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http://dx.doi.org/10.5572/KOSAE.2014.30.5.504

An Assessment Study for the Urban Air Monitoring Network in Seoul  

Ghim, Young Sung (Department of Environmental Science, Hankuk University of Foreign Studies)
Choi, Yongjoo (Department of Environmental Science, Hankuk University of Foreign Studies)
Park, Ji Soo (Department of Environmental Science, Hankuk University of Foreign Studies)
Kim, Chan Hyuk (Department of Environmental Science, Hankuk University of Foreign Studies)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.30, no.5, 2014 , pp. 504-509 More about this Journal
Abstract
Twenty-five stations of the urban monitoring network in Seoul were assessed with a focus on surveillance function of the exceedances of 8-hour ozone and 24-hour $PM_{10}$ standards. The two standards were selected because their attainment rates were particularly low. Two hierarchical cluster analyses were performed to group stations with similar atmospheric environments-one using daily highest 8-hour [$O_3+NO_2$], 8-hour $O_3$ concentrations plus corresponding 8-hour $NO_2$ concentrations considering the interconversion of $O_3$ and $NO_2$, and the other using 24-hour $PM_{10}$ concentrations. An index to measure higher concentration and exceedances of the standards was introduced. Within a cluster, sufficiently high score was assigned to the trends station or the station with higher index. Scores for $O_3+NO_2$ and $PM_{10}$ of a given station were added and ranked in the descending order to determine the relative importance.
Keywords
Exceedance surveillance; Cluster analysis; Index and score;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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