[2A10-14] Fukushima Daiichi Nuclear Power Plant Accident: Environmental Radiation and Radiation Dose 1

Sun. Mar 27, 2016 2:45 PM - 4:05 PM Room A (Lecture Rooms B B102)

Chair: Michio Aoyama (Fukushima Univ.)

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2:45 PM - 3:00 PM

[2A10] Estimation of air radioactivity concentrations in Ibaraki Prefecture from NaI pulse height distribution measured at monitoring stations

(1)Evaluation of estimation accuracy and estimation of Xenon-133 concentration

＊Yuta Terasaka¹, Jun Hirouchi¹, Shigekazu Hirao², Jun Moriizumi¹, Hiromi Yamazawa¹, Hiroki Sugiura¹, Yu Kuwahara³ (1.Nagoya University, 2.Fukushima University, 3.Ibaraki Prefectural Environmental Radiation Monitoring Center)

3:00 PM - 3:15 PM

[2A11] Estimation of air radioactivity concentrations in Ibaraki Prefecture from NaI pulse height distribution measured at monitoring stations

(2)Analysis of plume movements

＊Hiromi Yamazawa¹, Yuta Terasaka¹, Jun Hirouchi¹, Shigekazu Hirao², Jun Moriizumi¹, Yu Kuwahara³ (1.Nagoya Univ., 2.Fukushima Univ., 3.Ibaraki Pref. Envir. Radiation Monitoring Center)

3:15 PM - 3:30 PM

[2A12] Estimation of air radioactivity concentrations in Ibaraki Prefecture from NaI pulse height distribution measured at monitoring stations

Validation of atmospheric dispersion calculations by using estimated air concentrations

＊Hiroki Sugiura¹, Hiromi Yamazawa¹, Yuta Terasaka¹, Shigekazu Hirao², Hiroaki Adachi¹, Jun Moriizumi¹, Jun Hirouchi^1,3, Yu Kuwahara⁴ (1.Nagoya University, 2.Fukushima University, 3.JAEA, 4.Ibaraki Prefectural Environmental Radiation Monitoring Center)

3:30 PM - 3:45 PM

[2A13] Environmental assessment of sea water inside the harbor in Fukushima Daiichi Nuclear Power Plant

(1)Analysis of monitoring data and radionuclide concentration trend

＊Masahiko Machida¹, Susumu Yamada¹, Masahisa Watanabe¹ (1.Japan Atomic Energy Agency)

3:45 PM - 4:00 PM

[2A14] Environmental assessment of sea water inside the harbor in Fukushima Daiichi Nuclear Power Plant

(2)Flow analysis for harbor area by 3D simulation

＊Susumu Yamada¹, Masahiko Machida¹, Masahisa Watanabe¹ (1.Japan Atomic Energy Agency)

Time reserved for Chair (4:00 PM - 4:05 PM)

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