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Plutonium as a tracer of soil and sediment movement in the Herbert River, Australia

Tims, Stephen; Everett, Sarah; Fifield, L Keith; Hancock, Gary; Bartley, Rebecca


Plutonium fallout from atmospheric nuclear-weapons testing in the 1950s and 1960s constitutes an artificial tracer suitable for the study of recent soil erosion and sediment accumulation rates. Traditionally 137Cs has been the fallout isotope of choice for such studies, but the plutonium isotopes confer a number of advantages, which can be realised using the ultra-sensitive detection technique of Accelerator Mass Spectrometry (AMS). As a first application of plutonium to a whole-of-basin study,...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Nuclear Instruments and Methods in Physics Research: Section B
DOI: 10.1016/j.nimb.2009.10.121


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