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Emission factors of inorganic ions from road traffic: A case study from the city of Naples (Italy)

机译:道路交通中无机离子的排放因子:以那不勒斯市(意大利)为例

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摘要

PM10 samples were collected in the urban tunnel of Naples (southern Italy) during a monitoring campaign on March 2015. Two sets of samples were collected at both sides of the tunnel, each set representing the daily cycle at a 1 h time resolution. Distance-based mass per kilometer emission factors (EFs) were calculated using mass concentrations, traffic flow rates and wind speed as a function of fleet composition. Samples were analysed for mass and water-soluble inorganic ions (Na+,NH4+,K+,Ca2+,Mg2+,Cl-,NO3- and SO42-) with the aim of investigating the influence of road traffic on the contribution of these species to PM levels.
机译:在2015年3月的一次监测活动中,从那不勒斯(意大利南部)的城市隧道中采集了PM10样品。在隧道的两侧采集了两组样品,每组代表1 h时间分辨率下的每日周期。使用质量浓度,交通流量和风速作为车队组成的函数来计算基于距离的每公里排放因子(EFs)。分析了样品中的质量和水溶性无机离子(Na +,NH4 +,K +,Ca2 +,Mg2 +,Cl-,NO3-和SO42-),目的是研究道路交通对这些物种对PM含量的影响。 。

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