Geochemical monitoring of ground deposits in east part of the Gulf of Finland

The comparative analysis of the existing methods of assessment of a condition of ground deposits was made. On the basis of GIS ArcGIS for Desktop results of environmental control of ground deposits in east part of the water area of the Gulf of Finland are systematized, rated estimates and integrated characteristics in time and space are constructed. The analysis of the obtained data with the purpose of identification of the most polluted sites is carried out. By results of the analysis thematic cards are constructed.