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南京地区大气颗粒物影响近地面臭氧的个例研究

蔡彦枫 王体健 谢旻 韩永

蔡彦枫, 王体健, 谢旻, 韩永. 南京地区大气颗粒物影响近地面臭氧的个例研究[J]. 气候与环境研究, 2013, 18(2): 251-260. doi: 10.3878/j.issn.1006-9585.2012.11111
引用本文: 蔡彦枫, 王体健, 谢旻, 韩永. 南京地区大气颗粒物影响近地面臭氧的个例研究[J]. 气候与环境研究, 2013, 18(2): 251-260. doi: 10.3878/j.issn.1006-9585.2012.11111
CAI Yanfeng, WANG Tijian, XIE Min, HAN Yong. Impacts of Atmospheric Particles on Surface Ozone in Nanjing[J]. Climatic and Environmental Research, 2013, 18(2): 251-260. doi: 10.3878/j.issn.1006-9585.2012.11111
Citation: CAI Yanfeng, WANG Tijian, XIE Min, HAN Yong. Impacts of Atmospheric Particles on Surface Ozone in Nanjing[J]. Climatic and Environmental Research, 2013, 18(2): 251-260. doi: 10.3878/j.issn.1006-9585.2012.11111

南京地区大气颗粒物影响近地面臭氧的个例研究

doi: 10.3878/j.issn.1006-9585.2012.11111
基金项目: 国家重点基础研究发展计划2010CB428503、2011CB403406;国家科技部公益行业(气象)科研专项GYHY200806001-1;国家自然科学基金青年科学基金项目40805059;江苏省自然科学基金项目BK2009256

Impacts of Atmospheric Particles on Surface Ozone in Nanjing

  • 摘要: 通过对2008年4月2~7日南京地区地面气象观测数据以及两个站点空气质量(O3、NOx、PM10)监测资料的分析, 发现O3和PM10之间存在一定程度的反相关。利用一个光化学箱模式对该个例中大气颗粒物影响近地面臭氧的过程进行模拟, 结果发现大气颗粒物浓度的升高使得气溶胶光学厚度增加20%~40%, 导致NO2和O3近地面光解率下降20%~30%, OH和HO2自由基浓度分别减少20%~50%, 造成O3净生成率下降30%~40%。研究表明, 颗粒物对光化学过程的抑制造成了大气氧化能力的降低, 是近地面臭氧浓度减少的可能原因。
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出版历程
  • 收稿日期:  2011-07-20
  • 修回日期:  2013-01-26

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