Vertical migration of fallout super(137)Cs in agricultural soils from Southern Chile

Total inventories and depth distributions of atomic weapons testing fallout super(137)Cs were determined at four sites in Chile. Cesium inventories are always higher than previously estimated for the Southern Hemisphere and depend on annual rainfall. From the measured depth distributions cesium migr...

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Bibliographic Details
Published inThe Science of the total environment Vol. 193; no. 3; pp. 197 - 205
Main Authors Schuller, P, Ellies, A, Kirchner, G
Format Journal Article
LanguageEnglish
Published 01.01.1997
Subjects
Chile
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Summary:Total inventories and depth distributions of atomic weapons testing fallout super(137)Cs were determined at four sites in Chile. Cesium inventories are always higher than previously estimated for the Southern Hemisphere and depend on annual rainfall. From the measured depth distributions cesium migration rates of <0.5 cm/year were calculated. Modeling the super(137)Cs transport by the convection-dispersion equation yielded a better accordance with the measured depth distributions than the application of a compartmental model.
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ISSN:0048-9697