한국환경과학회지 (Journal of Environmental Science International)

  • 제10권6호
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  • Pages.417-422
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  • 2001
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
권호 표지

부산연안역의 대기경계층내 잔류 오존의 연직하향혼합에 의한 지표 오존농도의 변화 특성

Variations of Surface Ozone Concentration by Vertical Downward Mixing of Ozone in the Residual Layer of the Atmospheric Boundary Layer at the Busan Coastal Area

  • 발행 : 2001.12.01
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초록

The vertical structure of atmosphere was observed In investigate the variation of surface ozone concentration by vertical downward mixing of residual ozone in the atmospheric boundary layer at the Busan coastal area. Airsonde and pilot balloon measurements were made at Gamcheondong and the Kimhae airport for April 26~27, 1996. The vertical potential of potential temperature showed a residual layer between 510m and 1800m from 2100LST April 26 to 0900LST April 27. The downward mixing of ozone in the residual layer of the atmospheric boundary layer was confirmed from vertical profile of mixing ratio near 600m in the morning. The thickness of the sea breeze layer was 900m at 1500LST April 26. Thereafter, it become to be lowered with time A low level jet was measured near 900m at 0300LST on April 27 from a pibal measurement. Early morning sharp increase of surface ozone concentration at the Busan coastal area was caused by vertical downward mixing of ozone concentration rather than by photochemical reaction In the atmospheric boundary layer.

키워드

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