大气与环境光学学报, 2009, 4 (4): 300, 网络出版: 2010-05-26   

北京奥运期间的碳黑气溶胶观测研究

Observation of Black Carbon Aerosol During Beijing Olympic Games
作者单位
中国科学院安徽光学精密机械研究所 中国科学院环境光学与技术重点实验室, 安徽 合肥230031
摘要
2008年7[EQUATION]8月在北京市奥体中心的遥感所站点连续实时监测碳黑气溶胶(BC),研究其在北京奥运期间的 变化特征和来源。奥运会前BC平均质量浓度约为4.58 [EQUATION]g/m[EQUATION],而奥运会期间其平均浓 度约为 3.07 [EQUATION]g/m[EQUATION],下降比约为33.0% ,这说明减排措施有效降低了BC的排放总量。同 步监测的可吸入颗粒物(PM[EQUATION])与BC一致性较好,相关系数为0.86, BC约占PM[EQUATION]的1.9% 。比对2007年同期BC浓度 数据,也证实了北京地区在实行各项减排措施后,BC的污染情况有较大好转。
Abstract
Black carbon aerosol (BC) has been measured at IRSA site in Beijing during July and August, 2008. By analyzing these real-time BC data, the concentration distributions and the sources of BC are concluded. The average concentrations of BC in July and Beijing Olympic Games are 4.58 [EQUATION]g/m[EQUATION] and 3.07 [EQUATION]g/m[EQUATION] respectively, that the declining ratio is about 33.0%. It shows that a series of regulations successfully decreased the concentration of BC. The correlation coefficient between daily average concentration of BC and inhalable particles(PM[EQUATION]) is 0.86, while the value of BC/PM[EQUATION] is 1.9%. Through comparing with the BC concentration of summer in 2007, the results indicated that the concentration of BC has reduced during Beijing Olympic Games.
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伍德侠, 刘建国, 陆亦怀, 王杰, 刘世胜, 方武, 陆钒. 北京奥运期间的碳黑气溶胶观测研究[J]. 大气与环境光学学报, 2009, 4(4): 300. WU De-xia, LIU Jian-guo, LU Yi-huai, WANG Jie, LIU Shi-sheng, FANG Wu, LU Fan. Observation of Black Carbon Aerosol During Beijing Olympic Games[J]. Journal of Atmospheric and Environmental Optics, 2009, 4(4): 300.

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