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Applicability of 239Pu as a tracer for soil erosion in the wet-dry tropics of northern Australia

Lal, Rajeev; Tims, Stephen; Fifield, L Keith; Wasson, Robert; Howe, D


The technique of accelerator mass spectroscopy (AMS) has been employed to determine modern soil loss rates through the analysis of 239Pu profiles in soil cores from the Daly basin in Northern Territory, Australia. In areas in which soil conservation banks were not present or were only added recently (<25a) and which had a history of grazing and cultivation the measured soil loss rates over the past ∼50 years were 7.5-19.5 t ha -1 a-1. The measured rates are up to 5 times higher compared to...[Show more]

CollectionsANU Research Publications
Date published: 2013
Type: Conference paper
Source: Nuclear Instruments and Methods in Physics Research Section B 294: Proceedings of the Twelfth International Conference on Accelerator Mass Spectrometry
DOI: 10.1016/j.nimb.2012.07.041


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