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Title: Recovery of the Surface Density of Radionuclide Contamination of Soil from Aerogamma Survey Data.
Authors: Aron, D. V.; Gavrilov, S. L.; Kiselev, A. A.; Shvedov, A. M.
Abstract: 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.
Subjects: SOIL pollution; SURFACE contamination; REGULARIZATION parameter; RADIOISOTOPES; INVERSE problems
Publication: Atomic Energy, 2019, Vol 126, Issue 6, p393
ISSN: 1063-4258
Publication type: Academic Journal
DOI: 10.1007/s10512-019-00571-9

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