2020 Fall Meeting

Presentation information

Oral presentation

VII. Health Physics and Environmental Science » Health Physics and Environmental Science

[2A13-19] Environmental Radioactivity and Monitoring 3

Thu. Sep 17, 2020 4:15 PM - 6:15 PM Room A (Zoom room 1)

Chair:Masahiko Machida(JAEA)

5:00 PM - 5:15 PM

[2A16] Investigation on distribution of radioactive substances in Fukushima

(16)Evaluation of trapping efficiency of fine sediments in reservoir lakes by using suspended radiocaesium

*Keisuke Taniguchi1, Yuichi Onda1, Hirotsugu Arai2, Yukio Takeuchi2, Hirofumi Yoshita2, Kazuki Fujita2 (1. Univ. of Tsukuba, 2. Fukushima Prefectural Centre for Environmental Creation)

Keywords:TEPCO's Fukushima Daiichi Nuclear Power Plant accident, Cs-137, Dam, River

福島第一原子力発電所事故由来の放射性セシウムをトレーサーとして、ダム湖における細粒粒子の捕捉率の算出を試みた。のべ29か所の河川における137Csフラックスのデータを解析した結果、ダム湖による細粒粒子の捕捉率は、約70%と見積もられた。