WEKO3
アイテム
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Radiation survey along two trails in Mt. Fuji to investigate the influence of the radioactive contamination due to the Fukushima nuclear accident
https://repo.qst.go.jp/records/71026
https://repo.qst.go.jp/records/71026fd966576-d49f-408d-865d-5bfd2cbb260a
Item type | 会議発表用資料 / Presentation(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2012-12-19 | |||||
タイトル | ||||||
タイトル | Radiation survey along two trails in Mt. Fuji to investigate the influence of the radioactive contamination due to the Fukushima nuclear accident | |||||
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_c94f | |||||
資源タイプ | conference object | |||||
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 |
Yajima, Kazuaki
× Yajima, Kazuaki× Iwaoka, Kazuki× Yasuda, Hiroshi× 矢島 千秋× 岩岡 和輝× 保田 浩志 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Mt. Fuji is located approximately 300 km southwest of the Fukushima Daiichi Nuclear Power Stations. We performed the radiation survey along two main Mt. Fuji's trails from 4:30 to 18:30 on July 9, 2011. We climbed the Yoshida trail from the Fuji-Subaru Line fifth station (2,300 m in altitude) to the Yoshida-Subashiri top (3,720 m in altitude) and descended the Subashiri trail from the Yoshida-Subashiri top to the Subashiri new fifth station (2,000 m in altitude) on foot while measuring gamma rays. The dose rate 1 m above ground measured using a NaI (Tl) scintillation survey meter were within the range from 0.03 µSv/h to 0.05 µSv/h throughout our measuring trip. We used a NaI (Tl) scintillation spectrometer for gamma-ray pulse height spectra measurement. The gamma-ray pulse height spectra obtained at least 2,500 m in altitude on both of the Yoshida and Subashiri trail showed the peaks of two radioactive cesium isotopes (Cs-134 and Cs-137) and natural radioactive nuclides. It was confirmed that a radioactive plume released from the Fukushima Daiichi Nuclear Power Stations had arrived at least 2,400m above sea level of Mt. Fuji. | |||||
会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | International Symposium on Environmental monitoring and dose estimation of residents after accident of TEPCO's Fukushima Daiichi Nuclear Power Stations | |||||
発表年月日 | ||||||
日付 | 2012-12-14 | |||||
日付タイプ | Issued |