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Estimating Ozone Sensitivity Coefficients to NOx and VOC Emissions Using BFM and HDDM for A 2007 June Episode
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 Title & Authors
Estimating Ozone Sensitivity Coefficients to NOx and VOC Emissions Using BFM and HDDM for A 2007 June Episode
Kim, Soon-Tae;
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 Abstract
The accuracy of ozone sensitivity coefficients estimated with HDDM (High-order Decoupled Direct Method) can vary depending on the (Nitrogen Oxides) and VOC (Volatile Organic Compound) conditions. In order to evaluate the applicability of HDDM over the Seoul Metropolitan Area (SMA) during a high ozone episode in 2007 June, we compare BFM (Brute Force Method) and HDDM in terms of the -order ozone sensitivity coefficient to explain ozone change in response to changes in NOx and VOC emissions, and the -order ozone sensitivity coefficient to represent nonlinear response of ozone to the emission changes. BFM and HDDM estimate comparable ozone sensitivity coefficients, exhibiting similar spatial and temporal variations over the SMAduring the episode. NME (Normalized Mean Error) between BFM and HDDM for the episode average - and -order ozone sensitivity coefficients to NOx and VOC emissions are less than 3% and 9%, respectively. For the daily comparison, NME for the - and -order ozone sensitivity coefficients are less than 4% ( > 0.96) and 15% ( > 0.90), respectively. Under the emission conditions used in this study, two methods show negative episode average -order ozone sensitivity coefficient to emissions over the core SMA. The -order ozone sensitivity coefficient to emissions leads ozone to respond muchnonlinear to the reduction in emissions over Seoul. Nonlinear ozone response to reduction in VOC emissions is mitigated due to the -order ozone sensitivity coefficient which is much smaller than the -order ozone sensitivity coefficient to the emissions in the magnitude.
 Keywords
Ozone sensitivity coefficient;Brute Force Method;High-order Decoupled Direct Method;VOC and NOx emissions;Nonlinear ozone response;
 Language
Korean
 Cited by
1.
2007년 6월 수도권 오존모사 V - 배출량 변화에 따른 오존농도 예측 시 민감도기법 적용,김순태;

한국대기환경학회지, 2011. vol.27. 6, pp.772-790 crossref(new window)
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기린초와 비비추의 오존에 대한 생리·생화학적 반응,정효정;우수영;이성한;곽명자;김경남;

원예과학기술지, 2013. vol.31. 1, pp.1-7 crossref(new window)
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