Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Characteristics of Fine Particle Concentration and Ionic Elements of PM2.5 during Sea Breeze Occurrences in Summertime in Busan

부산지역 여름철 해풍 발생 시 미세먼지와 초미세먼지 중의 이온성분 특성

  • Received : 2021.04.30
  • Accepted : 2021.06.09
  • Published : 2021.06.30
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Abstract

This research investigated the characteristics of fine particle concentration and ionic elements of PM2.5 during sea breeze occurrences during summertime in Busan. The PM10 and PM2.5 concentrations of summertime sea breeze occurrence days in Busan were 46.5 ㎍/m3 and 34.9 ㎍/m3, respectively. The PM10 and PM2.5 concentrations of summertime non-sea breeze occurrence days in Busan were 25.3 ㎍/m3 and 14.3 ㎍/m3, respectively. The PM2.5/PM10 ratios of sea breeze occurrence days and non-sea breeze occurrence days were 0.74 and 0.55, respectively. The SO42-, NH4+, and NO3- concentrations in PM2.5 of sea breeze occurrence days were 9.20 ㎍/m3, 4.26 ㎍/m3, and 3.18 ㎍/m3 respectively. The sulfur oxidation ratio (SOR) and nitrogen oxidation ratio (NOR) of sea breeze occurrence days were 0.33 and 0.05, respectively. These results indicated that understanding the fine particle concentration and ionic elements of PM2.5 during sea breeze summertime conditions can provide insights useful for establishing a control strategy of urban air quality.

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References

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