Abstract
The greening of urban areas, including roofs of buildings, can be used as a means to reduce the concentration of pollutants in the air in large cities. In the context of high built-up density, when it is impossible to pick out free space, greening the roofs of existing buildings is a sole solution. In this paper, the movement of air flows and the diffusion of fine dust particles smaller than 2.5 microns (PM2.5) are modelled for a Moscow region with consideration of external non-stationary factors. The computation is made in ENVI-met program via the CFD analysis. In the future, it is planned to assess options for complex landscaping of the studied site, including greening the roofs of buildings along areas with a high content of fine particles, in order to reduce the concentration of PM2.5.
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