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  1. F300 宇宙地球環境研究所
  2. F300b 紀要
  3. 名古屋大学年代測定研究
  4. 1

日本産樹木年輪14C年代データのIntCal13との比較と活用

https://doi.org/10.18999/nagubc.1.108
https://doi.org/10.18999/nagubc.1.108
d87a030f-1779-4619-a097-310701723cc9
名前 / ファイル ライセンス アクション
108-114_2016.pdf 108-114_2016.pdf (1.4 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2018-08-17
タイトル
タイトル 日本産樹木年輪14C年代データのIntCal13との比較と活用
言語 ja
その他のタイトル
その他のタイトル Comparison of 14C Ages from Japanese Tree Ring Samples with IntCal13 and Their Applications
言語 en
著者 中村, 俊夫

× 中村, 俊夫

WEKO 78958

ja 中村, 俊夫

Search repository
増田, 公明

× 増田, 公明

WEKO 78959

ja 増田, 公明

Search repository
三宅, 芙沙

× 三宅, 芙沙

WEKO 78960

ja 三宅, 芙沙

Search repository
箱崎, 真隆

× 箱崎, 真隆

WEKO 78961

ja 箱崎, 真隆

Search repository
Nakamura, Toshio

× Nakamura, Toshio

WEKO 78962

en Nakamura, Toshio

Search repository
Masuda, Kimiaki

× Masuda, Kimiaki

WEKO 78963

en Masuda, Kimiaki

Search repository
Miyake, Fusa

× Miyake, Fusa

WEKO 78964

en Miyake, Fusa

Search repository
Hakozaki, Masataka

× Hakozaki, Masataka

WEKO 78965

en Hakozaki, Masataka

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 To investigate the 14C concentration of atmospheric CO2 over the past few millennia in Japan, we measured the 14C age of annual rings from several Japanese trees with calendar dates ranging from ca. 2000 yr old to present, and we compared the tree-ring 14C age with the corresponding 14C age of IntCal13. It was revealed that the 14C age of the annual rings of Japanese trees are not consistent with IntCal13 datasets in some instances. Many cases of 14C age of tree rings are older than those of IntCal13, but younger than those of SHCal13 datasets. The average shift in Nagoya 14C age from IntCal13 datasets and one-sigma errors were obtained to be +26±36, +24±30, +16±22, +5±21, and +14±22 14C yr for the intervals AD72-382, AD589-1072, AD1413-1615, AD1617-1739, and AD1790-1860, respectively. In addition, a wood sample collected from northern end of the mainland of Japan also showed a value of +35±22 14C yr shifted older than IntCal13. We also analyzed 14C age data obtained for trees grown up in Korea, and yielded the values of +17±35 and +6±35 14C yr for the intervals AD1250-1650 and AD 1650-1850, respectively. The Japanese archipelago is situated near the boundary of the inter-tropical convergence zone in summer, and the 14C concentration of atmospheric CO2 over Japan can be influenced by air masses of the Southern Hemisphere with lower 14C concentrations during periods of higher solar activity and heightened East Asian summer monsoons. Korean Peninsula is also influenced by air masses of the Southern Hemisphere. Present results suggest that the southeast end of Eurasian Continent is located in the critical zone from where it is difficult to calibrate the 14C age of tree ring samples using existing calibration datasets. At the moment, it should be noted that calibration of the 14C dates of Japanese samples with IntCal13 induces additional systematic shifts of calibrated ages toward older ages by about 10-30 yr compared with the sample optimum calendar ages.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 本研究の遂行において,科学研究費補助金基盤研究(B)代表者:中村俊夫,課題番号:26284120を用いた.また,本研究の一部は,文科省の共同利用・共同研究拠点プログラムとして行われたものである.
言語 ja
内容記述タイプ Other
出版者
言語 ja
出版者 名古屋大学宇宙地球環境研究所年代測定研究部
言語
言語 jpn
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
ID登録
ID登録 10.18999/nagubc.1.108
ID登録タイプ JaLC
書誌情報 ja : 名古屋大学年代測定研究

巻 1, p. 108-114, 発行日 2017-03-31
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