| Budget Amount *help |
¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2015: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
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| Outline of Final Research Achievements |
Based on the decontamination data of air dose rate and surface concentration of radioactive cesium, relationship between the decontamination effect and pre-decontamination radiation dose, monitoring term of pre-decontamination, and types of vegetation in forests and city areas are analyzed considering effects of the background radiation in soil surface and the weathering after decontamination. By reference to this analyzation, we tried to develop a method to establish optimal decontamination plans for residents return to evacuation order areas surrounding the Fukushima No.1 nuclear power plant from the perspective of both ways of decontamination and costs. Achievement of this study can supply a useful knowledge for the future decontamination policies.
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