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KMID : 1024520070160080985
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Journal of the Environmental Sciences
2007 Volume.16 No. 8 p.985 ~ p.994
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A Numerical Simulation of High Ozone Episode Using OZIPR in Busan
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Do Woo-Gon
Lee Hwa-Woon
Jung Woo-Sik
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Abstract
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To investigate the effect of NOx and VOCs(volatile organic compounds) on the generation of high ozone episode, examined the hourly variations of ozone, NOx and VOCs concentrations, and calculated the ozone isopleth about maximum ozone concentrations using OZIPR which was presented by U. S. EPA at three sites in Busan. There was some difference by the sites, but decreasing VOCs concentration was effective for reduction of ozone at 22 July, the episode day of 2005. In the year 2006, the episode day was 8 August and the variations of NOx and VOCs concentration was little than variation of ozone. So it was estimated that the photochemical production of ozone was low than transportation of ozone. And the result of the OZIPR modeling was that decreasing VOCs concentration was effective for reduction of ozone.
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KEYWORD
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Ozone isopleth, VOCs, NOx, OZIPR
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