Tritium Concentration in River Water at Toki Area
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概要
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<I>Tritium concentrations in river water have been measured at Toki area (Toki-shi, Gifu-ken, Japan) since 1982. The tritium concentrations decreased exponentially, and their apparent half-lives were distributed between 2.3 and 7.2 year. It is suggested that the time during which rainwater changes to groundwater and is discharged again as river water is different at spot by spot. As a result of comparison with yearly variations of flow rate, a inverse correlation was recognized between tritium concentration and flow rate in some spots.</I>
- 社団法人 日本アイソトープ協会の論文
社団法人 日本アイソトープ協会 | 論文
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