Pollution Research Paper

Vol. 35, Issue 3, 2016; Page No.(469-474 )

METEOROLOGICAL AND DISPERSION ANALYSIS OF AN AIR POLLUTION EVENT OVER THE WESTERN MEDITERRANEAN REGION

A. BENZAAMA, N. CHIOUKH, F. SAIDI S.A. BELATBI AND T. TAMINE

Abstract

Europe Region is well known for its polluting industries, in this context a thorough analysis is made on the photochemical air pollution formed in a metropolitan area depending on precursor emissions, weather and topography in an episode that took place on July 29thto 30th 2013, recorded in the Western Mediterranean region through atmospheric advanced modeling. The present study is focused on ground level Ozone (O3), oxide nitric (NO) and dioxide nitrogen (NO2). The production and transport of tropospheric ozone over the Mediterranean region is examined by applying spatiotemporal analyses of the atmospheric circulation. The model and measured results of NOx and O3 are in good agreement. Moreover, the modelled ground-level ozone during this episode is higher (0.093 ppm) than regulation value of the region 0.080 ppm. Indeed, the impact of Mediterranean outflow on the O3 chemical tendencies over Western Mediterranean regions is quantified. The origin of O3 long-range sources and their impact on the Algerian O3 budget is investigated.

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