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首页> 外文期刊>Environmental Pollution >Contribution of anthropogenic pollutants to the increase of tropospheric ozone levels in the Oporto Metropolitan Area, Portugal since the 19th century
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Contribution of anthropogenic pollutants to the increase of tropospheric ozone levels in the Oporto Metropolitan Area, Portugal since the 19th century

机译：自19世纪以来，葡萄牙波尔图都会区的人为污染对对流层臭氧水平增加的贡献

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The main purpose of this study was to evaluate the contribution of anthropogenic pollutants to the increase of tropospheric ozone levels in the Oporto Metropolitan Area (Portugal) since the 19th century. The study was based on pre-industrial and recent data series, the results being analyzed according to the atmospheric chemistry. The treatment of ozone and meteorological data was performed by classical statistics and by time-series analysis. It was concluded that in the 19th century the ozone present in the troposphere was not of photochemical origin, being possible to consider the respective concentrations as reference values. For recent data a cycle of 8 h for ozone concentrations could be related to traffic. Compared to the 19th century, the current concentrations were 147% higher (252% higher in May) due to the increased photochemical production associated with the increased anthropogenic emissions.
机译：这项研究的主要目的是评估自19世纪以来，人为污染对波尔图都会区（葡萄牙）对流层臭氧水平增加的贡献。该研究基于工业化前和最近的数据系列，根据大气化学分析结果。臭氧和气象数据的处理通过经典统计和时间序列分析进行。结论是，在19世纪，对流层中存在的臭氧不是光化学起源的，因此可以将各自的浓度作为参考值。对于最新数据，臭氧浓度的8小时周期可能与交通状况有关。与19世纪相比，当前的浓度增加了147％（5月增加252％），这是由于与人为排放物增加相关的光化学产量的增加。

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