Cs in undisturbed soil after the Fukushima Dai-ichi Nuclear Power Plant accidentYoshimura, Kazuya 
; Ochi, Kotaro 
; Matsuda, Norihiro 
; Mikami, Satoshi ; Sanada, Yukihisa ; Saito, Kimiaki
The depth distribution of Cs is important not only for radiation protection, but also for radioecology and geoscience. This study aims to grasp the depth distribution of Cs in undisturbed areas over a wide area affected by the Fukushima Dai-ichi Nuclear Power Plant accident and its change with time. The relaxation mass depth (g cm
), a parameter representing the depth distribution, increase with time from 2011 to 2024, indicating the penetration of Cs under the ground. The increase was well represented by a power function (Root Mean Squared Error = 0.71 g cm).
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: | English |
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: | 8th International Conference on Environmental Radioactivity (ENVIRA 2025) |
Held date |
: | 2025/09 |
Location (city) |
: | Krak |
Location (country) |
: | Poland |
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Keywords |
: | Fukushima Daiichi Nuclear Power Station Accident; 福島第一原子力発電所事故; Depth distribution; Cesium-137 |
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