Abstract
In cities the surface flow is one of the main sources of pollution for surface waters within urban development. Snow cover is an indicator of the atmospheric air pollution and sanitary state of populated areas. Using the examples of various urban functional zones, the evaluation of the snow cover state in modern conditions has been carried out. The analysis of the meltwater composition has shown that the metal ions are one of the main components of pollutants. In order to decrease the negative influence upon water bodies of surface waters of populated areas, a system of surface flow with compulsory afterpurification should be organized. A version of reconstruction for existing network of surface flow has been considered, with installation of local purification facilities including cartridge filters. A version with gabion structures has been considered for shallow parts of coastal zones. In this case rainwater and meltwater flow through spaces between gabions, without affecting aesthetic appearance of the territory. Seepage waters ensure the supply of groundwater.
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