COMPLEMENTARY ATMOSPHERIC URBAN POLLUTION STUDIES IN THE NORTH-EAST REGION OF ROMANIA, IASI COUNTY

Abstract

Abstract In order to analyze the dynamics of the air pollutants, both through experiments and new modeling-forecasted environmental software (MAP 3D), preliminary investigations have been initiated. Complementary studies such as meteorological data that influence the physico-chemistry processes of various atmospheric trace constituents at the ground level have been taking into account, too. Key words: map 3D, nitrogen-oxides, ozone, pollution, relative humidity Received: November, 2010; Revised final: January, 2011; Accepted: January, 2011 ∗ Author to whom all correspondence should be addressed: e-mail: sgurlui@uaic.ro; Phone: +40232201197; Fax: +40232201150 1. Introduction The end of the 20 th century and the beginning of the 21 st century have brought to light numerous deficiencies concerning the relationship between people and environment. Only after serious warnings were heard and people have eventually realized that they do have a problem – pollution – did people become aware of the fact that we are not able to efficiently and objectively deal with problems linked with the climate environment. Numerous air pollutants, with variable concentrations, sizes and chemical compositions, depend on the space and time (Castellano et al. 2010; Stefan and Mircea, 1996). Moreover, the study of physical compositions and the chemical transformations of the polluted atmosphere play an important role in reducing the greenhouse emissions and greenhouse gas intensity that affects people, plants, and animals (Ding and Zhu, 2003). The atmospheric pollution of certain areas is influenced by weather (wind, clouds, precipitation, temperature, and relative humidity). In order to characterize the dynamics of the air pollutants both various atmospheric trace constituents (NO, NO