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Variability of activity concentrations and radial distributions of 137Cs and 90Sr in trunk wood of Scots pine and Silver birch by D. Holiaka; V. Yoschenko; O.R. Cherniaiev; A. Moskaliuk; O. Lesnik; S. Levchuk; M. Holiaka; V. Gumenuk; Y. Kovbasa; O. Borsuk; V. Holik; K. Nanba; V. Kashparov is a Environmental Science article available to read on EtoBox.
What is Variability of activity concentrations and radial distributions of 137Cs and 90Sr in trunk wood of Scots pine and Silver birch about?
This study analyzes the variability of 137Cs and 90Sr concentrations in wood and their radial distributions in the trunks of Scots pine and Silver birch trees in the small uniformly contaminated forest stands in the Chornobyl Exclusion Zone. Concentrations of both radionuclides follow a lognormal distribution with a large scatter of values measured in the trees within the stands (GSD ranges from 1.6 to 2.0). No correlation was found between the concentrations of the two radionuclides measured in individual trees, or between their concentrations and tree diameter. The average 137Cs and 90Sr T ag were 8.4 × 10−4 m2 kg−1 and 8.8 × 10−3 m2 kg−1 for pine, respectively, and 9.3 × 10−4 m2 kg−1 and 1.1 × 10−2 m2 kg−1 for birch, indicating a much higher availability of 90Sr for uptake by the studied species. For 137Cs, the T ag values are within the range recommended by the IAEA Handbook (IAEA, 2010), while the values for 90Sr exceed the recommended range for birch and are close to its upper value for pine. The highest concentrations of 137Cs in pine at the height of 1.3 m were measured in the youngest sapwood rings; they were lower in the rest of the sapwood and decreased further in the he
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It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- D. Holiaka; V. Yoschenko; O.R. Cherniaiev; A. Moskaliuk; O. Lesnik; S. Levchuk; M. Holiaka; V. Gumenuk; Y. Kovbasa; O. Borsuk; V. Holik; K. Nanba; V. Kashparov
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)