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Meteorological Factors in Dispersion Modelling of SO2 and NO2 in Baia Mare, Romania | Chapter 07 | Advances in Applied Science and Technology Vol. 6

Atmospheric dispersion characterizes the evolution in time and space of an ensemble of pollutants (aerosols, gases, dust, etc.) emitted into the atmosphere. Atmospheric dispersion phenomenon is influenced by different atmospheric conditions, soil and relief parameters and emission values. The atmospheric dispersion model is the mathematical simulation of how air pollutants disperse. Such models are used to estimate the concentration of air pollutants emitted from industrial activity, domestic, rural and diffuse sources.

The paper presents the variety of atmospheric dispersion models on concentrations of SO2 and NO2 made according to the time variation of meteorological parameters (atmospheric pressure, relative humidity, rainfall, wind speed, solar radiation, etc.) specific to the Maramureș area, in particular to the Baia Mare Urban System area. The results had been correlated between specific climatic factors with the pollution of the atmosphere, referred to data monthly and weekly fluctuations of NO2 and SO2. For the climatic measurements, recordings have been made on the following parameters: air temperature, air relative humidity, wind speed, cloud coverage and solar radiation. Measurements have been made between 2010 and 2013, and interpreted using the models offered by G.S. Surfer software. The use of G.S. Surfer software in climatic studies is useful because it creates a great precision graphic representation for everyone interested in having an idea about climate and related pollution issues regarding a specific urban area.

Author(s) Details

Bogdan Cioruța
Faculty of Science, Technical University of Cluj-Napoca - North University Centre Baia Mare, Victoriei Str., No. 76, Baia Mare, Maramureș County, Romania.

Mirela Coman
Faculty of Engineering, Technical University of Cluj-Napoca - North University Centre Baia Mare, Victor Babeș str., No. 62, Baia Mare, Maramureș County, Romania.

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