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Radiocarbon in 9th to 5th Century BC Tree-Ring Samples from the Ouban 1 Archaeological Site, Hiroshima, Japan

Published online by Cambridge University Press:  18 July 2016

Hiromasa Ozaki ,
Mineo Imamura ,
Hiroyuki Matsuzaki  and
Takumi Mitsutani
Hiromasa Ozaki*
Affiliation:
National Museum of Japanese History, The National Institutes for Humanities, 117 Jonai-cho, Sakura-shi, Chiba 285-8502, Japan
Mineo Imamura
Affiliation:
National Museum of Japanese History, The National Institutes for Humanities, 117 Jonai-cho, Sakura-shi, Chiba 285-8502, Japan
Hiroyuki Matsuzaki
Affiliation:
Department of Nuclear Engineering and Management, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo 113-0032, Japan
Takumi Mitsutani
Affiliation:
National Research Institute for Cultural Properties, Nara, 2-9-1 Nijo-cho, Nara-shi, Nara 630-8577, Japan
*
Corresponding author. Email: ozaki@rekihaku.ac.jp
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Abstract

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In order to investigate the regional atmospheric radiocarbon offset, accelerator mass spectrometry (AMS) 14C measurements were made on 5-yr increments of a Japanese wood sample dendrochronologically dated to 820–436 BC. The 14C data from the Japanese tree-ring samples were compared with the IntCal04 calibration curve (Reimer et al. 2004). In most parts, the differences between IntCal04 and 14C dates in the Japanese tree-ring samples were within experimental statistical errors. At around 680 BC, however, significant differences of up to 100 14C yr were observed. These differences may indicate either regional offsets in Japan or the short-term fluctuation of a subdecadal timescale in atmospheric 14C variations.

Type
Articles
Information
Radiocarbon , Volume 49 , Issue 2 , 2007 , pp. 473 - 479
Copyright
Copyright © 2007 by the Arizona Board of Regents on behalf of the University of Arizona 

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