Climate of the Past
Climate of the Past
CP
Articles | Volume 21, issue 1
Articles | Volume 21, issue 1
https://doi.org/10.5194/cp-21-133-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-21-133-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 21, issue 1
Research article
 | 
21 Jan 2025
Research article |  | 21 Jan 2025

Reconstruction of drought and long-rain chronologies since the 17th century in central Japan using intra-annual tree-ring oxygen isotope ratios and documentary records

Hiroto Iizuka, Kenjiro Sho, Zhen Li, Masaki Sano, Yoshikazu Kato, and Takeshi Nakatsuka

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Latest update: 27 Oct 2025
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Short summary
In general, it is not easy to examine unseasonable weather years that have affected human history using a single proxy. In this study, we propose a new method to quantitatively extract drought/long-rainfall events over the past 400 years by integrating tree-ring cellulose oxygen isotope ratios and historical documentary records. The results can be utilized to investigate the relationship between climate and long human history.

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