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当前位置: 首页 > 文章 > 奎屯市大气环境中O_3与VOC_s、NO_x的关系 干旱区研究 2019 (3) 734-742
Position: Home > Articles > Relationships Among O_3,VOC_s and NO_x Concentrations over Kuitun City Arid Zone Research 2019 (3) 734-742

奎屯市大气环境中O_3与VOC_s、NO_x的关系

作  者：
郭宇宏;朱俏俏;杨春;王海林;张小啸;刘文江;杨荣江;田青
单  位：
新疆维吾尔自治区环境监测总站;奎屯市环境保护监测站;浙江省经济信息中心浙江省应对气候变化和低碳发展合作中心;中国科学院新疆生态与地理研究所荒漠与绿洲生态国家重点实验室;浙江大学环境科学与工程学科博士后流动站
关键词：
大气环境;VOC_s;O_3;NO_x;奎屯;新疆
摘  要：
以"奎屯—独山子—乌苏"区域重点城市奎屯为研究区域,利用2013—2015年O_3、VOC_s、NO_x监测数据,探讨奎屯市大气O_3与VOC_s、NO_x之间的关系。结果显示:2013—2015年依次出现33 d、14 d、10 d O_3超标现象,最大日均值分别为0. 457 mg·m~(-3)、0. 396 mg·m~(-3)、0. 385 mg·m~(-3),夏季O_3污染较重,冬季和夏季O_3浓度值相差近2. 5倍; O_3浓度日间变化呈现倒"U"形分布,峰值出现在17:00左右;冬季和夏季VOC_s浓度相差近3倍,VOC_s小时值没有较明显的日变化规律,冬季VOC_s浓度最高而O_3浓度最低,两者反向作用不明显,但NO_x浓度与O_3呈现对称的反向作用,说明冬季奎屯市O_3的生成处于NO_x敏感区而非VOC_s敏感区;夏季VOC_s与NO_x变化趋势基本相同,O_3浓度水平处于高位,两者呈现对称的反向作用,说明夏季奎屯市O_3的生成同时处于VOC_s和NO_x敏感区,O_3生成受VOC_s及NO_x的交替控制。
译  名：
Relationships Among O_3,VOC_s and NO_x Concentrations over Kuitun City
作  者：
GUO Yu-hong;ZHU Qiao-qiao;YANG Chun;WANG Hai-lin;ZHANG Xiao-xiao;LIU Wen-jiang;YANG Rong-jiang;TIAN Qing;Master Station for Environmental Monitoring of Xinjiang Uygur Autonomous Region;Zhejiang Province Center of Economic Information;Postdoctoral Research Station of Environmental Science and Engineering,Zhejiang University;National Key Laboratory of Desert and Oasis Ecology,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences;Kuytun Station of Environment Protection and Monitoring;
单  位：
GUO Yu-hong%ZHU Qiao-qiao%YANG Chun%WANG Hai-lin%ZHANG Xiao-xiao%LIU Wen-jiang%YANG Rong-jiang%TIAN Qing%Master Station for Environmental Monitoring of Xinjiang Uygur Autonomous Region%Zhejiang Province Center of Economic Information%Postdoctoral Research Station of Environmental Science and Engineering,Zhejiang University%National Key Laboratory of Desert and Oasis Ecology,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences%Kuytun Station of Environment Protection and Monitoring
关键词：
atmospheric environment;;VOC_s;;O_3;;NO_x;;Kuitun;;Xinjiang
摘  要：
In this paper,the relationships among O_3,VOC_s and NO_x concentrations over Kuytun City,Xinjiang,northwest China during the period of 2013-2015 were analyzed using the environmental monitoring data. Results showed that an apparent overload of O_3 concentration occurred over Kuytun City. O_3 concentration over the city was overloaded for 33,14 and 10 days during the period of 2013-2015,and the daily maximum concentrations of O_3 were 0. 457,0. 396 and 0. 385 mg·m~(-3),respectively. The heavy pollution of O_3 occurred in summer,and the value of O_3 concentration was 2. 5 times higher than that in winter. The curve of diurnal variation of O_3 pollution was reversely "U-shaped",and the peak value occurred around 17: 00 o'clock. The concentration of VOC_s in summer was 3 times higher than that in winter,and there was no significant diurnal variation. It was observed that the high concentration of VOC_s and low concentration of O_3 occurred in winter. In summer,VOC_s concentration changed with NO_x accordingly,and O_3 concentration was the highest. This study indicated that the O_3 pollution occurred mainly in the sensitive areas of VOC_s and NO_x,and controlled alternatively by VOC_sand NO_x.

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