Chemical Speciation Monitoring and Measurement

The high level of ozone and fine particulate matter adversely impact human health in most urban areas. A number of organic and inorganic chemical species are involved in generating ozone and fine particulates in the atmosphere through chemical reactions, which are inherently non-linear and complex. Both theoretical and experimental studies are required to understand this complex chemical reaction system. Especially, much needed are detailed measurement and monitoring of chemical speciation of PM_2.5 and VOCs. For the past twenty years, both intensive monitoring and long-term monitoring have been conducted to identify major chemical species contributing to the formation of ozone and fine particulate matters. Recent advances in instrumental methods have revolutionized speciation measurement in terms of accuracies, temporal, and spatial resolutions.

In this Special Issue, we encourage the publication of papers on three topical areas: development and application of real-time monitoring methodology, intensive speciation measurements, long-term speciation monitoring. The first topic deals with measurements of PM_2.5 composition and VOC speciation using state-of-art real-time monitoring equipment including on-line GC, on-line IC, on-line XRF, aerosol mass spectrometer, PTR mass spectrometer, and chemical ionization mass spectrometer. The second topic deals with collaborative studies involving several research groups on intensive monitoring of the specific air pollution episode. Finally, the third topic deals with the analysis of long-term monitoring data from local or regional monitoring networks including PM speciation monitoring networks, VOC speciation monitoring network, acid deposition monitoring network, and hazardous air pollutant monitoring network.

Prof. Dr. Seogyeon Cho
Guest Editor

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