期刊
ATMOSPHERIC ENVIRONMENT
卷 36, 期 28, 页码 4453-4462出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S1352-2310(02)00411-9
关键词
elemental composition; elemental ratios; industrial area; factor analysis; PM10; urban area
Ambient concentrations of PM10 and their elemental composition in the multi-impacted area of Thessaloniki, N. Greece is presented in this study. High concentrations of PM10 were observed, with 80% exceedances of the proposed daily limit of 50 mug m(-3). The elemental concentrations were similar to the levels observed in moderately polluted urban areas. Spatial and temporal variation of particle mass and elemental concentrations as well as the influence of meteorological conditions were examined. The examined elements were characterised with respect to their origin from natural or anthropogenic emissions on the basis of crustal and marine enrichment factors. Factor analysis of elemental composition pattern and elemental ratios in PM10 were also used to identify possible pollution source-types. (C) 2002 Elsevier Science Ltd. All rights reserved.
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