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239Pu fallout across continental Australia: Implications on 239Pu use as a soil tracer

Lal, Rajeev; Fifield, L Keith; Tims, Steve; Wasson, R.J.


At present there is a need for the development of new radioisotopes for soil erosion and sediment tracing especially as fallout 137Cs levels become depleted. Recent studies have shown that 239Pu can be a useful new soil erosion and sediment radioisotope tracer. 239Pu was released in the major atmospheric nuclear weapons tests of 1950's and 1960's. However 239Pu has a half-life of 24110 years and more than 99% of this isotope is still present in the environment today. In contrast 137Cs with a...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Journal of Environmental Radioactivity
DOI: 10.1016/j.jenvrad.2017.08.009


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