In order to explore the variation law and pollution source of black carbon aerosol in Beijing,the autor of this paper uses the observation data of the black carbon instrument of Beijing Observatory in 2018 to study and analyse with meteorological data and environmental data.The results show that the mass concentration of black carbon in Beijing is low in spring and summer,and high in autumn and winter.At the same time,the diurnal variation of black carbon mass concentration is obvious,showing a trend of high at night and low during the day.The main source of black carbon aerosol is the combustion of fossil fuels,and the impact of pollution in the southunrd direction is greater than that in the northward direction.The major potential source regions are located in southern Hebei,northwestern Shandong and southern Beijing.
关键词
黑碳/变化特征/污染传输/来源分析
Key words
black carbon/variation characteristics/pollution transmission/source analysis
维普
万方数据