Issue 2, 2009

Characterization of events by aerosol mass size distributions

Abstract

Continous measurements of particle mass size distributions were carried out in summer 2004 at an urban location in the western Mediterranean using an optical particle counter. In this work we propose a simple methodology to identify PM episodes and determine their influence on mass size distributions. During the study period three types of event produced a significant increase in TSP daily levels: Saharan dust intrusions, firework displays and strong winds, modifying size distributions in different ways. As well, a traffic-related mass size spectrum was obtained showing road dust particles injected into the atmosphere by vehicle-induced resuspension having mainly aerodynamic diameters between 5 and 15 µm. This was confirmed by principal component and conditional probability function analyses.

Graphical abstract: Characterization of events by aerosol mass size distributions

Article information

Article type
Paper
Submitted
01 Aug 2008
Accepted
18 Nov 2008
First published
04 Dec 2008

J. Environ. Monit., 2009,11, 394-399

Characterization of events by aerosol mass size distributions

J. Nicolás, E. Yubero, N. Galindo, J. Giménez, R. Castañer, A. Carratalá, J. Crespo and C. Pastor, J. Environ. Monit., 2009, 11, 394 DOI: 10.1039/B813042F

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