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A Case Study of Long-Range Transport of Smoke Aerosols from Eastern Siberia to Northeast China in July 2014

Category: Urban Air Quality

Volume: 17 | Issue: 4 | Pages: 965-974
DOI: 10.4209/aaqr.2016.04.0166

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To cite this article:
Li, X., Xia, X., Song, J., Wu, Y., Zhang, X. and Zhang, R. (2017). A Case Study of Long-Range Transport of Smoke Aerosols from Eastern Siberia to Northeast China in July 2014. Aerosol Air Qual. Res. 17: 965-974. doi: 10.4209/aaqr.2016.04.0166.

Xiaojing Li1, Xiangao Xia 2,3, Jingjing Song2,3, Yufei Wu4, Xiaoling Zhang5, Renjian Zhang4

  • 1 National Satellite Meteorological Center, Beijing, China
  • 2 LAGEO, Institute of Atmospheric Physics, CAS, Beijing, China
  • 3 University of Chinese Acadmey of Sciences, Beijing , China
  • 4 RCE-TEA, Institute of Atmospheric Physics, CAS, Beijing, China
  • 5 Beijing Meteorology Bureau, Beijing, China


Longā€range transport of Siberian biomass burning was revealed.
Smoke was characterized by fine mode dominated aerosols with weak absorption.
Northeast China was seriously impacted by transport of smoke aerosols.


Long-range transport of biomass burning aerosols from Eastern Siberia to Northeast China in July 2014 was studied by using ground-based ambient measurements and satellite products. Intensive active fires were revealed in Eastern Siberia during the late of July by the Moderate Resolution Imaging Spectraradiometer (MODIS) active fire products. Under the favorable synoptic pattern, the smoke layer was transported to Northeast China, which led to significant enhancement of surface PM2.5 concentration. The peak PM2.5 concentration exceeded 100 μg m–3 that was 3–6 times larger than the background level. High aerosol optical depth at 550 nm with daily value exceeding 1.0 was observed at a background site in Northeast China. Smoke aerosols were characterized by fine-mode dominated particles with very weak absorption. Air quality in Northeast China was revealed to be potentially impacted by the long-range transport of smoke aerosols from Eastern Siberia during the biomass burning season, which probably impacted human health, weather and climate. Therefore, futher study on this issue is urgenly required for quantitatively evaluating potential contribution of long-range transport to regional air pollution in Northeast China.


Smoke Long-range transport Eastern Siberia Northeast China Air pollution

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