Journal of Forest and Environmental Science

  • 제34권2호
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  • Pages.153-161
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  • 2018
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  • 2288-9744(pISSN)
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  • 2288-9752(eISSN)
강원대학교 산림과학연구소 (Institute of Forest Science, kangwon National University)
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The Analysis of Correlation between BVOCs and Ozone at Taehwa Research Forest

  • Kim, Dan-Bi (Department of Climate and Air Quality Research, National Institute of Environmental Research) ;
  • Lee, Sang-Deok (Division of Forest Science, Kangwon National University) ;
  • Lee, Seung-Ha (Department of Climate and Air Quality Research, National Institute of Environmental Research) ;
  • Kim, Rhok-Ho (Department of Climate and Air Quality Research, National Institute of Environmental Research) ;
  • Lee, Yeong-Jae (Department of Climate and Air Quality Research, National Institute of Environmental Research) ;
  • Chae, Hee-Mun (Division of Forest Science, Kangwon National University)
  • 투고 : 2017.08.23
  • 심사 : 2018.02.20
  • 발행 : 2018.04.30
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초록

Ozone absorbs ultraviolet light which is harmful to life. However, the recent increase of ambient ozone level due to climate change is becoming the cause of stimulating human eyes, affecting respiratory system, and damaging crops. In this paper, a study was conducted at the Taehwa Research Forest (TRF) of Seoul National University with the purpose of analyzing the characteristics of forest air chemistry based on the measurement of BVOCs emitted from forests and investigating the correlation of BVOCs with ozone generation. The results showed that levels of isoprene and MVK (Methyl Vinyl Keton)+MACR (Methacrolein) were high in summer, but level of monoterpene was high in spring. Ozone level was high from the middle of May to the middle of June, which was before the rainy season. Comparison of the correlation between ozone and isoprene during the measurement period at the TRF showing limited NOx showed that the $R^2$ was correlated with a low value of about 0.4. However, when the isoprene was actively produced from 6:00 AM to 6:00 PM, correlation analysis showed that $R^2$ was about 0.9, while monoterpene started to increase in the afternoon, and decreased level of ozone at night. Correlation analysis showed negative correlation. Forests have two characteristics: not only the formation of ozone but also the decomposition of ozone.

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참고문헌

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