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Impact of biomass burning on haze pollution in the Yangtze River delta, China: a case study in summer 2011
Cheng, Z (Cheng, Z.)[ 1,2 ]; Wang, S (Wang, S.)[ 1,2,3 ]; Fu, X (Fu, X.)[ 1,2 ]; Watson, JG (Watson, J. G.)[ 4,9 ]; Jiang, J (Jiang, J.)[ 1,2,3 ]; Fu, Q (Fu, Q.)[ 5 ]; Chen, C (Chen, C.)[ 6 ]; Xu, B (Xu, B.)[ 7 ]; Yu, J (Yu, J.)[ 8 ]; Chow, JC (Chow, J. C.)[ 4,9 ]; Hao, J (Hao, J.)[ 1,2,3 ]
2014
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
Volume14Issue:9Pages:4573-4585
Subtype期刊论文
Abstract

Open biomass burning is an important source of air pollution in China and globally. Joint observations of air pollution were conducted in five cities (Shanghai, Hangzhou, Ningbo, Suzhou and Nanjing) of the Yangtze River delta, and a heavy haze episode with visibility 2.9-9.8 km was observed from 28 May to 6 June 2011. The contribution of biomass burning was quantified using both ambient monitoring data and the WRF/CMAQ (Weather Research and Forecasting (WRF) and Community Multiscale Air Quality (CMAQ)) model simulation. It was found that the average and maximum daily PM2.5 concentrations during the episode were 82 and 144 mu gm(-3), respectively. Weather pattern analysis indicated that stagnation enhanced the accumulation of air pollutants, while the following precipitation event scavenged the pollution. Mixing depth during the stagnant period was 240-399 m. Estimation based on observation data and CMAQ model simulation indicated that biomass open burning contributed 37% of PM2.5, 70% of organic carbon and 61% of elemental carbon. Satellite-detected fire spots, back-trajectory analysis and air quality model simulation were integrated to identify the locations where the biomass was burned and the pollutants transport. The results suggested that the impact of biomass open burning is regional, due to the substantial inter-province transport of air pollutants. PM2.5 exposure level could be reduced 47% for the YRD region if complete biomass burning is forbidden and significant health benefit is expected. These findings could improve the understanding of heavy haze pollution, and suggest the need to ban open biomass burning during post-harvest seasons.

DOI10.5194/acp-14-4573-2014
Indexed BySCI
Language英语
Citation statistics
Cited Times:110[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9696
Collection粉尘与环境研究室
Corresponding AuthorWang, S (Wang, S.)[ 1,2,3 ]
Affiliation1.School of Environment, and State Key Joint Laboratory of Environment Simulation and Pollution Control, TsinghuaUniversity, Beijing 100084, China;
2.State Environmental Protection Key Laboratory of Sources and Control of Air Pollution Complex, Beijing 100084, China;
3.Division of Atmospheric Sciences, Desert Research Institute, 2215 Raggio Parkway, Reno, NV 89512, USA;
4.Shanghai Environmental Monitoring Center, Shanghai 200030, China;
5.Shanghai Academy of Environmental Sciences, Shanghai 200233, China;
6.Zhejiang Environmental Monitoring Center, Hangzhou 310015, China;
7.Jiangsu Environmental Monitoring Center, Nanjing 210036, China;
8.SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China
Recommended Citation
GB/T 7714
Cheng, Z ,Wang, S ,Fu, X ,et al. Impact of biomass burning on haze pollution in the Yangtze River delta, China: a case study in summer 2011[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2014,14(9):4573-4585.
APA Cheng, Z .,Wang, S .,Fu, X .,Watson, JG .,Jiang, J .,...&Hao, J .(2014).Impact of biomass burning on haze pollution in the Yangtze River delta, China: a case study in summer 2011.ATMOSPHERIC CHEMISTRY AND PHYSICS,14(9),4573-4585.
MLA Cheng, Z ,et al."Impact of biomass burning on haze pollution in the Yangtze River delta, China: a case study in summer 2011".ATMOSPHERIC CHEMISTRY AND PHYSICS 14.9(2014):4573-4585.
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