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.

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