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http://dx.doi.org/10.5322/JES.2010.19.3.269

Numerical Simulation and Process Analysis Using the MM5-CMAQ in Yangsan on High Ozone Days during Spring and Summer  

Kim, Yoo-Keun (Division of Earth Environmental System, Pusan National University)
Park, Sang-Hyun (Environment Division, Korea Engineering Consultants Corporation)
Kang, Jae-Eun (Division of Earth Environmental System, Pusan National University)
Song, Sang-Keun (Division of Earth Environmental System, Pusan National University)
Publication Information
Journal of Environmental Science International / v.19, no.3, 2010 , pp. 269-279 More about this Journal
Abstract
The relative contributions of physical and chemical processes to the production of ozone ($O_3$) were evaluated based on an integrated process rate (IPR) analysis using the MM5/CMAQ in a downtown (i.e., Yangsan_U) and suburban area (i.e., Ungsang) on high ozone days during spring and summer in 2006 (28 April and 8 August 2006). The IPR includes a horizontal advection (HADV) and diffusion (HDIF), a vertical advection (ZADV) and diffusion (VDlF), a dry deposition (DDEP), and a chemistry (CHEM). The VDIF in Yangsan_U was found to be the most dominant contributor (29.5% in spring and 32.1% in summer) to high $O_3$ concentrations, followed by the HADV and ZADV. In contrast, the contributions of the HADV (40.3% in spring and 32.3% in summer) in Ungsang were significantly higher than those of VDIF and ZADV. Moreover, $O_3$ production due to the chemical effect in the two areas (especially in Ungsang) during summer was found to be moderately higher than that during spring.
Keywords
Ozone; MM5/CMAQ; Process analysis; Contributions;
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Times Cited By KSCI : 2  (Citation Analysis)
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