A new human exposure model has been developed that combines data on traffic air pollution and population data on a high spatial (postal address) and temporal (one hour) resolution. The model system is using a Geographic Information System in combination with available digital maps (buildings, streets, address points, property limits) and administrative databases on people, traffic and buildings. The air pollution is calculated with the Danish Operational Street Pollution Model (OSPM). Simple human exposure estimates are predicted by combining air pollution data with the number of people living or working at a given address during a given time period. The model system may be used for exposure impact assessment of traffic control measures, and exposure assessment in health studies
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