NIRS external dose estimation system for Fukushima residents after the Fukushima Dai-ichi NPP accident

Keiichi Akahane(National Institute of Japanese Literature), Shunsuke Yonai(National Institutes for Quantum Science and Technology), S. Fukuda(National Institutes for Quantum Science and Technology), Nobuyuki Miyahara(National Institutes for Quantum Science and Technology), Hiroshi Yasuda(National Institutes for Quantum Science and Technology), Kazuki Iwaoka(National Institutes for Quantum Science and Technology), Masaki Matsumoto(National Institutes for Quantum Science and Technology), Akifumi Fukumura(National Institutes for Quantum Science and Technology), Makoto Akashi(National Institutes for Quantum Science and Technology)
Scientific Reports
April 17, 2013
10.1038/srep01670
Cited by 78Open Access
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Abstract

The great east Japan earthquake and subsequent tsunamis caused Fukushima Dai-ichi Nuclear Power Plant (NPP) accident. National Institute of Radiological Sciences (NIRS) developed the external dose estimation system for Fukushima residents. The system is being used in the Fukushima health management survey. The doses can be obtained by superimposing the behavior data of the residents on the dose rate maps. For grasping the doses, 18 evacuation patterns of the residents were assumed by considering the actual evacuation information before using the survey data. The doses of the residents from the deliberate evacuation area were relatively higher than those from the area within 20 km radius. The estimated doses varied from around 1 to 6 mSv for the residents evacuated from the representative places in the deliberate evacuation area. The maximum dose in 18 evacuation patterns was estimated to be 19 mSv.

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