Dispersion modeling of selected PAHs in urban air: A new approach combining dispersion model with GIS and passive air sampling

0430198 - ÚVGZ 2015 RIV GB eng J - Journal Article
Sáňka, O. - Melymuk, L. - Čupr, P. - Dvorská, Alice - Klánová, J.
Dispersion modeling of selected PAHs in urban air: A new approach combining dispersion model with GIS and passive air sampling.
Atmospheric Environment. Roč. 90, oct (2014), s. 88-95. ISSN 1352-2310. E-ISSN 1873-2844
Institutional support: RVO:67179843
Keywords : passive air sampling * air dispersion modeling * GIS * polycyclic aromatic hydrocarbons * emission inventories
Subject RIV: DI - Air Pollution ; Quality
Impact factor: 3.281, year: 2014

This study introduces a new combined air concentration measurement and modeling approach that we propose can be useful in medium and long term air quality assessment. A dispersion study was carried out for four high molecular weight polycyclic aromatic hydrocarbons (PAHs) in an urban area with industrial, traffic and domestic heating sources. A geographic information system (GIS) was used both for processing of input data as well as visualization of the modeling results. The outcomes of the dispersion model were compared to the results of passive air sampling (PAS). Despite discrepancies between measured and modeled concentrations, an approach combining the two techniques is promising for future air quality assessment. Differences between measured and modeled concentrations, in particular when measured values exceed the modeled concentrations, are indicative of undocumented, sporadic pollutant sources. Thus, these differences can also be useful for assessing and refining emission inventories.
Permanent Link: http://hdl.handle.net/11104/0235141