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北京城市大气中NOx、CO、O3的变化规律研究
The study on the Variation of NO x ,CO and O 3 in Beijing Urban Atmosphere
【摘要】 对北京市大气中O3浓度变化规律及O3浓度变化与NOx、CO浓度变化之间的关系进行了研究.结果表明:O3浓度随温度指数上升,O3浓度和NOx、CO浓度变化之间无简单规律可寻.但在25—38℃温度范围内,O3浓度和NOx、CO浓度随温度变化趋势相反;在33—38℃温度范围内,O3浓度和NOx浓度随温度变化呈反对称.从O3浓度逐月变化分析,O3浓度变化与目前常用理论模式不符,可能的原因是大气中液态含水量对O3浓度具有一定影响.
【Abstract】 The variation of O 3 concentration was analyzed,and relationship between O 3 and NO x ,CO concentration was studied in Beijing urban atmosphere.It indicated that no simply rule was found between variation of O 3 concentration and variations of NO x ,CO concentration.O 3 concentration exponentially increased against temperature.In the range of 25 to 38℃,the variation of O 3 concentration was the reverse of that of NO x and CO concentration.In the range of 33 to 38℃,the variations of O 3 concentration show antisymmetric to that of NO x concentration.Depended on monthly variation of O 3 concentration,variation of O 3 concentration didn’t obey previous theories.It was the most possible reason that liquid water had impact on O 3 concentration.
【Key words】 photochemical; O 3; NO x; temperature; atmospheric determination; Beijing urban.;
- 【文献出处】 环境科学 ,CHINESE JOURNAL OF ENVIROMENTAL SCIENCE , 编辑部邮箱 ,1999年01期
- 【分类号】X823,X21
- 【被引频次】71
- 【下载频次】528