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dc.creatorRosse, Vinicius Possato-
dc.creatorPereira, Jaqueline Natiele-
dc.creatorBoari, Arthur-
dc.creatorCosta, Gabriel Vinicius-
dc.creatorRibeiro, João Pedro Colombo-
dc.creatorVieira Filho, Marcelo-
dc.date.accessioned2021-10-06T20:52:44Z-
dc.date.available2021-10-06T20:52:44Z-
dc.date.issued2020-10-
dc.identifier.citationROSSE, V. P. et al. São Paulo’s atmospheric pollution reduction and its social isolation effect, Brazil. Air Quality, Atmosphere & Health, [S. I.], v. 14, p. 543-552, Apr. 2021. DOI: https://doi.org/10.1007/s11869-020-00959-8.pt_BR
dc.identifier.urihttps://doi.org/10.1007/s11869-020-00959-8pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/48336-
dc.description.abstractSince January 2020, studies report reductions in air pollution among several countries due to social isolation measures, which have been adopted in order to contain the coronavirus outbreak progress (COVID-19). This study aims to evaluate the change in the atmospheric pollution levels by NO and NO2 in São Paulo City for the social isolation period. The NO and NO2 hourly concentrations were obtained through air quality monitoring stations from CETESB, from January 14, 2020 to April 12, 2020. Mann-Kendall and the Pettitt tests were performed in the air pollutant time series. We observed an overall negative trend in all stations, indicating a decreasing temporal pattern in concentrations. Regarding NO, the highest absolute decrease rates were observed in the Congonhas (− 6.39 μg m−3 month−1) and Marginal Tietê (− 6.19 μg m−3 month−1) stations; regarding NO2, the highest rates were observed in the Marginal Tietê (− 4.45 μg m−3 month−1) and Cerqueira César (− 4.34 μg m−3 month−1) stations. In addition, we identified a turning point in the NO and NO2 series trends that occurred close to the start date of the social isolation period (March 20, 2020). Moreover, from statistical analysis, it was found that NO2 is a suitable surrogate for monitoring economic activities during social isolation periods. Thus, we concluded that social isolation measures implemented on March 20, 2020 caused significant changes in the air pollutant concentrations in the city of São Paulo (as high as − 200% in NO2 levels).pt_BR
dc.languageenpt_BR
dc.publisherSpringer Naturept_BR
dc.rightsrestrictAccesspt_BR
dc.sourceAir Quality, Atmosphere & Healthpt_BR
dc.subjectAir pollutionpt_BR
dc.subjectNitrogen dioxide - NO2pt_BR
dc.subjectCoronavirus outbreakpt_BR
dc.subjectCOVID-19pt_BR
dc.subjectPoluição do arpt_BR
dc.subjectDióxido de nitrogéniopt_BR
dc.subjectIsolamento socialpt_BR
dc.titleSão Paulo’s atmospheric pollution reduction and its social isolation effect, Brazilpt_BR
dc.typeArtigopt_BR
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