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http://dx.doi.org/10.5467/JKESS.2013.34.7.669

Numerical Study on the Ozone Formation Sensitivity of Precursors Using Adjoint Model around the South-eastern Area of the Korean Peninsula  

Park, Soon-Young (Division of Earth Environment System, Pusan National University)
Lee, Soon-Hwan (Department of Earth Science Education, Pusan National University)
Lee, Hwa Woon (Division of Earth Environment System, Pusan National University)
Kim, Dong-Hyeok (Division of Earth Environment System, Pusan National University)
Publication Information
Journal of the Korean earth science society / v.34, no.7, 2013 , pp. 669-680 More about this Journal
Abstract
Ozone sensitivity analysis with respect to $NO_x$ is conducted around the south-eastern area of the Korean Peninsula. WRF-CMAQ modeling system is used to simulate a local circulation and high ozone episode day. To analyze the sensitivity, the adjoint model for CMAQ is adopted in this study. The purpose of current study is to investigate the location that affects a day time ozone concentration of these receptors on the high ozone episode day. Adjoint sensitivity analysis for Daegu shows two areas of influence. One is the range from the neighboring location to Pohang and it affects mainly on the same day as receptor time. The other is the remote south-eastern area from Daegu. This remote influence area suggests that $NO_x$ emitted on the previous day can change the ozone concentration at receptor time. The influence area for Busan, on the other hand, is originated only from the emission on the previous day because the sea-breeze occurred on the episode day makes low influence of surrounding emission. The cross sectional analysis reveals that $NO_x$ advection is important not only near the surface of land but also around the height of boundary layer.
Keywords
adjoint sensitivity analysis; adjoint model; ozone; $NO_x$; WRF; CMAQ;
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Times Cited By KSCI : 5  (Citation Analysis)
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