Address 22,Avenida Complutense 22 28040 Madrid See on map Total cost No data INSTITUTO DE METEOROLOGIA Portugal EU contribution No data Address Rua C do Aeroporto de Lisboa 1749-077 LISBOA See on map Total cost No data NATIONAL RESEARCH COUNCIL OF ITALY Italy EU contribution No data Address Unical-Polifunzionale 87036 RENDE See on map Total cost No data National Observatory of Athens Greece EU contribution No data Address Lofos Nymphon 11810 Athens See on map Total cost No data UNIVERSITY OF AVEIRO Portugal EU contribution No data Address Campus de Santiago 3810-193 AVEIRO/EIXO See on map Total cost No data