Journal of Conservation Science (보존과학회지)

The Korean Society Of Conservation Science For Cultural Heritage (한국문화재보존과학회)
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Radiocarbon Dating of a Wooden Board from Jeongsusa Temple Using Wiggle Matching of Quinquennial Tree-Ring Samples

5년 간격 연륜의 위글매치를 이용한 정수사 법당 목부재의 방사성탄소연대 측정

  • Nam, Tae-Kwang (National Research Institute of Maritime Cultural Heritage) ;
  • Park, Jung-Hun (Korea Institute of Geoscience and Mineral Resources) ;
  • Hong, Wan (Korea Institute of Geoscience and Mineral Resources) ;
  • Park, Won-Kyu (Department of Wood and Paper Science, Chungbuk National University)
  • 남태광 (국립해양문화재연구소 수중발굴과) ;
  • 박중헌 (한국지질자원연구원) ;
  • 홍완 (한국지질자원연구원) ;
  • 박원규 (충북대학교 목재.종이과학과)
  • Received : 2011.12.08
  • Accepted : 2012.03.07
  • Published : 2012.03.20
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Abstract

This paper reports the application of radiocarbon wiggle-matching for Korean wooden artifacts such as buildings and Buddhist statues for precise dating. Nine quinquennial (every five-year) samples of 41 years (AD 1250-1290) for AMS radiocarbon measurements were prepared from a wooden board used for the Main Hall at Jeongsusa (temple) in Kangwhado, Korea, which was dendrochronologically dated. The 95.4% confidence interval of radiocarbon dating prior to wiggle matching was 113.3 year in average. When wiggle-matching technique was applied, it became 20 years, 5.7 times smaller than that produced without wiggle matching. The results indicated that wiggle-matching technique using the calibration curve for northern hemisphere (IntCal04) can produce precise dates for Korean wooden artifacts, at least, for the $13^{th}$ century.

연륜연대로 부여된 강화 정수사 법당 목부재(풍판)의 연대를 위글매치를 이용한 방사성탄소연대 측정결과와 비교하였다. 41년(AD 1250-1290) 연륜구간에서 1250년부터 5년 간격으로 9개 연륜에 대한 방사성탄소연대를 측정하였다. 개별 연륜에 대한 방사성탄소연대의 95.4% 신뢰구간은 113.3년(평균)에 달하였는데, 위글매치 후에는 20년으로 줄어들었다. 각 연륜의 방사성탄소연대 신뢰구간이 연륜연대값을 포함하여 연대의 정확성이 입증되었다. 이 결과는 위글매치를 이용한 방사성탄소연대 측정법이 우리나라 목재문화재의 연대측정에 효율적으로 쓰일 수 있음을 제시하고 있다.

Keywords

References

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