1 Ocak 2011 Dergi makalesi Açık Erişim

Bayraktar, Hanefi; Turalioglu, F. Sezer; Tuncel, Gurdal; Zararsiz, Abdullah

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    <subfield code="a">This study investigated the elemental concentrations of atmospheric particulate matter (PM10, PM2.5) and their relationships with meteorological factors in Erzurum urban centre, Turkey. The average elemental concentration PM10 values for Ca, Mg, Si, Al, Pb, Zn, Cu and Ni in Erzurum city atmosphere were 2112, 184, 2134, 746, 6, 44, 38 and 2 ng/m(3), respectively, and that of PM2.5 were 103, 30, 717, 86, 4, 6, 70 and 1 ng/m(3), respectively. Furthermore, during the sampling period, whilst on average 90% of some alkali metals (Si, Ca, Al, Mg) were observed in large size fraction, on average 55% of some elements (S, Zn, Pb, K) were measured in fine size fraction. For the purposes of investigating the sources of the elemental PM concentrations measured, the widely documented crustal enrichment factors method was used. K, Mg, Ca, Ti, Cr, Mn were observed to be from crustal sources in coarse fraction (PM10-2.5), but S, Cu, Zn, Pb were found to be anthropogenic. Concentrations of fine fraction (PM2.5) elements Mg, Ca, Al, Si, Ti were found to be entirely of crustal origin (as per coarse fraction), and both crustal and anthropogenic sources were important in concentrations of K, Cr, Mn and Ni, whereas S, Cu Zn and Pb levels were entirely of anthropogenic origin. Moreover, fine mode fraction of PM (PM2.5) showed considerable seasonal variations of elemental concentrations which was thought to originate from anthropogenic sources.</subfield>
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    <subfield code="a">Bayraktar, Hanefi</subfield>
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    <subfield code="a">ELEMENTAL COMPOSITION OF PM10 AND PM2.5 IN ERZURUM URBAN ATMOSPHERE, TURKEY</subfield>
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