Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Evaluation of Contribution Rate of PM Concentrations for Regional Emission Inventories in Korean Peninsula Using Brute-force Sensitivity Analysis

Brute-force 방법을 이용한 한반도 미세먼지 농도에 대한 배출원의 기여도 산출 연구

  • Lee, Soon-Hwan (Department of Earth Science Education, Pusan National University) ;
  • Lee, Kang-Yeol (Department of Atmospheric Environment, Pusan National University)
  • 이순환 (부산대학교 지구과학교육과) ;
  • 이강열 (부산대학교 대기환경과학과)
  • Received : 2015.11.01
  • Accepted : 2015.11.16
  • Published : 2015.11.30
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Abstract

In order to clarify the contribution rate of PM concentration due to regional emission distribution, Brute force analysis were carried out using numerical estimated PM data from WRF-CMAQ. The emission from Kyeongki region including Seoul metropolitan is the largest contribution of PM concentration than that from other regions except for emission of trans-country and source itself. Contribution rate of self emission is also the largest at Kyeongki region and its rate reach on over 95 %. And the rate at Gangwon region also higher than any region due to synoptic wind pattern. Due to synoptic wind direction at high PM episode, pollutants at downwind area along from west to east and from north to south tends to mix intensively and its composition is also complicated. Although the uncertainty of initial concentration of PM, the contribution of regional PM concentration tend to depend on the meteorological condition including intensity of synoptic and mesoscale wind and PM emission pattern over upwind region.

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References

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