Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Meteorological Relations and Characteristics of Fine Particles at Guducksan in Busan

부산 구덕산의 미세먼지(PM10) 농도 특성과 기상학적 관련성

  • Jeon, Byung-Il (Department of Environmental Engineering, Silla University)
  • Received : 2015.02.23
  • Accepted : 2015.03.26
  • Published : 2015.07.31
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Abstract

The study investigates the characteristics of $PM_{10}$ concentration in Guducsan air quality observatory and in particular, analyzes the relationship between sudden increase of $PM_{10}$ concentration in the morning of spring 2014 and meteorological parameters. $PM_{10}$ concentration in April was $46.9{\mu}g/m^3$, the highest, followed by $45.5{\mu}g/m^3$ and $44.6{\mu}g/m^3$ in March and May, and $21.9{\mu}g/m^3$ in August. The low concentration in the early morning appeared on 0800 LST in spring, summer, and fall, whereas it emerged on 0900 LST in winter. High concentration in daytime lasted from 1200 LST to 1500 LST in spring and fall, whereas it continued from 1300 LST to 1600 LST in winter. The findings of $PM_{10}$ concentration and change of meteorological parameters in Guducsan from April 20th to 27th in 2014 are as follows. The low concentration at dawn and in the morning decreased due to strong land breeze. Also, the sudden increase of $PM_{10}$ concentration in the morning was attributable to low wind speed. Lastly, the sudden decrease of $PM_{10}$ concentration in the afternoon was attributed to diffusion by strong sea breeze.

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References

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