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Marine Radiocarbon Reservoir Effect in the Western North Pacific Observed in Archaeological Fauna

Published online by Cambridge University Press:  18 July 2016

Minoru Yoneda*
Affiliation:
National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan
Masashi Hirota
Affiliation:
Environmental Research Center, Ltd., Saiki 210-4, Tsukuba, Ibaraki 305-0028, Japan
Masao Uchida
Affiliation:
Japan Marine Science and Technology Center, Natsushima-cho 2-15, Yokosuka 237-0061, Japan
Kazuhiro Uzawa
Affiliation:
Rikkyo University, Nishi-Ikebukuro 3-34-1, Toshima, Tokyo 171-0021, Japan
Atsushi Tanaka
Affiliation:
National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan
Yasuyuki Shibata
Affiliation:
National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan
Masatoshi Morita
Affiliation:
National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan
*
Corresponding author. E-mail: myoneda@nies.go.jp.
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Abstract

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Faunal remains originating from terrestrial and marine mammals, and belonging to the same archaeological deposits were compared to evaluate the marine radiocarbon reservoir ages around the Hokkaido island, Japan. From five shell middens of different ages from the Jomon period (4900 BP) to the Ainu cultural period (800 BP), 107 animal bone samples were selected for radiocarbon measurements. The apparent age differences between Japanese deer and northern fur seal showed the clear effect of deep-water upwelling in this region. Our data showed relatively stable age differences from 4500 BP to 800 BP, with an estimated ΔR values around 380 14C yr. Results are consistent with previous estimation based on simulation models and oceanographic properties.

Type
II. Getting More from the Data
Copyright
Copyright © The Arizona Board of Regents on behalf of the University of Arizona 

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