Potential of atmosphere pollution in the East-Ural radioactive contamination zone

The East-Ural radioactive contamination zone was generated due to two radiation incidents and one accident at Mayak Production Association. The radioactive polluted territory is located in northern part of Chelyabinsk and Kurgan regions, in southern and southeast part of Sverdlovsk region. The researchers have used physical and statistical method developed in the Main geophysical observatory named after A.I.Voejkov to determine the existential spaiotemporal variability of the meteorological conditions promoting pollution of surface atmosphere. According to this method, the complex characteristic showing the influence of meteorological conditions on the level of surface air pollution is considered to be the potential of atmosphere pollution. To calculate the potential of atmosphere pollution, the authors have used the data on frequency of near-surface air temperature inversions, weak winds, air stagnation and fogs during 1980-1991 registered at eight meteorological stations located in territory of the Urals Department of Hydrometeorology and Environment Monitoring...