Comprehensive data on ionising radiation from Fukushima Daiichi nuclear power plant in the town of Miharu, Fukushima prefecture: The Misho Project

T. Koike, Y. Suzuki, S. Genyu, I. Kobayashi, H. Komori, H. Otsu, H. Sakuma, K. Sakuma, E. M. Sarausad, K. Shimada, T. Shinozuka, H. Tamura, K. Tsukada, M. Ukai, T. O. Yamamoto

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Data related to radioactivity released from the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident on 15 March 2011 gathered by residents of Miharu, Fukushima Prefecture, and by Tohoku University are presented. These data sets consist of (1) the earliest radiation monitoring by a Geiger counter in the town, (2) ratios of radioactivity between 132Te and 137Cs for a wide area between Fukushima and Tokyo, (3) radiation measurement of soil samples collected from 18 school grounds, and (4) external radiation exposure of 1400 students using OSL badges. By combining and analysing these various data sets, a curve for the cumulative total external exposure as a function of time, with 16 : 00 h on 15 March 2011 being time zero, is obtained. The average cumulative external dosage is estimated to be 10 mSv (σ = 4.2 mSv) over 10 years. In addition, the initiative that the residents of Miharu took in response to the FDNPP accident, which became known as The Misho Project (MP), is documented; in particular, the time at which the municipality instructed the immediate ingestion of iodine tablets by those under the age of 40, 13 : 00 h on 15 March 2011, is assessed.

本文言語English
ページ(範囲)675-698
ページ数24
ジャーナルJournal of Radiological Protection
34
3
DOI
出版ステータスPublished - 2014 9

ASJC Scopus subject areas

  • 廃棄物管理と処理
  • 公衆衛生学、環境および労働衛生

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