Characterization of particulate matter sources in an urban environment

被引：226

作者：

Mazzei, F. ^{[1
,2
]}

D'Alessandro, A. ^{[3
,6
]}

Lucarelli, F. ^{[4
,5
]}

Nava, S. ^{[4
,5
]}

Prati, P. ^{[1
,2
]}

Valli, G. ^{[3
,6
]}

Vecchi, R. ^{[3
,6
]}

机构：

[1] Dipartimento Fis, I-16146 Genoa, Italy

[2] Ist Nazl Fis Nucl, I-16146 Genoa, Italy

[3] Ist Nazl Fis Nucl, I-20133 Milan, Italy

[4] Ist Nazl Fis Nucl, I-50019 Sesto Fiorentino, Italy

[5] Dipartimento Fis, I-50019 Sesto Fiorentino, Italy

[6] Ist Fis Gen Applicata, I-20133 Milan, Italy

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2008年 / 401卷 / 1-3期

关键词：

PM10; PM2.5; PM1; PMF; tracers; source apportionment;

D O I：

10.1016/j.scitotenv.2008.03.008

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Daily time series measurements of elements or compounds are widely used to apportion the contribution of specific sources of particulate matter concentration in the atmosphere. We present results obtained for the urban area of Genoa (Italy) based on several hundred of PM10, PM2.5 and PM1 daily samples collected in sites with different geo-morphological and urbanization characteristics. Elemental concentrations of Na to Pb were obtained through Energy Dispersive X-Ray Fluorescence (ED-XRF), and the contributions of specific sources of particulate matter (PM) concentration were apportioned through Positive Matrix Factorization (PMF). By sampling at different sites we were able to obtain, in each PM fraction, the average and stable values for the tracers of specific sources, in particular traffic (Cu, Zn, Pb) and heavy oil combustion (V, Ni). We could also identify and quote the contamination of anthropogenic PM in "natural" sources (sea, soil dust). Sampling at several sites in the same urban area allowed us to resolve local characteristics as well as to quote average values. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：81 / 89

页数：9

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