2013 Fiscal Year Final Research Report
Development of a new dendrochronological method using oxygen isotope ratios and its archaeological applications
| Project/Area Number |
23242047
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Archaeology
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| Research Institution | Research Institute for Humanity and Nature (2012-2013)
Nagoya University (2011) |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
ABE Osamu 名古屋大学, 大学院環境学研究科, 助教 (00293720)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 考古学一般 / 年輪年代法 / 酸素同位体比 / セルロース / 暦年代決定 |
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| Research Abstract |
Inter-annual variations in tree-ring cellulose oxygen isotope ratios are in principle dependent only on the two meteorological factors, precipitation isotope ratio and relative humidity, irrespective of differences in tree species. Based on this knowledge, we have established several millennia length of tree-ring cellulose oxygen isotope chronologies all over Japan by analyzing of various types and periods of tree ring samples obtained from wooden materials such as buried natural logs, excavated artefacts and old architectures made of long-living species like cypress and cedar in addition to their living old trees. The newly developed chronologies are now applicable to dating of various species of archaeological wooden materials and in fact have begun to be successfully applied to date many wooden materials excavated from many archaeological sites in various regions, such as Tokai, Hokuriku and Kinki districts since Jomon-era.
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Research Products
(21 results)
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[Presentation] Periodic amplification of multi-decadal hydroclimate variability at intervals of 400 years in central Japan as a trigger of major political regime shifts during last two millennia2014
Author(s)
T. Nakatsuka, M. Sano, K. Ohishi, C. Xu, M. Okabe, K. Ohnishi, K. Kawamura, M. Sakamoto, H. Ozaki, N. Nakao, M. Yokoyama, J. Akatsuka, N. Higami, T. Mitsutani
Organizer
9th International Conference on Dendrochronology
Place of Presentation
Melbourne Australia
Year and Date
2014-01-17
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