統計的手法を用いたストロンチウムの土壌-農作物移行係数の推定 A Statistical Approach to Estimating Soil-to-Plant Transfer Factor of Strontium in Agricultural Fields

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著者

    • 石川 奈緒 ISHIKAWA Nao
    • (独)放射線医学総合研究所 放射線防護研究センター廃棄物技術開発事業推進室 National Institute of Radiological Sciences
    • 田上 恵子 TAGAMI Keiko
    • (独)放射線医学総合研究所 放射線防護研究センター廃棄物技術開発事業推進室 National Institute of Radiological Sciences
    • 内田 滋夫 UCHIDA Shigeo
    • (独)放射線医学総合研究所 放射線防護研究センター廃棄物技術開発事業推進室 National Institute of Radiological Sciences

抄録

  Soil-to-plant transfer factor (TF) is one of the important parameters in radiation dose assessment models for the environmental transfer of radionuclides. Since TFs are affected by several factors, including radionuclides, plant species and soil properties, development of a method for estimation of TF using some soil and plant properties would be useful. In this study, we took a statistical approach to estimating the TF of stable strontium (TF<sub>Sr</sub>) from selected soil properties and element concentrations in plants, which was used as an analogue of <sup>90</sup>Sr. We collected the plant and soil samples used for the study from 142 agricultural fields throughout Japan. We applied a multiple linear regression analysis in order to get an empirical equation to estimate TF<sub>Sr</sub>. TF<sub>Sr</sub> could be estimated from the Sr concentration in soil (C<sub>Sr</sub><sup>soil</sup>) and Ca concentration in crop (C<sub>Ca</sub><sup>crop</sup>) using the following equation: log TF<sub>Sr</sub>=−0.88·log C<sub>Sr</sub><sup>soil</sup>+0.93·log C<sub>Ca</sub><sup>crop</sup> −2.53. Then, we replaced our data with Ca concentrations in crops from a food composition database compiled by the Japanese government. Finally, we predicted TF<sub>Sr</sub> using Sr concentration in soil from our data and Ca concentration in crops from the database of food composition.<br>

収録刊行物

  • 日本原子力学会和文論文誌 = Transactions of the Atomic Energy Society of Japan

    日本原子力学会和文論文誌 = Transactions of the Atomic Energy Society of Japan 8(4), 313-319, 2009-12-01

    一般社団法人 日本原子力学会

参考文献:  18件中 1-18件 を表示

各種コード

  • NII論文ID(NAID)
    10025445869
  • NII書誌ID(NCID)
    AA11643165
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13472879
  • NDL 記事登録ID
    10514752
  • NDL 雑誌分類
    ZN36(科学技術--原子力工学・工業)
  • NDL 請求記号
    Z74-C788
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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