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Tritium in a Pine Forest Ecosystem: Relation between Fresh Pine Needles, Organic Materials on a Forest Floor and Atmosphere

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Abstract

Tritium concentrations were analyzed in organic and water fractions of fresh pine needles, dead and degraded pine needles accumulating on a pine forest floor to examine tritium cycle in a forest ecosystem. Tritium concentration was higher in the organic fraction of dead and degraded pine needles compared to others, suggesting two tritium sources. Rain is responsible for water fractions in the samples, while atmospheric hydrogen and methane are speculated to be responsible for high tritium level in the organic fraction of dead and degraded pine needles.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashiku, Fukuoka, 812-8581, Japan

    N. Momoshima

  2. Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashiku, Fukuoka, 812-8581, Japan

    H. Kakiuchi & Y. Maeda

  3. Department of Nuclear Engineering, Faculty of Engineering, Kyushu University, Hakozaki, Higashiku, Fukuoka, 812-8581, Japan

    T. Okai

  4. Department of Radioecology, Institute for Environmental Sciences, 1-7 Ienomae, Obuchi, Rokkasho Village, Aomori, 039-32, Japan

    S. Hisamatsu

Authors
  1. N. Momoshima
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  2. H. Kakiuchi
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  3. T. Okai
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  4. S. Hisamatsu
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  5. Y. Maeda
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Momoshima, N., Kakiuchi, H., Okai, T. et al. Tritium in a Pine Forest Ecosystem: Relation between Fresh Pine Needles, Organic Materials on a Forest Floor and Atmosphere. Journal of Radioanalytical and Nuclear Chemistry 243, 479–482 (2000). https://doi.org/10.1023/A:1016050803314

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  • DOI: https://doi.org/10.1023/A:1016050803314

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