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Assessment of location of the air quality monitoring stations according to the analysis of wind sector division in Pohang

포항지역의 바람권역 분석에 따른 대기측정망 위치 평가

  • 정종현 (대구한의대학교 보건학부) ;
  • 이형돈 (부산대학교 사회환경시스템공학과) ;
  • 손병현 (한서대학교 환경공학과)
  • Received : 2012.03.02
  • Accepted : 2012.04.12
  • Published : 2012.04.30

Abstract

This study evaluated whether the installed location of air quality monitoring stations is at an optimal level in an effort to improve the health and environmental quality of the surrounding areas of the Pohang Steel Complex. As a result of analyzing the atmospheric flow field, it was found that the location of air quality monitoring stations was acceptable in case of Daesong-myeon(The 1st Division of Local Wind Sector) and Jukdo-dong(The 3rd Division of Local Wind Sector). However, the air quality monitoring stations installed at Daedo-dong and Jukdo-dong is judged to have made an overlapped measurement because the stations existed at the Division of the same Wind Sector. Accordingly, this study suggests that the further air quality monitoring stations should be additionally installed at Buk-gu areas of Pohang where more than 50% of the population of Pohang is living presently. As a result of the analysis of air contaminant concentration distribution, the Jangheung-dong area showed higher concentration distribution than other areas in case of $PM_{10}$ while the Daesong-myeon area showed a comparatively higher concentration distribution in case of $O_3$. Conclusively, this study indicates that it is high time to prepare an aggressive management of $PM_{10}$ and $O_3$ which causes a harmful impact on the life and health of the residents of the target areas.

이 연구에서는 포항철강공단 주변지역의 보건 환경질 개선을 위해 대기측정망의 설치 위치가 적정한지를 평가하였다. 대기 유동장을 분석한 결과, 대송면(제 1 상세 바람권역)과 장흥동(제 3 상세 바람권역)의 경우 대기측정망의 위치가 적정한 것으로 나타났다. 그러나 대도동과 죽도동에 설치된 대기측정망은 동일바람권역에 존재하고 있어 중복 측정을 하고 있는 것으로 판단된다. 향후 포항시 인구의 50% 이상이 거주하고 있는 북구 지역에는 추가적으로 대기측정망을 설치할 것을 제언한다. 대기오염물질 농도 분포를 분석한 결과, $PM_{10}$의 경우 장흥동 지역이 다른 지역에 비해 높은 농도를 보였고 $O_3$의 경우에는 대송면지역에서 높게 나타났다. 대상지역 주민들의 생활건강에 악영향을 유발하는 $PM_{10}$$O_3$에 대한 적극적인 관리가 필요한 시점으로 판단된다.

Keywords

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