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

Autor:	D. V. Aron, A. M. Shvedov, S. L. Gavrilov, A. A. Kiselev
Rok vydání:	2019
Předmět:	Tikhonov regularization Surface (mathematics) Nuclear Energy and Engineering Environmental science Radionuclide contamination Soil science Soil surface Inverse problem Contamination Regularization (mathematics)
Zdroj:	Atomic Energy. 126:393-398
ISSN:	1573-8205 1063-4258
DOI:	10.1007/s10512-019-00571-9
Popis:	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.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::d54ee6a588745b377c9f70f7c2451a76 https://doi.org/10.1007/s10512-019-00571-9 Zobrazit plný text záznamu Full text from SpringerLink