Using fallout plutonium as a probe for erosion assessment

Journal of Environmental Radioactivity
W T HooN Mueller

Abstract

A study has been carried out to assess the potential of using fallout plutonium (Pu), which originated from atmospheric nuclear-weapons tests, as a tool to investigate recent erosional processes within the lower Cotter water-supply catchment in the Australian Capital Territory. This catchment, which was predominantly pine plantation, was severely affected by a major bush fire in 2003. Accelerator mass spectrometry has been used to measure Pu in soil samples collected from a number of sites across the catchment. The results indicate that less than 1cm of surface soil had been lost since the early 1960s over much of the catchment. Areas of more erodible soil have, however, lost 2-4cm of topsoil, and a loss of ∼6cm of soil was identified at one particular site.

References

Dec 8, 2007·Journal of Environmental Radioactivity·S E EverettL K Fifield

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Citations

Dec 30, 2014·The Science of the Total Environment·Yihong XuLiguo Cao
Jul 5, 2015·Journal of Environmental Radioactivity·S G TimsM De Cesare
Jun 26, 2014·Journal of Environmental Radioactivity·Wenting BuShigeo Uchida

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