Evaluation of the Radionuclide Fallout Density on the Earth’s Surface in Different Variants of the Calculation of the Meteorological Dilution Parameters

  • A. N. PerevolotskiiEmail author
  • T. V. Perevolotskaya

The aim of this work is to evaluate variants of the calculation of the average multiyear meteorological dilution parameters based on a Gaussian dispersal model for constant emissions. Three variants of the calculation of the meteorological dilution parameters which are distinguished by different degrees of detailing of the atmospheric stability categories and their characteristic wind speeds, which determines the difficulty and complexity of the calculations, are examined. It is shown that at distances >1000 m from the source of emissions all three computational variants give comparable results and can be used to estimate the radioecological conditions in the environment. The computational variant 1, which takes account of the realization of the atmospheric stability category and its corresponding gradations of wind speed, is the preferred option. It makes it possible to obtain more accurate estimates of the constant radioactive fallout density.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.All-Russia Research Institute of Radiology and Agroecology (VNIIRAE)ObninskRussia

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