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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

Carbon isotope variation within trunks of Japanese cedars from Yakushima Island, southern Japan

Hiroyuki Kitagawa, Eiji Matsumoto
Geochemical Journal, Vol. 29, No. 2, P. 149-153, 1995


Three-dimensional maps of stable carbon isotope ratio (δ13C) are presented for wood trunks of Japanese cedars (Cryptomeria japonica) from Yakushima Island, southern Japan. The variations in δ13C within the wood trunks of both young cedars and a giant Japanese cedar with 1846 annual rings are very small (±0.1‰ on average), suggesting that fossil wood and small wood fragments collected from archeological sites and drill-cores of sediments could be applied to the studies of paleo-environment.

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