Abstract
An analysis has been made of the surface distribution of137Cs and90Sr in soils of the province of Cáceres (Spain), of some 20.000 km2 area, situated on the frontier with Portugal. From the distribution of depth profiles of concentrations of these radionuclides and their fit to a negative exponential, determination was made of the mean values of the respective inventories and of the corresponding137Cs/90Sr ratio. The external dose rates from the presence of these man-made isotopes in the soil are calculated and compared with that originating from the concentrations of natural radioisotopes.
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Baeza, A., Del Rio, M., Miro, C. et al. Surface and depth fallout distribution of137Cs and90Sr in soils of Caceres (Spain). Dose commitments due to external irradiation. Journal of Radioanalytical and Nuclear Chemistry Letters 175, 297–316 (1993). https://doi.org/10.1007/BF02165071
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DOI: https://doi.org/10.1007/BF02165071