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http://dx.doi.org/10.14249/eia.2021.30.4.237

Regional Categorization of Gyeonggi Province for Fine Dust Management  

Lee, Su-Min (Department of Environmental Science and Engineering, Kyung Hee University)
Lee, Tae-Jung (Department of Environmental Science and Engineering, Kyung Hee University)
Oh, Jongmin (Department of Environmental Science and Engineering, Kyung Hee University)
Kim, Sang-Cheol (Environmental Safety Management Division, Gyenggi-do)
Jo, Young-Min (Department of Environmental Science and Engineering, Kyung Hee University)
Publication Information
Journal of Environmental Impact Assessment / v.30, no.4, 2021 , pp. 237-246 More about this Journal
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.
Keywords
Local dust; $PM_{10}$; $PM_{2.5}$; Spatial distribution; Multi-Dimensional Scaling (MDS);
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Times Cited By KSCI : 1  (Citation Analysis)
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