Case study on transport of airborne particulate matters originated from Shanxi Province to the Beijing area

doi:10.7523/j.issn.2095-6134.2007.5.014

›› 2007, Vol. 24 ›› Issue (5): 636-640.DOI: 10.7523/j.issn.2095-6134.2007.5.014

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Case study on transport of airborne particulate matters originated from Shanxi Province to the Beijing area

ZHU Ling-Yun, CAI Ju-Zhen, ZHANG Mei-Gen, ZHANG Ren-Jian, REN Zhen-Hai

1 State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;

2 Zhejiang Climate Center, Hangzhou 310021, China;

3 Key Laboratory of Regional Climate-Environment Research for Temperate East Asia(REC-TEA), Institute of Atmospheric Physics, Chinese Academy of Sciences，Beijing 100029, China;

4 Chinese Research Academy of Environmental Sciences, Beijing 100012, China;

5 Graduate School of the Chinese Academy of Sciences, Beijing 100049, China;

6 Shanxi Province Meteorological Institute, Taiyuan 030002, China

Received:1900-01-01 Revised:1900-01-01 Online:2007-09-15

Abstract

Abstract: In this study transport processes of airborne particulates originated from Shanxi to the Beijing region during the period of 3 to 9 September 2002 are investigated by use of the Community Multi-scale Air Quality (CMAQ) modeling system with the meteorological fields simulated by the Regional Atmospheric Modeling System (RAMS). The influences of the complex terrain and the weather conditions on the transport processes as well as contribution of the pollutants from Shanxi to the particulate concentrations over Beijing are discussed. The results indicate that the pollutants emitted in Shanxi can be transported to Beijing along certain pathways, and these pathways are quite different due to the difference in source locations in Shanxi. Contributions of the Shanxi sources to the PM10 concentrations over Beijing are up to 10～30μg/m3 in the surface layer while up to 30～70μg/m3 at a height of 500m.

Key words: airborne particulates, air quality, CMAQ

CLC Number:

X511

ZHU Ling-Yun, CAI Ju-Zhen, ZHANG Mei-Gen, ZHANG Ren-Jian, REN Zhen-Hai. Case study on transport of airborne particulate matters originated from Shanxi Province to the Beijing area[J]. , 2007, 24(5): 636-640.

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Case study on transport of airborne particulate matters originated from Shanxi Province to the Beijing area

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