Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Impact of Municipal, Road Traffic and Natural Sources on PM10: The Hourly Variability at a Rural Site in Poland

Version 1 : Received: 3 April 2021 / Approved: 5 April 2021 / Online: 5 April 2021 (11:17:30 CEST)

How to cite: Mach, T.; Rogula-Kozłowska, W.; Bralewska, K.; Majewski, G.; Rogula-Kopiec, P.; Rybak, J. Impact of Municipal, Road Traffic and Natural Sources on PM10: The Hourly Variability at a Rural Site in Poland. Preprints 2021, 2021040098 (doi: 10.20944/preprints202104.0098.v1). Mach, T.; Rogula-Kozłowska, W.; Bralewska, K.; Majewski, G.; Rogula-Kopiec, P.; Rybak, J. Impact of Municipal, Road Traffic and Natural Sources on PM10: The Hourly Variability at a Rural Site in Poland. Preprints 2021, 2021040098 (doi: 10.20944/preprints202104.0098.v1).

Abstract

The paper presents data from a monthly campaign for the elemental composition of PM10 in a specific receptor Kotórz Mały (Opole Voivodeship) located in the vicinity of a moderately inhabited rural area, measured in one-hour samples with the use of the PX-375 analyzer by the Horiba company. The hourly variability of SO2, NO, NO2, CO, O3 concentrations as well as the variability of meteorological parameters were also determined. On average, during the entire measurement period, the elements related to PM10 can be arranged in the following order: As<V<Ni<Pb<Cr<Mn<Cu<Ti<Zn<K<Fe<Ca<Al<Si<S. Trace elements, including toxic elements, such as As, V, Ni, Pb, Cr, Mn, were present in low concentrations, not exceeding 10 ng/m3 (average daily value). These elements had fairly even concentrations, daily and hourly. The concentrations of the main elements in the PM10 in the receptor are subject to strong hourly changes related not only to changes in the structure of the sources identified in the statistical analysis but mainly to wind speed and direction changes (soil and sand particles pick-up and inflow of pollutants from coal combustion). It has been shown that the transport emission in the receptor can have an intense effect on PM10 in the afternoon.

Subject Areas

atmospheric aerosol; municipal and traffic emissions; natural sources; enrichment factor; coal and gasoline combustion; 24-h concentrations; diurnal variability; PX-375; XRF analysis

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