한국환경과학회지 (Journal of Environmental Science International)

  • 제23권3호
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  • Pages.399-407
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  • 2014
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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갯벌에서 여름철 일몰 전후 이산화탄소 농도 변동 분석

Variation Analysis of CO2 Concentrations at Sunset before and after of Summer Season at the Foreshore

  • 강동환 (부경대학교 지구과학연구소) ;
  • 권병혁 (부경대학교 환경대기과학과) ;
  • 김박사 (부경대학교 환경대기과학과)
  • Kang, Dong Hwan (Geo-Sciences Institute, Pukyong National University) ;
  • Kwon, Byung Hyuk (Department of Environmental Atmospheric Sciences, Pukyong National University) ;
  • Kim, Park Sa (Department of Environmental Atmospheric Sciences, Pukyong National University)
  • 투고 : 2013.10.02
  • 심사 : 2013.12.05
  • 발행 : 2014.03.31
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초록

In this study, before and after sunset carbon dioxide concentration and air temperature were observed in two points of atmosphere (lower observation point of the GL + 0.1 m, the upper observation point of GL + 1.0 m) on the foreshore at located in Suncheon Bay and their variations were analyzed. Observation was performed on the foreshore on 2~4 August 2010. Instrument (VAISALA, GMP343) was set two hours before sunset and then observation was made continuously for six hours. In three days, observed carbon dioxide concentration was 375~419 ppm, and the air temperature was in the range of $28.7{\sim}32.5^{\circ}C$. The average concentration of carbon dioxide was 388~399 ppm in the upper observation point and 386~396 ppm in the lower observation point. It was higher in the upper observation point and its fluctuations were similar in two observation points. Correlation coefficients between carbon dioxide concentration and air temperature in the upper observation point were in the range of -0.64~-0.88, and were calculated -0.65 to -0.90 in the lower observation point. For the carbon dioxide concentration, correlation coefficients between the upper part and the lower part were very high as 0.98 in three times. For the air temperature, correlation coefficients between the upper part and the lower part were very high as 0.97 and 0.99. In the same observation time, the slope of the linear regression function as carbon dioxide concentration in the lower observation point for the upper observation point was in the range of 0.97~1.01. Carbon dioxide concentration was slightly higher in the upper observation point. Because carbon dioxide in the lower observation point was closer on the surface of the foreshore and absorbed from atmosphere to the foreshore. In this study, it was showed that the vertical variation of carbon dioxide concentration was insignificant in the several meter scale of atmosphere on the surface of the foreshore.

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