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Recovery of the Surface Density of Radionuclide Contamination of Soil from Aerogamma Survey Data

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Atomic Energy Aims and scope

The recovery of non-uniform surface contamination density from measurements of instrumental spectra performed by the airborne survey method is examined. An algorithm based on Tikhonov’s method of regularization is proposed for solving the inverse problem. The results of testing the chosen algorithm on model problems of recovering the 137Cs contamination of a soil surface in the form of spots with different activity and size are presented. The influence of the regularization parameter on the recovery error is analyzed, and the optimal values of the regularization parameter are obtained.

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Authors and Affiliations

  1. Nuclear Safety Institute, Russian Academy of Sciences (IBRAE RAS), Moscow, Russia

    D. V. Aron, S. L. Gavrilov, A. A. Kiselev & A. M. Shvedov

Authors
  1. D. V. Aron
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  2. S. L. Gavrilov
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  3. A. A. Kiselev
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  4. A. M. Shvedov
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Corresponding author

Correspondence to D. V. Aron.

Additional information

Translated from Atomnaya Énergiya, Vol. 126, No. 6, pp. 341–345, June, 2019.

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Aron, D.V., Gavrilov, S.L., Kiselev, A.A. et al. Recovery of the Surface Density of Radionuclide Contamination of Soil from Aerogamma Survey Data. At Energy 126, 393–398 (2019). https://doi.org/10.1007/s10512-019-00571-9

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  • DOI: https://doi.org/10.1007/s10512-019-00571-9

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