Spatial distributions of atmospheric concentrations of radionuclides on 15 March 2011 discharged by the Fukushima Dai-Ichi Nuclear Power Plant Accident estimated from NaI(Tl) pulse height distributions measured in Ibaraki Prefecture

References

• Ohkura T, Oishi T, Taki M, et al. Emergency monitoring of environmental radiation and atmospheric radionuclides at Nuclear Science Research Institute, JAEA following the accident of Fukushima Daiichi Nuclear Power Plant. Tokai-mura (Japan): Japan Atomic Energy Agency; 2012. ( JAEA-Data/Code 2012-010).
   Google Scholar
• Furuta S, Sumiya S, Watanabe H, et al. Results of the environmental radiation monitoring following the accident at the Fukushima Daiichi Nuclear Power Plant –Interim report (Ambient radiation dose rate, radioactivity concentration in the air and radioactivity concentration in the fallout)–. Tokai-mura (Japan): Japan Atomic Energy Agency; 2011. (JAEA-Review 2011-035) [in Japanese].
   Google Scholar
• Stohl A, Seibert P, Wotawa G, et al. Xenon-133 and caesium-137 releases into the atmosphere from the Fukushima Dai-ichi Nuclear Power Plant: determination of the source term, atmospheric dispersion, and deposition. Atmos Chem Phys. 2012;12:2313–2343.
   Web of Science ®Google Scholar
• Amano H, Akiyama M, Bi CL, et al. Radiation measurements in the Chiba metropolitan area and radiological aspects of fallout from the Fukushima Dai-ichi nuclear power plants accident. J Environ Radioact. 2012;111:42–52.
   PubMed Web of Science ®Google Scholar
• Kim E, Kurihara O, Kunishima N, et al. Early intake of radiocesium by residents living near the TEPCO Fukushima Dai-Ichi nuclear power plant after the accident. Part 1: internal doses based on whole- body measurements by NIRS. Health Phys. 2016;111:451–464.
   PubMed Web of Science ®Google Scholar
• Kunishima N, Kurihara O, Kim E, et al. Early intake of radiocesium by residents living near the TEPCO Fukushima Dai-Ichi Nuclear Power Plant after the accident. Part 2: relationship between internal dose and evacuation behavior in individuals. Health Phys. 2017;112:512–525.
   PubMed Web of Science ®Google Scholar
• Kim E, Tani K, Kunishima N, et al. Estimation of early internal doses to Fukushima residents after the nuclear disaster based on the atmospheric dispersion simulation. Radiat Prot Dosimetry. 2016;171:398–404.
   PubMed Web of Science ®Google Scholar
• Kurihara O, Kim E, Kunishima N, et al. Development of a tool for calculating early internal doses in the Fukushima Daiichi nuclear power plant accident based on atmospheric dispersion simulation. ICRS-13 & RPSD-2016, EPJ Web of Conferences; Paris, France; 2017;153:08008.
   Google Scholar
• Sato Y, Takigawa M, Sekiyama TT, et al. Model intercomparison of atmospheric 137Cs from the Fukushima Daiichi Nuclear Power Plant Accident: simulations based on identical input data. J Geophys Res Atmos. 2018;123:11748–11765.
   Web of Science ®Google Scholar
• Tsuruta H, Oura Y, Ebihara M, et al. First retrieval of hourly atmospheric radionuclides just after the Fukushima accident by analyzing filter-tapes of operational air pollution monitoring stations. Sci Rep. 2014;4:6717.
   PubMed Web of Science ®Google Scholar
• Oura Y, Ebihara M, Tsuruta H, et al. Determination of atmospheric radiocesium on filter tapes used at automated SPM monitoring stations for estimation of transport pathways of radionuclides from Fukushima Dai-Ichi Nuclear Power Plant. J Radioanal Nucl Chem. 2015;303:1555–1559.
   Web of Science ®Google Scholar
• Oura Y, Ebihara M, Tsuruta H, et al. A database of hourly atmospheric concentrations of radiocesium (134Cs and 137Cs) in suspended particulate matter collected in March 2011 at 99 air pollution monitoring Stations in Eastern Japan. J Nucl Radiochem Sci. 2015;15:1–12.
   Google Scholar
• Terasaka Y, Yamazawa H, Hirouchi J, et al. Air concentration estimation of radionuclides discharged from Fukushima Daiichi Nuclear Power Station using NaI(Tl) detector pulse height distribution measured in Ibaraki Prefecture. J Nucl Sci Technol. 2016;53:1919–1932.
   Web of Science ®Google Scholar
• Hirouchi J, Yamazawa H, Hirao S, et al. Estimation of surface anthropogenic radioactivity concentrations from NaI(Tl) pulse-height distribution observed at monitoring station. Radiat Prot Dosimetry. 2015;164:304–315.
   PubMed Web of Science ®Google Scholar
• Hirayama H, Kawasaki M, Matsumura H, et al. Estimation of I-131 concentration using time history of pulse height distribution at monitoring post and detector response for radionuclide in plume. Trans At Energy Soc Jpn. 2014;13:119–126. [in Japanese].
   Google Scholar
• Hirayama H, Matsumura H, Namito Y, et al. Estimation of time history of I-131 concentration in air using NaI(Tl) detector pulse height distribution at monitoring posts in Fukushima Prefecture. Trans At Energy Soc Jpn. 2015;14:1–11. [in Japanese].
   Google Scholar
• Tsuruta H, Oura Y, Ebihara M, et al. Spatio-temporal distribution of atmospheric radiocesium in Eastern Japan just after TEPCO Fukushima Daiichi Nuclear Power Plant Accident – analysis of used filter-tapes of SPM monitors in air quality monitoring stations –. Earozoru Kenkyu. 2017;32:224–254. [in Japanese].
   Google Scholar
• Tsuruta H, Oura Y, Ebihara M, et al. Time-series analysis of atmospheric radiocesium at two SPM monitoring sites near the Fukushima Daiichi Nuclear Power Plant just after the Fukushima accident on March 11, 2011. Geochem J. 2018;52:103–121.
   Web of Science ®Google Scholar
• Ibaraki Prefectural Government [Internet]. Japan: Ibaraki Prefecture; 2013 Mar 21 [cited 2019 Jun 17]. Available from: http://www.pref.ibaraki.jp/seikatsukankyo/gentai/anzen/nuclear/radiachion/mca.html [in Japanese].
   Google Scholar
• Hirayama H, Matsumura H, Namito Y, et al. Estimation of Xe-135, I-131, I-132, I-133 and Te-132 concentrations in plumes at monitoring posts in Fukushima Prefecture using pulse height distribution obtained from NaI(Tl) detector. Trans At Energy Soc Jpn. 2017;16:1–14. [in Japanese].
   Google Scholar
• Hirayama H, Namito Y, Bielajew AF, et al. The EGS5 code system. Tsukuba (Japan): High Energy Accelerator Research Organization (KEK), Stanford Linear Accelerator Center (SLAC); 2005. (KEK Report 2005-8, SLAC-R-730).
   Google Scholar
• Namito Y, Nakamura H, Toyoda A, et al. Transformation of a system consisting of plane isotropic source and unit sphere detector into a system consisting of point isotropic source and plane detector in Monte Carlo radiation transport calculation. J Nucl Sci Technol. 2012;49:167–172.
   Web of Science ®Google Scholar
• Casanovas R, Morant JJ, Salvadó M. Energy and resolution calibration of NaI(Tl) and LaBr3(Ce) scintillators and validation of an EGS5 Monte Carlo user code for efficiency calculations. Nucl Instr Meth Phys Res A. 2012;675:78–83.
   Web of Science ®Google Scholar