Establishing tree ring δ18O chronologies for principle tree species (T. Cuspidata, P. Koraiensis, A. Koreana, Q. Mongolica) at subalpine zone in Mt. Jiri national park and their correlations with the corresponding climate

Jeong Wook Seo, Hyun Min Jeong, Masaki Sano, En Bi Choi, Jun Hui Park, Kwang Hee Lee, Yo Jung Kim, Hong Chul Park

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Abstract

50-year tree-ring δ18O chronologies (1966∼2015) for principle conifer tree species (Taxus cuspidata, Pinus koraiensis, Abies koreana) and Quercus mongolica at subalpine zone in Mt. Jiri were established. The establishing of tree-ring δ18O chronologies for each tree species were fulfilled using four trees, which showed the good result in cross-dating. In the comparisons between tree-ring δ18O chronologies within the same tree species all tree species showed reliable results statistically (p < 0.001), and they also showed EPS higher than 0.85. In addition to, the reliable correlations (p < 0.001) were verified between tree-ring δ18O chronologies of four tree species, as well. In the response function analysis in order to investigate the relationships between tree-ring δ18O chronologies and corresponding climatic factors, i.e., monthly precipitation and mean temperature, T. cuspidata showed a negative correlation with May precipitation (p < 0.05) and A. koreana showed a negative correlation with April precipitation (p < 0.05). If long tree-ring δ18O chronologies of T. cuspidata and A. koreana will be established, it will be possible to reconstruct April and May precipitation in the past when we have no the meteorological data.

Original languageEnglish
Pages (from-to)661-670
Number of pages10
JournalJournal of the Korean Wood Science and Technology
Volume45
Issue number5
DOIs
Publication statusPublished - 2017
Externally publishedYes

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Keywords

  • Climate proxy
  • Subalpine trees
  • Tree ring
  • δO

ASJC Scopus subject areas

  • Materials Science (miscellaneous)
  • Industrial and Manufacturing Engineering

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