Abstract
Tritium concentration of organically bound hydrogen has been measured during the 1941 to 1987 period using a cellulose fraction extracted from pine tree grown in Tatsunokuchi-machi, Ishikawa Prefecture, Japan. It was concluded that most of the tritium bound in cellulose was supplied from the mixture of underground water in the root zone of the pine tree. Underground water was strongly influenced by the precipitation and waters with different residence times.
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Yamada, Y., Yasuike, K., Itoh, M. et al. Temporal variation of tritium concentration in tree-ring cellulose. Journal of Radioanalytical and Nuclear Chemistry 261, 9–17 (2004). https://doi.org/10.1023/B:JRNC.0000030930.95562.17
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DOI: https://doi.org/10.1023/B:JRNC.0000030930.95562.17