Ocean and Polar Research

  • 제29권1호
  • /
  • Pages.1-8
  • /
  • 2007
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  • 1598-141X(pISSN)
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  • 2234-7313(eISSN)
한국해양과학기술원 (Korea Institute of Ocean Science & Technology)
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한반도 동남해와 남동해 표층수에서 알케논 수온계산식의 비교

Comparison of Alkenone Equations for Surface Water Temperature Estimation in the Eastern South Sea and Southern East Sea, Korea

  • 신경훈 (한양대학교 과학기술대학 해양환경과학과) ;
  • 윤숙희 (한양대학교 과학기술대학 해양환경과학과)
  • Shin, Kyung-Hoon (Department of Environmental Marine Science, College of Science & Technology Hanyang University) ;
  • Yoon, Suk-Hee (Department of Environmental Marine Science, College of Science & Technology Hanyang University)
  • 발행 : 2007.03.31
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초록

A series of long chain unsaturated ketone (alkenone) was identified in the particulate organic matter sampled from surface water of the eastern South Sea, Korea. The seawater temperature based on the $C_{37}$ alkenone was calculated by using several different equations of unsaturation index(${U^{K'}}_{37}$), compared with in situ CTD temperature. Among the previously reported equations, the equation(0.044T-0.204) which was proposed by Sawada et al.(1996) seems to be the most useful for the calculation of $C_{37}$ alkenone temperature, showing average $0.51^{\circ}C$ difference between ${U^{K'}}_{37}$ temperature and in situ CTD temperature. This result suggest that alkenone should be a useful molecular biomarker for reconstructing paleo-environmental change in the South and East Sea, Korea. However, it is required to establish more reliable equation for the calculation of $C_{37}$ alkenone temperature.

키워드

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