Evaluation of the effect of air pollution control during the Beijing 2008 Olympic Games using Lidar data |
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Authors: | Yang Ting Wang ZiFa Zhang Bai Wang XiQuan Wang Wei Gbauidi Alex Gong YanBang |
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Institution: | 1.Geography and Remote sensing Research Center, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China;
2.Nansen-Zhu International research Center, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;
3.Graduate University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract: | To examine the effect of pollution control measures on Beijing air quality during the 2008 Olympic Games, this paper analyzes the variation of aerosol extinction coefficient observed with a Dual-wavelength Polarized Lidar in Beijing during the Olympic Games. The results show that (1) during the Beijing Olympic Games, the aerosol extinction coefficient decreased to about 42.3% in the surface layer (below 250 m) compared with that in 2007 under almost the same meteorological conditions, indicating the effecti... |
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Keywords: | Lidar extinction coefficient air pollution pollution control effect evaluation NAQPMS |
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