NDLI: Modeling tropospheric ozone formation over East China in springtime

Content Provider	Springer Nature Link
Author	Jiang, Fei Zhou, Peng Liu, Qian Wang, Tijian Zhuang, Bingliang Wang, Xiaoyuan
Copyright Year	2012
Abstract	In this study, we investigate the springtime O$_{3}$ formation over East China (April 2008) using the Weather Research and Forecasting Model with Chemistry (WRF/Chem). A simple process analysis scheme is added to WRF/Chem, which could calculate the contributions of photochemical and physical processes to O$_{3}$ formation. WRF/Chem calculates the hourly 3-D O$_{3}$ mixing ratios, photochemical O$_{3}$ production rates (CPR) and physical processes contribution rates (PCR) on a two nested domain system, with inner domain focusing on East China. Model evaluation shows that the modeled results agree relatively well with the observations. On the ground level, the high O$_{3}$ mixing ratios (>45 ppbv) are located over Fujian and Jiangxi provinces. The O$_{3}$ levels over the Yangtze River Delta (YRD) and northern Jiangsu are low (<30 ppbv). The distribution patterns of CPR and PCR over East China reveal that the high O$_{3}$ mixing ratios over Jiangxi and Fujian are caused by both local photochemical generation and regional transport, while the O$_{3}$ concentrations over the YRD region are transported and diffused from surrounding areas. In addition, the contributions of biogenic and anthropogenic emissions as well as the regional transport from domain’s upstream regions are discussed. On average, the biogenic and anthropogenic emissions account for 2.6 and 4.5 ppbv of daytime mean O$_{3}$ mixing ratios in East China, respectively.
Starting Page	303
Ending Page	319
Page Count	17
File Format	PDF
ISSN	01677764
Journal	Journal of Atmospheric Chemistry
Volume Number	69
Issue Number	4
e-ISSN	15730662
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-12-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ozone Photochemical generation Biogenic emissions Regional transport East China Meteorology/Climatology Atmospheric Protection/Air Quality Control/Air Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Atmospheric Science

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