Mixing of atmospheric 210Pb and 7Be and 137Cs and 90Sr fission products in four characteristic soil types

S. Osaki, Shinji Sugihara, Y. Maeda, T. Osaki

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

Depth distribution of atmospheric 210Pb and 7Be and 90Sr and 137Cs fission products was measured in two types of aeolian soils (desert dust and volcanic ash), irrigated paddy soil and strongly acidic soil. The depth dependence of 210Pb, 7Be and 137Cs show that these radionuclides have been diffused as solid soil particles in surface soil layers. In aeolian soil layers, about 50% of 90Sr were diffused in surface soil layer and the remaining 50% had penetrated to deeper layers. The half of the fission particles containing 90Sr were shown to have decomposed over the past 35 years.

元の言語英語
ページ(範囲)135-140
ページ数6
ジャーナルJournal of Radioanalytical and Nuclear Chemistry
272
発行部数1
DOI
出版物ステータス出版済み - 4 1 2007

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Fission products
Soil
Soils
Ashes
Volcanic Eruptions
Dust
Radioisotopes

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

これを引用

Mixing of atmospheric 210Pb and 7Be and 137Cs and 90Sr fission products in four characteristic soil types. / Osaki, S.; Sugihara, Shinji; Maeda, Y.; Osaki, T.

:: Journal of Radioanalytical and Nuclear Chemistry, 巻 272, 番号 1, 01.04.2007, p. 135-140.

研究成果: ジャーナルへの寄稿記事

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AB - Depth distribution of atmospheric 210Pb and 7Be and 90Sr and 137Cs fission products was measured in two types of aeolian soils (desert dust and volcanic ash), irrigated paddy soil and strongly acidic soil. The depth dependence of 210Pb, 7Be and 137Cs show that these radionuclides have been diffused as solid soil particles in surface soil layers. In aeolian soil layers, about 50% of 90Sr were diffused in surface soil layer and the remaining 50% had penetrated to deeper layers. The half of the fission particles containing 90Sr were shown to have decomposed over the past 35 years.

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