IEECAS OpenIR  > 粉尘与环境研究室
Summertime ozone formation in Xi'an and surrounding areas, China
Feng, Tian1,2,3; Bei, Naifang1,2; Huang, Ru-Jin2,4; Cao, Junji2,3; Zhang, Qiang5; Zhou, Weijian3; Tie, Xuexi2,3; Liu, Suixin2,3; Zhang, Ting2,3; Su, Xiaoli2,3; Lei, Wenfang6; Molina, Luisa T.6; Li, Guohui2,3
2016
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
Volume16Issue:7Pages:4323-4342
SubtypeArticle
AbstractIn this study, the ozone (O-3) formation in China's northwest city of Xi'an and surrounding areas is investigated using the Weather Research and Forecasting atmospheric chemistry (WRF-Chem) model during the period from 22 to 24 August 2013, corresponding to a heavy air pollution episode with high concentrations of O-3 and PM2.5. The model generally performs well compared to measurements in simulating the surface temperature, relative humidity, and wind speed and direction, near-surface O-3 and PM2.5 mass concentrations, and aerosol constituents. High aerosol concentrations in Xi'an and surrounding areas significantly decrease the photolysis frequencies and can reduce O-3 concentrations by more than 50 mu g m(-3) (around 25 ppb) on average. Sensitivity studies show that the O-3 production regime in Xi'an and surrounding areas is complicated, varying from NOx to VOC (volatile organic compound)-sensitive chemistry. The industrial emissions contribute the most to the O-3 concentrations compared to biogenic and other anthropogenic sources, but neither individual anthropogenic emission nor biogenic emission plays a dominant role in the O-3 formation. Under high O-3 and PM2.5 concentrations, a 50 % reduction in all the anthropogenic emissions only decreases near-surface O-3 concentrations by about 14 % during daytime. The complicated O-3 production regime and high aerosol levels pose a challenge for O-3 control strategies in Xi'an and surrounding areas. Further investigation regarding O-3 control strategies will need to be performed, taking into consideration the rapid changes in anthropogenic emissions that are not reflected in the current emission inventories and the uncertainties in the meteorological field simulations.
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.5194/acp-16-4323-2016
WOS KeywordSECONDARY ORGANIC AEROSOL ; FINE PARTICULATE MATTER ; RIVER DELTA REGION ; MEXICO-CITY BASIN ; WRF-CHEM MODEL ; SURFACE OZONE ; FIELD CAMPAIGN ; AIR-QUALITY ; METEOROLOGICAL UNCERTAINTIES ; MCMA-2006/MILAGRO CAMPAIGN
Indexed BySCI
Language英语
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000374703000007
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5772
Collection粉尘与环境研究室
Affiliation1.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, Key Lab Aerosol Chem & Phys, Xian, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China
4.Paul Scherrer Inst, Lab Atmospher Chem, Villigen, Switzerland
5.Tsinghua Univ, Dept Environm Sci & Engn, Beijing 100084, Peoples R China
6.Molina Ctr Energy & Environm, La Jolla, CA USA
Recommended Citation
GB/T 7714
Feng, Tian,Bei, Naifang,Huang, Ru-Jin,et al. Summertime ozone formation in Xi'an and surrounding areas, China[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2016,16(7):4323-4342.
APA Feng, Tian.,Bei, Naifang.,Huang, Ru-Jin.,Cao, Junji.,Zhang, Qiang.,...&Li, Guohui.(2016).Summertime ozone formation in Xi'an and surrounding areas, China.ATMOSPHERIC CHEMISTRY AND PHYSICS,16(7),4323-4342.
MLA Feng, Tian,et al."Summertime ozone formation in Xi'an and surrounding areas, China".ATMOSPHERIC CHEMISTRY AND PHYSICS 16.7(2016):4323-4342.
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