Local Area Distribution of Fallout Radionuclides from Fukushima Daiichi Nuclear Power Plant Determined by Autoradiography Analysis
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- SAKAMOTO Fuminori
- Japan Atomic Energy Agency
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- OHNUKI Toshihiko
- Japan Atomic Energy Agency
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- KOZAI Naofumi
- Japan Atomic Energy Agency
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- IGARASHI Shosuke
- Japan Atomic Energy Agency Ibaraki University
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- YAMASAKI Shinya
- Japan Atomic Energy Agency
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- YOSHIDA Zenko
- Japan Atomic Energy Agency
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- TANAKA Shunichi
- NPO Radiation Safety Forum
Bibliographic Information
- Other Title
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- オートラジオグラフィーを用いた福島第一原子力発電所起源の放射性降下物の局所的な分布解析
- 福島第一原子力発電所事故関連論文 オートラジオグラフィーを用いた福島第一原子力発電所起源の放射性降下物の局所的な分布解析
- フクシマ ダイイチ ゲンシリョク ハツデンショ ジコ カンレン ロンブン オートラジオグラフィー オ モチイタ フクシマ ダイイチ ゲンシリョク ハツデンショ キゲン ノ ホウシャセイ コウカブツ ノ キョクショテキ ナ ブンプ カイセキ
- Local area distribution of fallout radionucuides from Fukushima Daiichi Nuclear Power Plant determined by autoradiography analysis.
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Abstract
The environmental behavior of radioactive Cs in the fallout from the accident of the Fukushima Daiichi Nuclear Power Plant has been studied by measuring its spatial distribution on/in trees, plants, and surface soil beneath the plants using autoradiography analysis. The results of autoradiography analysis showed that radioactive Cs was distributed on the branches and leaves of trees that were present during the accident and that only a small fraction of radioactive Cs was transported to new branches and leaves grown after the accident. Radioactive Cs was present on the grass and rice stubble on the soils, but not in the soils beneath the grass and rice stubble, indicating that the radioactive Cs was deposited on the grass and the rice plant. In addition, the ratio of the radioactive Cs that penetrated into the soil layer by weathering was very small two months after the accident. These results indicate that trees and other plants are the reservoir of the fallout Cs and function to retard the fallout Cs migration with rain water.<br>
Journal
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- Transactions of the Atomic Energy Society of Japan
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Transactions of the Atomic Energy Society of Japan 11 (1), 1-7, 2012
Atomic Energy Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205186598912
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- NII Article ID
- 10030136505
- 130002149401
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- NII Book ID
- AA11643165
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- COI
- 1:CAS:528:DC%2BC38Xos1Srt7g%3D
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- ISSN
- 21862931
- 13472879
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- NDL BIB ID
- 023557240
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed