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Advances in Meteorology
Volume 2015, Article ID 471396, 11 pages
http://dx.doi.org/10.1155/2015/471396
Research Article

Spatiotemporal Variation of Particulate Fallout Instances in Sfax City, Southern Tunisia: Influence of Sources and Meteorology

Unité de Recherche “Etude et Gestion des Environnements Côtiers et Urbains”, Faculté des Sciences de Sfax, Université de Sfax, BP 1171, 3000 Sfax, Tunisia

Received 7 May 2015; Revised 25 June 2015; Accepted 28 June 2015

Academic Editor: Gabriele Curci

Copyright © 2015 Moez Bahloul et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Particles deposition in the main industrial zone of Sfax City (southern Tunisia) was studied by weekly monitoring particulate fallout instances at twenty sites from November 11, 2012, to April 15, 2013. Very high fluctuation in those particle fluxes, ranging from 0.376 to 9.915 g/m2, was clearly observed. Spatiotemporal distribution of the deposited particulate fluxes and the exposure of each site to the main industrial plumes (i.e., phosphate treatment plant “SIAPE,” soap industry “SIOS-ZITEX,” and lead secondary melting industry “FP Sfax Sud”) indicated the concomitant effects of surrounding industrial sources. In addition, the highest particulate deposition seemed to be associated with predominant strong cyclonic situations. Those deposition rates exceeded the levels recorded in the case of strong stabilities, considered as responsible for pollutant accumulation.