Prognostic Mapping of Radioactive Contamination Fields Formed in the Past

E. V. Imshennik and E. V. Kvasnikova†

New data are obtained on cesium 137 contamination after the Chernobyl NPP accident of settlements, agricultural lands, and forest areas in four Russian regions most affected by the accident: the Bryansk, Kaluga, Orel, and Tula regions. The new information was used to qualify the database on radioactive contamination of these areas. The renewed database was used as a basis for compiling maps on the terrain contamination by cesium 137 in 2006 and a series of prognostic maps with a ten-year interval from 2016 to 2056. The assessment of the dynamics of a change in the zonal areas with different levels of contamination by cesium 137 and the time when the patterns of respective contamination levels disappear in these areas is specified.

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