2020
DOI: 10.1016/j.jenvrad.2020.106397
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Distribution map of natural gamma-ray dose rates for studies of the additional exposure dose after the Fukushima Dai-ichi Nuclear Power Station accident

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Cited by 15 publications
(9 citation statements)
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“…The air dose rates of the national project included the background dose rates, which were derived from natural radionuclides. Therefore, the background dose rate should be distinguished from these air dose rates to evaluate the severity of the FDNPP accident [14]. To this end, absorbed dose rate data in a 250 × 250 m 2 mesh were evaluated using airborne survey data obtained from the Japan Atomic Energy Agency homepage [15] and used as the background dose rate data (Fig.…”
Section: Comparison Of the Survey Methodsmentioning
confidence: 99%
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“…The air dose rates of the national project included the background dose rates, which were derived from natural radionuclides. Therefore, the background dose rate should be distinguished from these air dose rates to evaluate the severity of the FDNPP accident [14]. To this end, absorbed dose rate data in a 250 × 250 m 2 mesh were evaluated using airborne survey data obtained from the Japan Atomic Energy Agency homepage [15] and used as the background dose rate data (Fig.…”
Section: Comparison Of the Survey Methodsmentioning
confidence: 99%
“…https://doi.org/10.14407/jrpr.2021.00171 JRPR pare the ground-based data acquired using a portable Ge detector [14].…”
Section: Comparison Of the Survey Methodsmentioning
confidence: 99%
“…The ambient dose equivalent rate H*(10) (nSv•h −1 ) was reported by Sanada et al to be equivalent to the absorbed dose rate in air (nGy•h −1 ) (Sanada et al, 2020). In this research, H*(10) after deducting the contribution of cosmic rays is considered as the absorbed dose rate in air caused by terrestrial components, while the contribution of other gamma radiation sources in the air is considered negligible (Jónás et al, 2018;UNSCEAR, 2000).…”
Section: Field Measurement Of Ambient Dose Equivalent Rate H*(10)mentioning
confidence: 99%
“…Long term measurements can assure the public, monitor hazard levels reduction, and give insights about future preparations like decontamination [18]. Fortunately, the observations show that the amount of air doses has been reduced significantly in residential areas compared to the forests and remote areas, owing to the radioactive decay of radiocesium, decontamination processes, the activity of the inhabitants, and the penetration into the deeper depths of the soil [19,20]. Nevertheless, this situation can be distinct for residential houses, as penetration and deposition are probable due to radionuclides through vents, doors and windows [21,22].…”
Section: Jrncmentioning
confidence: 99%