重庆市交通扬尘尘源的鉴别

Identification of the Sources of Traffic Dust in CHONGQING

采用因子分析的方法解析重庆市城区交通干道上交通扬尘的尘源,结果表明该地区交通扬尘的主要来源是土壤、燃煤,汽车和治金源排放,其中土壤贡献了交通扬尘总量的大约一半,而另一半则来自其它人为活动。

Factor analysis is employed to identify the sources of traffic dust in highway of Chongqing urban area. The results of calculation show that soil, coal burning vehicle and metallurgy are main sources of the traffic dust.Soil is found to contribute about half of the traffic dust, while another half of the traffic dust comes form human activities.