Analysis of Nonmethane Organic Compounds（NMOCs） Measurements in Urban ShanghaiChinese Full Text
RAN Liang1,ZHAO Chunsheng1,GENG Fuhai2,PENG Li2,ZHOU Guangqiang2,YU Qiong2,XU Jianming2 1.Department of Atmospheric Science,School of Physics,Peking University,Beijing 100871;2.Shanghai Meteorological Administration,Shanghai 200030;
Abstract: The study of general status of NMOCs,NMOCs composition and ozone formation potentials of various NMOCs species help better understand the ozone problem and make effective ozone abatement strategies in NMOCs-sensitive regime.Analysis of NMOCs 24-hours sampling from November 6,2005 to August 8,2007 in urban Shanghai Xujiahui indicates that daily NMOCs display no apparent seasonal variation with average concentration of about 50 ppbv.The major components are alkanes,alkenes and aromatics.Due to their relatively high reactivities and concentrations,aromatics play a dominant role in contributing to ozone photochemical production.Toluene,xylene,ethylbenzene,butene and propene are found to be among the top list of ozone formation potentials.NMOCs in urban Shanghai are largely of anthropogenic origin.They are mainly from vehicular exhausts,evaporation of solvents and architectural materials and emissions from the petrochemical complex in the southern Jinshan District.
- DOI：
10.13209/j.0479-8023.2010.029
- Series：
- Subject：
- Classification Code：
X831
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