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Anomalous elevated radiocarbon measurements of PM2.5

Buchholz, Bruce A.; Fallon, Stewart; Zermeno, Paula; Bench, Graham; Schichtel, Bret


Two-component models are often used to determine the contributions made by fossil fuel and natural sources of carbon in airborne particulate matter (PM). The models reduce thousands of actual sources to two end members based on isotopic signature. Combustion of fossil fuels produces PM free of carbon-14 (14C). Wood or charcoal smoke, restaurant fryer emissions, and natural emissions from plants produce PM with the contemporary concentration of 14C approximately 1.2 × 10-1214C/C. Such data can...[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.2012.05.021


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