Regional Model for Formation, Dynamics, and Long-range Transport of Atmospheric Aerosol

S. G. Tsyro

This paper is concerned with various aspects of regional transport modeling of atmospheric aerosols, or particulate matter (PM), including their physical and chemical transformations and presents a recently developed aerosol model. The model accounts for all of main aerosol processes, including aerosol emissions, formation, dynamics, atmospheric transport, and removal. The model includes primary and secondary aerosols of both anthropogenic and natural origin and allows calculating mass and number concentrations and size distribution of multicomponent aerosols. A flexible model structure makes it possible to change a description of aerosol size distribution, to include new aerosol components, to modify numerical schemes used in the model, and to include new schemes. The combination of model computational efficiency with satisfactory accuracy of results facilitates the use of the model for operational calculations of the current transboundary air pollution and pollution trends in Europe within EMEP (Co-operative Programme for Monitoring and Evaluation of the long-range transmission of air pollutants in Europe), as well as for estimation of future air pollution scenarios to support the strategy development for optimal emission regulations in Europe.