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Emergency and current exposure situation in residential areas of Fukushima prefecture - aspects of communication of low dose risks
ŠÁROVÁ, Romana
The diploma thesis examines the post-accident and current exposure situations in residential areas of the Fukushima prefecture and discusses certain aspects on communication concerning the risks of low doses. The evaluation was based on research and collection of information and data from printed and electronic resources. The results show the sequence of steps carried out by the Fukushima prefecture and IAEA and the degree to which they were successful. The aim of the diploma thesis is to offer a clear comparison of the monitoring of the post-accident situation in specific areas of the Fukushima prefecture and the situation achieved after a comprehensive decontamination and remediation of the environment. We compared the measured values of the current radiation situation at the Fukushima prefecture with values in the Czech Republic, available thanks to the MONRAS application. The thesis also examines how the authorities communicated with the people of Fukushima before the evacuation and in the period after the evacuation when the habitable part was decontaminated and the government sought (and still seeks) to return people to these areas. I also explored the approach to the optimisation of radiation protection in Fukushima, how this principle can be interpreted in the Czech Republic and how to contribute to sufficient awareness of the population in terms of a general understanding of the limits and optimisation of radiation protection in case of a nuclear accident. For this purpose, an informational brochure was created using the Canva Pro online tool. This brochure represents the practical output of the diploma thesis. The decontamination efforts can be considered successful, given that the measured content of caesium in the environment has been radically lowered; one negative consequence was the creation of a large amount of radioactive waste. The air dose rate is comparable to general global background radiation. The residents therefore don't need to be afraid to return to their homes.

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