Multivariate Analysis of Meteorological Parameters in São Paulo City
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 5
Abstract
Formation and decomposition of NOx and ozone are closely linked to several respiratory and environmental problems, making the study of these compounds of great importance.With the number of automobiles growing steadily, beyond the rampant industrialization in certain developing countries, it has endangered a serious problem, especially in industrialized urban centers, which is air pollution, also generating deaths due to certain components toxicity.In this work, Statistica and Excel softwarehave been used for a more concise analysis of results and relations of parameters. With statistics, it was able to obtain analysis from multi-variational statistic, coupling parameters and elucidating relations among them. Using Excel, we could obtain a better evaluation of variation of compounds in relation to time, so we can then make the means of each month to divide the study among the year seasons.This paper's goal is to analyze and verify relationship between ozone and NOx, in besides observing which meteorological parameters are closely related to the higher or lower formation of these compounds, based on meteorological data collection of NOx and ozone compounds, besides several data obtained at CETESB, USP station, São Paulo.According to obtained data, some points were selected for a more precise analysis of ozone concentrations. Data have been obtained during 24 hours, and observing a significant concentration pattern afterward, it was verified that this interval is of 6h up to 18h. Thus, data were selected in those time periods over a year. With all data obtained, analyzed and generated in graphs and comparisons, it was possible to observe the direct connection between NOx and ozone, with variation according to the year seasons, being more specific according to changes in temperature, pressure, rainfall, and even with quantity of passing cars.
Authors and Affiliations
Nilo Antonio de Sousa Sampaio, Bernardo Bastos da Fonseca, Rosinei Batista Ribeiro, Adriano José Sorbile de Souza, Igor Alexandre Fioravante, José Wilson de Jesus Silva
Keywords
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- DOI 10.9790/9622-0805035357.
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