Analysis of wintertime NO2 pollution in the Tokyo metropolitan area

作者: Itsushi Uno , Toshimasa Ohara , Shinji Wakamatsu

DOI: 10.1016/1352-2310(95)00177-8

关键词: SeasonalityMeteorologyAir quality indexEnvironmental scienceNitrogen dioxidePollutionNOxUrban areaAir pollutionMetropolitan area

摘要: Abstract The high concentration of NO2 in the Tokyo Metropolitan area was investigated by means air quality monitoring station data analysis and two numerical models: a photochemical box model grid model. Based on data, typical variation with time NO, O3 for days concentrations is presented. application models successfully reproduced these variations when using emission intensities NOx NMHC from downtown area. Model results revealed that winter (exceeding Japan environmental standard) mainly result oxidation NO to NO2.

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