Abstract
Tritium concentrations in rain collected at Fukuoka, Japan from 1982 have been measured. From May 1996 tritium concentrations and chemical species have been analyzed for each rain to examine their relationship. Recent rain was concluded not to be affected by tritium from atmospheric nuclear tests. Tritium concentrations showed a seasonal pattern, high during winter and spring and low during summer and fall and had positive correlations with non-sea-salt SO4 −2, indicating a long distance transport of acidic materials as tritium from continental China.
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Hayashi, Y., Momoshima, N., Maeda, Y. et al. Relation between tritium concentration and chemical composition in rain at Fukuoka. J Radioanal Nucl Chem 239, 517–522 (1999). https://doi.org/10.1007/BF02349061
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DOI: https://doi.org/10.1007/BF02349061