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Ozone: Science & Engineering
The Journal of the International Ozone Association
Volume 42, 2020 - Issue 1
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Original Article

Statistical Behavior of O3, OX, NO, NO2, and NOx in Urban Environment

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Pages 66-78 | Received 19 Jan 2019, Accepted 28 Mar 2019, Published online: 02 May 2019
 

ABSTRACT

This paper presents the results of the statistical modeling of the ozone concentration in Campo Grande, Brazil in 2016. Five sets of data, summer (January–March), autumn (April–June), winter (July–September), spring (October–December), and all year round were used. The results show that the maximum concentrations of oxidants occur at 3:00 p.m., the diurnal NO variation, the concentrations show a cycle with two peaks at 7:00 and the other at 11:00 p.m. It has been found that the best distribution for the five datasets is the lognormal distribution of three parameters. The seasonality of the datasets shows greater asymmetry during the summer, due to the greater tail distribution, mainly due to the greater photochemical activity.

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