мониторинг

The analysis of regional factors of Saratov region geoecologial risk of oil-fields exploitation was made. Also possibilities of geoecological monitoring with GIS technology using were analyzed.

During long-term operation of oil and gas fields in the groundwater on their territory are formed hydrogeochemical anomalies expressed primarily chlorellaman type chemical composition, typical of the zone of active water exchange. The formation of the chemical composition of groundwater is influenced by many factors, both natural and manmade.

This article discusses the state of atmospheric air. Based on the results of the analysis, an assessment of its pollution levels in the city of Yerevan was carried out. It is shown that the concentration of dust in the atmospheric air has a well-defined annual course. The maximum values of dust concentration are typical for the warm period of the year. The greatest proportion of air pollution is observed in the administrative district of Kentron, the excess of dust content in relation to MPC.