Aerosol samples were collected in Modena (Italy) in July 2002 with an inertial 12-stage impactor (SDI) in a urban sampling station at street level where the meteorological parameters were continuously monitored. Concentrations of S, Na, Cl, Al, P, Mg, K, Ca, V, Ti, Cr, Mn, Fe, Ni, Cu, Zn, Pb, and also trace of Pd, Rh and Pt were determined in the aerosol samples by means of PIXE technique. Size distribution curves for each element were obtained, and modal parameters identified. The elements were classified depending on their prevalent source, natural and anthropogenic. The origin of the sampled air masses suggested by their elemental content was compared with the meteorological conditions and backward trajectories evaluated with the HYSPLIT4 model by NOAA. The results agree with the element association determined by principal component analyses of the PIXE data. The enrichment factors of the measured elements generally confirmed the prevalent marine or continental origin of thesampled air masses.

Element size distribution in urban aerosol: PIXE measurements and multivariate analysis / Ghermandi, Grazia; Cecchi, Rodolfo; Teggi, Sergio. - ELETTRONICO. - CD - ROM:(2004), pp. 1-8. (Intervento presentato al convegno VII° SIDISA tenutosi a Taormina (Messina), Italia nel 23-26 giugno 2004).

Element size distribution in urban aerosol: PIXE measurements and multivariate analysis

GHERMANDI, Grazia;CECCHI, Rodolfo;TEGGI, Sergio
2004

Abstract

Aerosol samples were collected in Modena (Italy) in July 2002 with an inertial 12-stage impactor (SDI) in a urban sampling station at street level where the meteorological parameters were continuously monitored. Concentrations of S, Na, Cl, Al, P, Mg, K, Ca, V, Ti, Cr, Mn, Fe, Ni, Cu, Zn, Pb, and also trace of Pd, Rh and Pt were determined in the aerosol samples by means of PIXE technique. Size distribution curves for each element were obtained, and modal parameters identified. The elements were classified depending on their prevalent source, natural and anthropogenic. The origin of the sampled air masses suggested by their elemental content was compared with the meteorological conditions and backward trajectories evaluated with the HYSPLIT4 model by NOAA. The results agree with the element association determined by principal component analyses of the PIXE data. The enrichment factors of the measured elements generally confirmed the prevalent marine or continental origin of thesampled air masses.
2004
VII° SIDISA
Taormina (Messina), Italia
23-26 giugno 2004
CD - ROM
1
8
Ghermandi, Grazia; Cecchi, Rodolfo; Teggi, Sergio
Element size distribution in urban aerosol: PIXE measurements and multivariate analysis / Ghermandi, Grazia; Cecchi, Rodolfo; Teggi, Sergio. - ELETTRONICO. - CD - ROM:(2004), pp. 1-8. (Intervento presentato al convegno VII° SIDISA tenutosi a Taormina (Messina), Italia nel 23-26 giugno 2004).
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/605657
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