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Regional Categorization of Gyeonggi Province for Fine Dust Management

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2021, 30(4), pp.237-246
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering
  • Received : August 4, 2021
  • Accepted : August 20, 2021
  • Published : August 31, 2021

Su-Min Lee 1 Tae Jung Lee ORD ID 2 Jong-Min Oh ORD ID 2 Sang-Cheol Kim 3 Jo Young Min ORD ID 2

1경희대학교 환경응용과학과
2경희대학교
3경기도 환경안전관리과

Accredited

ABSTRACT

The similarity of hourly PM10 and PM2.5 concentration profiles of the atmospheric monitoring stations in Gyeonggi-do was evaluated through the multilateral analysis between stations. The existing category for most stations in the regions shows relatively low Pearson correlation values of 0.68 and 0.7 for PM10 and PM2.5 on average respectively, and some monitoring stations revealed high relationships over 0.8 to other regions. Since the current regions are mainly categorized by cluster analysis based on the number of occurrence of high concentration events and geological factors, it is necessary to reclassify them by concentration characteristics for precise fine dust management. In accordance, multi-dimensional scaling being able to visualize could categorize the regions based on regional emission contribution rate and hourly fine dust concentration. As a result of the current analysis, PM10 and PM2.5 could be reclassified into five regions and fourregions, respectively.

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