Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Numerical Simulation of Dispersion Fields of SO2 according to Atmospheric Flow Field to Reflect local characteristics in Complex Coastal Regions

복잡한 해안지역의 지역특성을 고려한 대기 유동장에 따른 SO2

  • Lee Hwa Woon (Department of Atmospheric Science, Pusan National University) ;
  • Won Hye Young (Department of Atmospheric Science, Pusan National University) ;
  • Choi Hyun-Jung (Department of Atmospheric Science, Pusan National University) ;
  • Lee Kang-Yeol (Department of Atmospheric Science, Pusan National University) ;
  • Kim Hyun-Goo (Research Institute of Industrial Science & Technology)
  • Published : 2005.03.01
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Abstract

Recently air quality modeling studies for industrial complex and large cities located in the coastal regions have been carried out Especially, the representation of atmospheric flow fields within a model domain is very important, because an adequate air quality simulation requires an accurate portrayal of the realistic three­dimensional wind fields. Therefore this study investigated effect of using high resolution terrain height data and FDDA with observational data to reflect local characteristics in numerical simulation. So the experiments were designed according to FDDA and the detail terrain height with 3sec resolution or not Case 30s was the experiment using the terrain height data of USGS without FDDA and Case 3s was the experiment using the detail terrain height data of Ministry of Environment without FDDA and Case 3sF was experiment using the detail terrain height data of Ministry of Environment with FDDA. The results of experiments were more remarkable, In Case 3s and Case 3sF, temperature indicated similar tendency comparing to observational data predicting maximum temperature during the daytime and wind speed made weakly for difference of terrain height Also Case 3sF had more adequate tendency than Case 3s at dawn.

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References

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