Title: Radioactivity in smoke particulates from prescribed burns at the Savannah River Site and at selected southeastern United States forests
Abstract: Abstract In this study we compare airborne radionuclide concentrations during prescribed burns at the Savannah River Site (SRS) and a sample of forests in the Southeastern United States. The spatial trends of airborne radionuclide concentrations from prescribed burn areas at SRS are also characterized. Total suspended particulate (TSP) samples were taken at three settings (subsequently termed burn sample populations): during prescribed burns at SRS (n = 34), on nonburn days at SRS (n = 12) and during prescribed burns at five offsite locations in the Southeastern United States (n = 2 per location). Mass concentrations of TSP were calculated and alpha, beta and gamma spectroscopy was performed to determine radionuclide activity concentrations. Spatial correlation in radionuclide concentration was assessed and ordinary kriging was used to create continuous surface maps across our study area. Median activity concentrations of natural radionuclides including 40K, thorium and uranium isotopes (n = 34) were higher in samples from SRS prescribed fires (p
Publication Year: 2012
Publication Date: 2012-02-08
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 8
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