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8 - Dispersion Modelling of Radioactive Materials

from Part II - Development and Future Issues for the Infrastructure of Disaster Prevention

Published online by Cambridge University Press:  16 August 2019

Edited by
Teruyuki Nakajima ,
Toshimasa Ohara ,
Mitsuo Uematsu  and
Yuichi Onda
Teruyuki Nakajima
Affiliation:
University of Tokyo
Toshimasa Ohara
Affiliation:
National Institute for Environmental Studies, Japan
Mitsuo Uematsu
Affiliation:
University of Tokyo
Yuichi Onda
Affiliation:
University of Tsukuba, Japan
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Summary

SPEEDI, the System for Prediction of Environmental Emergency Dose Information, is an emergency response system to predict the atmospheric dispersion of radioactive materials and radiological doses in the case of an atmospheric release of substantial radioactive materials from nuclear facilities in Japan. It has been operated by the Nuclear Safety Technology Center on consignment from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) and local governments (Suda, 2006). After the accident at the Fukushima Daiichi Nuclear Power Station (FDNPS) of the Tokyo Electric Power Company (TEPCO) due to the Great East Japan Earthquake on 11 March 2011, which caused a substantial discharge of radioactive materials into the atmospheric and oceanic environments, SPEEDI became recognised by not only the nuclear emergency community but also the public at home and abroad, and the issue of its utilisation was discussed by the government, the Diet and independent accident investigations (Independent Investigation Commission on the Fukushima Nuclear Accident, 2012; Investigation Committee on the Accident at Fukushima Nuclear Power Stations of Tokyo Electric Power Company, 2012; National Diet of Japan Fukushima Nuclear Accident Independent Investigation Commission, 2012).

Type
Chapter
Information
Environmental Contamination from the Fukushima Nuclear Disaster
Dispersion, Monitoring, Mitigation and Lessons Learned
 , pp. 230 - 242
Publisher: Cambridge University Press
Print publication year: 2019

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References

Council of Ministers on Nuclear Energy (2016). Way of thinking for the enhancement of nuclear emergency countermeasures: response to requests from the Association of Prefectural Governors based on the lessons learned from Fukushima, http://bit.ly/2BVt5Gw (accessed 19 September 2018) (in Japanese).Google Scholar
Imai, K., Chino, M., Ishikawa, H., et al. (1985). SPEEDI: A Computer Code System for the Real-Time Prediction of Radiation Dose to the Public due to an Accidental Release. Tokyo: Japan Atomic Energy Research Institute.Google Scholar
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