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Determination of the transfer factor for Cs-137 for forest berries
MACUROVÁ, Michaela
The diploma thesis was prepared on the topic of determination of the transfer factor for Cs-137 for forest berries. Despite the fact that 35 years have passed since the accident at the Chernobyl power plant, soils and subsequently also forest berries are still contaminated with Cs-137. The aim of the work was to determine the transfer factor for Cs-137 on the basis of measuring the activity of Cs-137 in forest soils and in samples of forest berries. Furthermore, compare the results with the values published in the literature and published in the MonRaS database. To this end, a research question was set: "Are the results of the calculated transfer factors for forest berries comparable to the values published in the literature". In order to achieve the set goals and answer the research question, a practical research was carried out, during which samples of blueberry fruits and soil samples in their subsoil were taken from 10 localities, according to the established methodology. A total of 60 samples were taken. Subsequently, the samples were measured using gamma spectrometric analysis at The State Office for Nuclear Safety in České Budějovice. Graphs were created from the measured values and then compared according to the criteria to meet the set goals. Transfer factors for wild berries were determined. The objectives of the work were fulfilled and the research question was confirmed, which means that the results of the calculated transfer factors for forest fruits are comparable with the values published in the literature. The research carried out in this diploma thesis can serve as another part of the ongoing monitoring of the contamination of our territory by the radiation fallout from the Chernobyl accident. At the same time, it can be useful in the selection of sampling sites for further research or serve as study material for students of the study program of population protection and related fields.
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Nuclear tests and their impact on human health
MACUROVÁ, Michaela
This dissertation was composed to explore nuclear tests and their impacts on human health. The problematics involved with nuclear testing in conjunction with the situation in North Korea are still relevant today. The aim of the thesis was to determine the level of knowledge of the Czech South Bohemian population regarding nuclear weapon testing, and their effects on the human body. The population was divided into two categories; people under 40, and over 40 years of age. The hypotheses of this study are: "Over 2/3 of the respondents in selected localities of the South Bohemian Region will have more than 50 % of correct answers in the questionnaire on nuclear weapons testing and their effects on the human body," and "Respondents older than 40 years will have significantly higher knowledge of nuclear weapons testing and their effects on the human body than respondents younger than age of 40 years." In order to achieve the set aims and verify the hypotheses, a questionnaire was carried out, and the results were then evaluated using descriptive and mathematical statistics. The questionnaire consisted of 13 questions, and in total 100 respondents participated. The results seen from the questionnaire support the first hypothesis mentioned above. The second hypothesis was disproved. Within the framework of this dissertation, an overview of the populations level of knowledge regarding nuclear weapons testing and their effects on human organisms was illustrated for the South Bohemian Region. This dissertation could serve as study material for students of the protection of population degree programme and other related degrees.
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