An international consortium of scientists has refined the map of cesium and plutonium radionuclide concentrations in soils in Switzerland and several neighboring countries. Using an archive of European soil samples, the team led by Katrin Meusburger from the University of Basel, now at the WSL research institute, was able to trace the sources of radioactive fallout between 1960 and 2009. This study was published in Scientific Reports.
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Source: Phys.org