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Radioactive contamination mapping of northeastern and eastern Japan by a car-borne survey system, Radi-Probe
https://repo.qst.go.jp/records/47037
https://repo.qst.go.jp/records/47037d0bc4b0d-3041-4f79-80f4-3b4889eabf98
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2015-02-07 | |||||
| タイトル | ||||||
| タイトル | Radioactive contamination mapping of northeastern and eastern Japan by a car-borne survey system, Radi-Probe | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 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 | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
Kobayashi, Shingo
× Kobayashi, Shingo× Shinomiya, Takayuki× Kitamura, Hisashi× Ishikawa, Takahiro× Imaseki, Hitoshi× Oikawa, Masakazu× Kodaira, Satoshi× Miyaushiro, Norihiro× Yoshio, Takashima× Uchihori, Yukio× 小林 進悟× 四野宮 貴幸× 北村 尚× 石川 剛弘× 今関 等× 及川 将一× 小平 聡× 宮後 法博× 高島 良生× 内堀 幸夫 |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | We constructed a new car-borne survey system called Radi-Probe with a portable germanium gamma-ray spectrometer onboard a cargo truck, to identify radionuclides and quantify surface contamination from the accident at Fukushima Dai-ichi Nuclear Power Station. The system can quickly survey a large area and obtain ambient dose equivalent rates and gamma-ray energy spectra with good energy resolution. We also developed a new calibration method for the system to deal with an actual nuclear disaster, and quantitative surface deposition densities of radionuclides, such as 134Cs and 137Cs, and kerma rates of each radionuclide can be calculated. We carried out car-borne survey over northeastern and eastern Japan (Tohoku and Kanto regions of Honshu) from 25 September through 7 October 2012. We discuss results of the distribution of ambient dose equivalent rate H∗(10), 134Cs and 137Cs surface deposition densities, spatial variation of 134Cs/137Cs ratio, and the relationship between surface deposition densities of 134Cs/137Cs and H∗(10). The ratio of 134Cs/137Cs was nearly constant within our measurement precision, with average 1.06 ± 0.04 in northeastern and eastern Japan (decay-corrected to 11 March, 2011), although small variations from the average were observed. | |||||
| 書誌情報 |
Journal of Environmental Radioactivity 巻 139, p. 281-293, 発行日 2014-09 |
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| 出版者 | ||||||
| 出版者 | Elsevier | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 0265-931X | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | doi:10.1016/j.jenvrad.2014.07.026 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | http://www.sciencedirect.com/science/article/pii/S0265931X14002318 | |||||
| 関連名称 | http://www.sciencedirect.com/science/article/pii/S0265931X14002318 | |||||
