Abstract
Leaf and aerosol samples were monthly collected in Mt. Sefuri (Fukuoka Prefecture). Radioactivities of 7Be, 210Pb and 40K were determined with gamma-ray spectrometry. The concentrations of some elements in the leaf samples were determined by neutron activation analysis. Similar seasonal variation of 7Be and 210Pb was observed between leaf and aerosol samples, high in spring and winter and low in summer. Correlation factors for trace elements contained in the leaf show large variations. This indicates that the contribution of two sources (atmospheric deposition and uptake from soil) is very variable.
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Sugihara, S., Efrizal, Osaki, S. et al. Seasonal variation of natural radionuclides and some elements in plant leaves. J Radioanal Nucl Chem 278, 419–422 (2008). https://doi.org/10.1007/s10967-008-0812-6
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DOI: https://doi.org/10.1007/s10967-008-0812-6