Article ID Journal Published Year Pages File Type
8082208 Journal of Environmental Radioactivity 2015 5 Pages PDF
Abstract
The influence of the variation of soil density and the uncertainty of activity measurements on the statistical distribution of radionuclide concentrations on a site is considered. It is demonstrated that the influence of these factors adequately explains the observed deviation of radionuclide empirical probability distribution functions (empirical PDFs) from lognormal. In all probability lognormality of activity density distributions is the consequence of the atmospheric fallout process, as observed for deposition from Chernobyl and Fukushima. The results obtained are in no way specific to radioactive contaminants, and are consequently applicable for depositions of non-radioactive pollutants as well.
Related Topics
Physical Sciences and Engineering Energy Nuclear Energy and Engineering
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