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福島第一原発事故直後の福島県周辺の農地土壌における放射性物質濃度
https://doi.org/10.24514/00003007
https://doi.org/10.24514/00003007715668a5-7487-4ffd-bbf3-b077857a88e8
| 名前 / ファイル | ライセンス | アクション |
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niaes_report_No34p23-28p.pdf (738.5 kB)
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| Item type | 紀要論文01 / Departmental Bulletin Original Article(1) | |||||||||||||||||||||||
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| 公開日 | 2019-10-09 | |||||||||||||||||||||||
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| タイトル | 福島第一原発事故直後の福島県周辺の農地土壌における放射性物質濃度 | |||||||||||||||||||||||
| タイトル | ||||||||||||||||||||||||
| タイトル | Concentration of radioactive materials of agricultural soil in surrounding area of Fukushima prefecture just after the Fukushima Daiichi Nuclear Power Plant Accident | |||||||||||||||||||||||
| 言語 | en | |||||||||||||||||||||||
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| 言語 | jpn | |||||||||||||||||||||||
| 資源タイプ | ||||||||||||||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||||||
| 資源タイプ | departmental bulletin paper | |||||||||||||||||||||||
| ID登録 | ||||||||||||||||||||||||
| ID登録 | 10.24514/00003007 | |||||||||||||||||||||||
| ID登録タイプ | JaLC | |||||||||||||||||||||||
| 著者 |
木方, 展治
× 木方, 展治
× 大瀬, 健嗣
× 谷山, 一郎
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| 内容記述タイプ | Abstract | |||||||||||||||||||||||
| 内容記述 | The authors measured concentration of ^<131>I, ^<134>Cs and ^<137>Cs in agricultural soil (0-15cm) which were sampled in Miyagi, Ibaraki, Tochigi, Gunma, Saitama, Chiba and Kanagawa Prefecture on the basis of the request of the Ministry of Agriculture, Forestry and Fisheries (MAFF) and the prefectural governments just after accident of the Fukushima Daiichi Nuclear Power Plant (FDNPP) from March 25 to April 2, 2011. Fukushima Prefecture, where the FDNPP is located, and northern Ibaraki Prefecture were not included. This paper shows the data of ^<134>Cs and ^<137>Cs including ^<131>I which are unpublished. The ranges of ^<131>I, ^<134>Cs, ^<137>Cs, radioactive Cs (^<134>Cs+^<137>Cs) are from 18.1 to 2600 Bq kg^<-1> , from 5.8 to 1980 Bq kg^<-1>, from 7.0 to 2060 Bq kg^<-1>, from 12.8 to 4040 Bq kg^<-1> , respectively. In general the concentrations are high in southern Miyagi, middle Ibaraki and northern Tochigi Prefecture where are near to the FDNPP. The range of ^<131>I / ^<137>Cs concentration ratio shows the large difference from 0.76 to 11.9. The averages of the ratio in each prefectures are 3.71 in Miyagi Prefecture, 6.10 in Ibaraki Prefecture, 2.94 in Tochigi Prefecture, 2.11 in Gunma Prefecture, 3.28 in Saitama Prefecture, 4.03 in Chiba Prefecture and 3.50 Kanagawa Prefecture. This results shows the ^<131>I / ^<137>Cs ratio at the areas is deferent with the time of passing of radioactive plume and the weather at deposition. The average ^<134>Cs/^<137>Cs ratio as 0.92 in Tochigi Prefecture is lower than the value as 0.96 and 0.97 in Ibaraki and Tochigi Prefecture respectively. However it is difficult to conclude that there is difference ^<134>Cs/^<137>Cs ratio between the prefectures in low radioactive Cs concentration. | |||||||||||||||||||||||
| 書誌情報 |
農業環境技術研究所報告 en : Bulletin of National Institute for Agro-Environmental Sciences 巻 34, p. 23-28, 発行日 2015-03 |
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| 出版者 | 独立行政法人 農業環境技術研究所 | |||||||||||||||||||||||
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| 収録物識別子タイプ | ISSN | |||||||||||||||||||||||
| 収録物識別子 | 0911-9450 | |||||||||||||||||||||||
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| 関連タイプ | isIdenticalTo | |||||||||||||||||||||||
| 識別子タイプ | DOI | |||||||||||||||||||||||
| 関連識別子 | 10.24514/00003007 | |||||||||||||||||||||||
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| 出版タイプ | VoR | |||||||||||||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||||||||
