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The eastern part of the Gulf of Finland of the Baltic Sea is the estuary of the Neva River. The study area has significant spatial variability in water salinity. The salinity regime is largely determined by the influx of fresh water from the Neva Bay and water exchange with sea waters from the western sections of the Gulf of Finland. Therefore, the eastern part of the bay is characterized by an increase in salinity from east to west. At the same time, salinity in the eastern part of the Gulf of Finland is characte...

The Gulf of Finland belongs to the large gulfs of the Baltic Sea. The Eastern part of the Gulf of Finland is an estuary of the Neva River. The climate of the Gulf of Finland region is intermediate between marine and continental. Cyclonic atmosphere circulation prevails over the Gulf of Finland throughout the year. The heterogeneity of water masses in the Eastern part of the Gulf of Finland is closely related to significant spatial variability of salinity and water temperature. Water salinity strongly depends on in...

The Gulf of Finland belongs to the large bays of the Baltic Sea. The eastern part of the Gulf of Finland is an estuary of the Neva River. The heterogeneity of its water masses is typical for the eastern part of the bay. The main reason of such issue is the significant spatial variability of water salinity. The salinity regime is largely determined by the flow of fresh water from the Neva Bay and the spread of seawater from the western parts of the Gulf of Finland. There is a weakening of the influence of river flo...

The Leningrad Region is a big/one the main subject of the Russian Federation with a highly developed industrial, transport and scientific potential. The article provides an analysis of some environmental problems typical for this region. Based on the aggregation of statistical information, data is provided on the structure and dynamics of total emissions, air pollutants, as well as emissions and sinks of greenhouse gases in various sectors of the economy of the Leningrad region. The features of deposition of subst...