Making use of the three-dimensional mesoscale model formulated in Part I, numerical experiments were carried out to study the cloud and fog formation as well as aerosol spreading in the orographically inhomogeneous planetary boundary layer (PBL). Cloud/aerosol interactions and their ef-fects on the optical and radiative characteristics of the atmosphere were investigated. Influence of the orographic effects on the spreading of pollutants from various type sources and specific features pertaining to the spreading of light and heavy aerosol components in PBL were examined.
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