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HUANG Qing, CHENG Shui-yuan, SU Fu-qing, CHEN Dong-sheng, ZHOU Ying, LI Yue. Process Analysis of a PM10 Pollution Event in Beijing City[J]. Journal of Beijing University of Technology, 2011, 37(11): 1743-1748.
Citation: HUANG Qing, CHENG Shui-yuan, SU Fu-qing, CHEN Dong-sheng, ZHOU Ying, LI Yue. Process Analysis of a PM10 Pollution Event in Beijing City[J]. Journal of Beijing University of Technology, 2011, 37(11): 1743-1748.
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Process Analysis of a PM10 Pollution Event in Beijing City

  • 1. College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China;

  • 2. Department of Enviromental Engineering, Jinan University, Guangzhou 510632, China;

  • 3. Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China;

  • 4. Chinese Research Academy of Environmental Sciences, Beijing 100012, China

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  • Received Date: October 14, 2009
  • Available Online: December 02, 2022
    Graphical Abstract
    • Abstract
  • In this paper,a coupled MM5-CAMx modeling system and meteorological observation data were used to analyze a PM10 air pollution event in Beijing.The PSAT technique was applied to source apportion Beijing PM10 contributions to source emission from different regions in North China.The result of modeling system indicated that PM10 trans-boundary transportation especially the emission from Hebei and Tianjin was the trigger of this PM10 pollution event in Beijing.Meteorological observation diagnose confirmed that this PM10 pollution event in Beijing was influenced by regional meteorological factors,and concluded that the high PM10 concentration process in this event could be divided into two phases.In phase 1,trans-boundary transportation by southwest wind which increased the PM10 concentration in Beijing was the cause of this PM10 pollution event.In phase 2,even pressure and weak low pressure field which caused the PM10 convergence from Beijing local emission maintained this process of high PM10 concentration.In addition,PM10 trans-boundary transportation from Tianjin by southeast wind also promoted the high PM10 concentration in phase 2.
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    • References (10)
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