Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Evaluation of the Effectiveness of Emission Control Measures to Improve PM2.5 Concentration in South Korea

미세먼지 농도 개선을 위한 배출량 저감대책 효과 분석

  • Kim, Eunhye (Department of Environmental & Safety Engineering, Ajou University) ;
  • Bae, Changhan (Department of Environmental & Safety Engineering, Ajou University) ;
  • Yoo, Chul (National Institute of Environmental Research) ;
  • Kim, Byeong-Uk (Georgia Environmental Protection Division) ;
  • Kim, Hyun Cheol (Air Resources Laboratory, National Oceanic & Atmospheric Administration) ;
  • Kim, Soontae (Department of Environmental & Safety Engineering, Ajou University)
  • 김은혜 (아주대학교 환경안전공학과) ;
  • 배창한 (아주대학교 환경안전공학과) ;
  • 유철 (국립환경과학원 대기환경연구과) ;
  • 김병욱 (미국조지아주환경청) ;
  • 김현철 (미국국립해양대기청) ;
  • 김순태 (아주대학교 환경안전공학과)
  • Received : 2018.01.23
  • Accepted : 2018.06.18
  • Published : 2018.06.30
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Abstract

On September 26, 2017, South Korean government has established the Particulate Matter Comprehensive Plan to improve Korean air quality by 2022, which aims to reduce annual mean surface $PM_{2.5}$ concentration to $18{\mu}g/m^3$. This study demonstrates quantitative assessment of predicted $PM_{2.5}$ concentrations over 17 South Korean regions with the enforcement of the comprehensive plan. We utilize the Community Multi-scale Air Quality (CMAQ) modeling system with CAPSS 2013 and CREATE 2015 emissions inventories. Simulations are conducted for 2015 with the base emissions and the planned emissions, and impacts from model biases are minimized using the RRF (Relative Response Factor). With effective emission reduction scenario suggested by the comprehensive plan, the model demonstrates that the surface $PM_{2.5}$ concentration may decrease by $6{\mu}g/m^3$ ($23{\mu}g/m^3{\rightarrow}17{\mu}g/m^3$) and $7{\mu}g/m^3$ ($25{\mu}g/m^3{\rightarrow}18{\mu}g/m^3$) for Seoul and South Korea, respectively. The number of high $PM_{2.5}$ days(daily mean>$25{\mu}g/m^3$) also decreases from 21 days to 4 days.

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References

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