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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
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
卷号16期号:7页码:4323-4342
文章类型Article
摘要In 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标题词Science & Technology ; Physical Sciences
DOI10.5194/acp-16-4323-2016
关键词[WOS]SECONDARY 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
收录类别SCI
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000374703000007
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5772
专题粉尘与环境研究室
作者单位1.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
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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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