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高原气象  2014 

特大森林火灾对O3总量变化影响的初步分析

DOI: 10.7522/j.issn.1000-0534.2012.00196, PP. 567-573

Keywords: 森林火灾指数,气溶胶指数,O3,平流效应

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Abstract:

利用O3数据、气溶胶指数和风场观测资料,对发生在中国黑龙江大兴安岭和印度尼西亚地区的特大火灾进行了分析。结果表明:(1)在火灾发生后,研究区及下风方区域O3总量均有增加;(2)此次黑龙江火灾释放出的CO、NOX、CH4等大气成分是造成5月O3总量增加的主要原因;(3)进一步分析黑龙江火灾发生时期的环流形势发现,火灾发生前,3、4月O3总量的增加来源于西风气流对中高纬高浓度O3的平流输送,而5月则与火灾有较为密切的关系;(4)新加坡和菲律宾地区O3含量增加似乎也与O3前体物有关。

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