Preliminary Study on the Effect of Forest Fire on Total Ozone Changes

  • GUO Shichang ,
  • DUAN Xuemei ,
  • SU Jinlan ,
  • LI Huijing ,
  • CHANG Youli ,
  • CHEN Yan ,
  • ZHANG Xiunian
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  • Department of Atmospheric Sciences,Yunnan University,Kunming 650091, China;2. Qujing Meteorological Bureau,Yunnan, Qujing 655000, China;3. Meteorological Bureau of Yunnan Province, Kunming 650034, China

Received date: 2012-04-10

  Online published: 2014-04-28

Abstract

Based on the forest fires data, total O3 amount, aerosol index and flow field data, the effect of the biggest fire process happened in Heilongjiang Province in China and Indonesia on the atmospheric ozone was analyzed. The results show that: (1) The total ozone amount in the studying region and the leeward side area had increased in the period of fire disaster; (2) The extremely serious forest fire happened in Heilongjiang had released a large amount of atmospheric species gases, such as CO, NOX and CH4, which have some contribution to the O3 increase; (3) Further analysis the circulation feature revealed that, the increased ozone in March and April can be due to the ozone advective transportation by westerly wind, which can transfer the air containing high concentration ozone in high latitude to the studying region. While in May, the forest fire process played an important role in the O3 enhancement; (4) The increase of total ozone in Singapore and Philippines also seems to be related to the ozone precursor released from the forest fire.

Cite this article

GUO Shichang , DUAN Xuemei , SU Jinlan , LI Huijing , CHANG Youli , CHEN Yan , ZHANG Xiunian . Preliminary Study on the Effect of Forest Fire on Total Ozone Changes[J]. Plateau Meteorology, 2014 , 33(2) : 567 -573 . DOI: 10.7522/j.issn.1000-0534.2012.00196

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