Jie Li 1, Yuqia Zhang1, Zifa Wang1, Yele Sun1, Pingqing Fu1, Yingchun Yang2, Huili Huang1, Jianjun Li3, Qiang Zhang4, Chuanyao Lin6, Neng-Huei Lin5

  • 1 LAPC, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
  • 2 Chengdu University of Information Technology, Sichuan 610225, China
  • 3 China National Environmental Monitoring Centre, Beijing 100012, China
  • 4 Tsinghua University, Beijing 100084, China
  • 5 National Central University, Taoyuan 320, Taiwan
  • 6 Research Center for Environmental Changes, Academia Sinica, Taipei 11529, Taiwan

Received: September 27, 2016
Revised: February 13, 2017
Accepted: February 14, 2017
Download Citation: ||https://doi.org/10.4209/aaqr.2016.09.0422  

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Cite this article:
Li, J., Zhang, Y., Wang, Z., Sun, Y., Fu, P., Yang, Y., Huang, H., Li, J., Zhang, Q., Lin, C. and Lin, N.H. (2017). Regional Impact of Biomass Burning in Southeast Asia on Atmospheric Aerosols during the 2013 Seven South-East Asian Studies Project. Aerosol Air Qual. Res. 17: 2924-2941. https://doi.org/10.4209/aaqr.2016.09.0422


  • BB largely contributed to surface and column aerosols over Southeast Asia in spring.
  • Two transport pathways from Southeast Asia to the western Pacific were identified.
  • In the 1st pathway, BB plumes reached southwest China at ground level.
  • In the 2nd pathway, BB plumes reached western Pacific, at a level of 2500–4000 m.
  • BB emissions in FINNv1.5 likely overestimated observations by 35%–50%.



A nested air quality prediction modeling system (NAQPMS) with an online tracer-tagged module was utilized to investigate the regional impact of biomass burning (BB) on aerosols and source–receptor relationships in Southeast Asia during March–April 2013. NAQPMS could reproduce the three-dimensional spatial distribution of aerosols. Both monthly and episodic analyses indicated that BB significantly contributed to surface and column aerosol concentrations in Southeast Asia along two long-range transport pathways. In the first pathway, aerosols from BB were blown northward from the Indochina peninsula to southwestern provinces in China. The mean contributions of BB decreased from 70%–80% in the source regions to 10%–40% in southwestern China. Myanmar was the largest exporter. In the second pathway, PM2.5 emitted by BB was uplifted into the mid-altitudes (2000 m) in the Indochina peninsula and transported eastward to the western Pacific at altitudes of 2500–4000 m, passing the South China Sea, southern China and western Pacific. In downwind regions, BB contributed 30%–60% of aerosols at altitudes of 2000–4000 m and 10%–30% below 2000 m. A simple estimation based on source–receptor relationships showed that BB emissions were likely overestimated by 35%–50% in the Fire Inventory from National Center for Atmospheric Research (v1.5).

Keywords: PM2.5; Long-range transport; NAQPMS

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