Bioecological evaluation of the quality of the surface runoff from urban territories (case study of the city of Brest)

И. Бульская, А. Волчек, А. Колбас. Биоэкологическая оценка качества поверхностного стока с городских территорий (на примере г. Бреста

Floods on the territory of Polesie

International Conference on Efficient & Sustainable Water Systems Management toward Worth Living Development, 2nd EWaS 2016The article presents the analysis of the formation of floods in Polesie on the r. Pripyat during the period of instrumental observations. Polesie is a unique physiographic region, located on the territory of four countries: Belarus, Poland, Russia and Ukraine. The total area is about 130 thousand km^2. The Pripyat, the main river of Polesie, is an average river according to the European scale. The length of the r. Pripyat is 761 km; the catchment area is 173.7 thousand km^2. The article describes the most outstanding floods. The basic measures to reduce the negative effects of floods and priorities for floods research in Polesie are outlined

Floods on the territory of Polesie

International Conference on Efficient & Sustainable Water Systems Management toward Worth Living Development, 2nd EWaS 2016The article presents the analysis of the formation of floods in Polesie on the r. Pripyat during the period of instrumental observations. Polesie is a unique physiographic region, located on the territory of four countries: Belarus, Poland, Russia and Ukraine. The total area is about 130 thousand km^2. The Pripyat, the main river of Polesie, is an average river according to the European scale. The length of the r. Pripyat is 761 km; the catchment area is 173.7 thousand km^2. The article describes the most outstanding floods. The basic measures to reduce the negative effects of floods and priorities for floods research in Polesie are outlined

Inorganic constituents in surface runoff from urbanised areas in winter: the case study of the city of Brest, Belarus

The aim of this paper was to study the inorganic constituents of snow and snowmelt surface runoff in a case study of the city of Brest and to indicate components that could pose a threat to the environment. Samples of snow and snowmelt runoff were analysed for the following parameters: total suspended solids, pH, the contents of nitrate, phosphate and ammonium ions, and of heavy metals. The concentrations of most of these pollutants were higher in the snowmelt runoff than in snow. The concentrations of pollutants in the snowmelt surface runoff exceeded the levels established by national regulations (maximum permissible concentrations)

Raskmetallid Vilniuse linnakeskkonna pindmise äravoolu setendites

Surface runoff from urbanized territories carries a wide range of pollutants. Sediments in untreated runoff from direct discharge stormwater systems significantly contribute to urban waterway pollution. In this study, heavy metal (Pb, Zn, Cu, Cr, Ba, As and Fe) contamination in surface runoff sediments of the urban area of the city of Vilnius was investigated. The surface runoff sediment samples were collected from seven dischargers with the highest volume rate of water flow and concentrations of suspended solids. The geospatial analysis of the distribution of heavy metals shows that there are several active pollution sources supplying the dischargers with contaminated sediments. Most of these areas are located in the central part of the city and in old town with intense traffic. Principal components analysis and t-test results clearly depicted the significantly different chemical compositions of winter and autumn surface sediment samples. The sampling approach and assessment of results provide a useful tool to examine the contamination that is generated in urban areas, distinguish pollution sources and give a better understanding of the importance of permeable surfaces and green areas