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Open AccessArticle

Characteristics of Carbonaceous Matter in Aerosol from Selected Urban and Rural Areas of Southern Poland

Institute of Environmental Engineering Polish Academy of Sciences, 34 M. Skłodowska-Curie Str., 41-819 Zabrze, Poland
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Atmosphere 2020, 11(7), 687; https://doi.org/10.3390/atmos11070687
Received: 3 June 2020 / Revised: 26 June 2020 / Accepted: 27 June 2020 / Published: 29 June 2020
(This article belongs to the Special Issue Particulate Matters Emission in Poland)
The purpose of this study is to obtain a detailed picture of the spatial and seasonal variability of carbonaceous matter in southern Poland. Particulate matter (PM) samples from eight selected urban and rural background sites were analyzed for organic carbon (OC) and elemental carbon (EC) (thermal-optical method, “eusaar_2” protocol), and the content of secondary (SOC) and primary organic carbon (POC) was estimated. The OC and EC dynamics were further studied using each of the thermally-derived carbon fractions (OC1–4, PC, and EC1–4). Clear spatiotemporal variability of carbonaceous compounds concentrations was observed, with higher levels recorded during the heating season. The considered measurement sites differed particularly in the shares of SOC and POC, with higher values of POC contents especially in rural areas. In terms of the content of carbon fractions, the analyzed sites showed roughly the same characteristics, with PC, OC4, and OC2 as dominant fractions of OC and with clear dominance of EC3 and EC2 over other EC fractions. The results obtained as part of this work may be a valuable source of information about the actual status of the carbonaceous matter, which remains one of the least known components of atmospheric PM. View Full-Text
Keywords: carbonaceous matter; thermal-optical analysis; secondary and primary organic carbon; organic and elemental carbon fractions; rural and urban background; southern Poland carbonaceous matter; thermal-optical analysis; secondary and primary organic carbon; organic and elemental carbon fractions; rural and urban background; southern Poland
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Błaszczak, B.; Mathews, B. Characteristics of Carbonaceous Matter in Aerosol from Selected Urban and Rural Areas of Southern Poland. Atmosphere 2020, 11, 687.

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