CS-137 BEHAVIOR IN BOG ECOSYSTEMS

The results of an investigation of the Chernobyl-born Cs-137 behaviour in bog ecosystems of Belarus are presented. High radioisotope concent rations have been established in bedrock, bog water and soil solutions . A zonality in the Cs-137 distribution in soil solutions has been rev ealed for the first time, whereby the higher radionuclide concentratio ns are typical of water layer found closer to the bedrock, as compared to those in layers relatively far removed from it. Conceptual and mat hematical (for a special case) models of the radionuclides removal fro m highmoor type bog ecosystems have been suggested.