天津市O3生成与其前体物NOx、VOCs排放的相关性研究

周阳1; 2; 王艳丽1; 4; 陈璐1; 2; 王伟2; 3; 张丽娜1; 2; 吉晟2; 3

引用本文:	ZHOU Yang1,2,WANG Yan li1,4,CHEN Lu1,2,WANG Wei2,3,ZHANG Li na1,2,JI Sheng2,3.Study of the Correlationship between O3 Generation and its Precursors NOx and VOCs Emission in Tianjin[J].Environmental Monitoring and Forewarning,2014,6(6):37~40

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天津市O3生成与其前体物NOx、VOCs排放的相关性研究
周阳1,2,王艳丽1,4，陈璐1,2，王伟2,3，张丽娜1,2，吉晟2,3^1,2
1.天津市环境保护科学研究院，天津 300191;2.天津市大气污染防治重点实验室，天津 300191

摘要:

以天津市2010年污染源普查数据中SO2、NOx及颗粒物排放数据以及各行业挥发性有机物调查核算数据为主要数据源，制作天津市大气污染物排放清单，用MM5模型模拟2010年天津市地区1、4、7、10月的气象场，通过CMAQ模型，设置不同计算情景，分析天津市p(03)变化与NOx及挥发性有机物的排放量变化关系。结果表明，天津市的O3生成处于VOCs控制区，随着天津市NOx减排力度的不断加大ρ(O3)可能呈上升趋势，在夏季，需要削减40%以上挥发性有机物，以避免ρ(O3)进一步上升。

关键词: 污染物排放清单多尺度空间质量模型挥发性有机物臭氧前体物天津市

DOI：

分类号:X515

基金项目:天津市自然基金应用基础重点项目(13JCZDJC36100)

Study of the Correlationship between O3 Generation and its Precursors NOx and VOCs Emission in Tianjin

ZHOU Yang1,2,WANG Yan li1,4,CHEN Lu1,2,WANG Wei2,3,ZHANG Li na1,2,JI Sheng2,3

Abstract:

The SO2 and NOx emission data from Tianjin pollution source survey of 2010 and industrial volatile organic compounds estimation data were used as main sources to establish Tianjin air pollutant emission inventory. The meteorological fields of Tianjin Area in January, April, July, October 2010 were simulated using MM5. Finally, CMAQ model was used and several scenarios were designed to analyze the correlation ship between the O3 concentration change and NOx and VOCs emission change. The results indicated that O3 generation in Tianjin was limited by VOCs.O3 concentration might continue to increase when more and more NOx emissions were cut down, but VOCs reduction was beneficial to O3 control. In summer, more than 40% VOCs emission was needed to be cut down to avoid the O3 increase in Tianjin. 

Key words: Pollutant Emission Inventory CMAQ VOCs O3 Precursors Tianjin city