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Distribution of Negative Air Ion Concentration in Urban Neighborhood Park by Distance to Road – A Case of Yangjae Citizen’s Forest, Seoul –

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2018, 27(2), pp.152-169
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Lee Hyun Jin 1 Lee, Dong Kun 1 Bomi Kim 1

1서울대학교

Accredited

ABSTRACT

The purpose of this study was to analyze the effect of adjacent roads on the concentration of negative air ions in urban neighborhood park. The measured factors were negative air ion concentration, positive air ion concentration, air temperature, relative humidity, wind speed, green formation volume factor (GVZ) and distance from highway and general road. The mean negative air ion concentration was 206ea/cm3 and the positive air ion concentration was 416ea/cm3 in the influence zone of roads. On the other hand, the mean negative air ion was 339ea/cm3 and the positive air ion was 229ea/cm3 in the unaffected zone of roads, which are inner areas of the park. The difference of the negative air ion concentration according to the influence of the road was statistically significant. The negative air ion concentration model was presented by integrating the correlation analysis with the influence factors, and the explanatory power of the model was increased by adding the influence factor of the road.

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