Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Application of the STEM II to air pollutant transport/chemistry/deposition in the Korea and Eastern China Area - I. Data preparation and Model verification

STEM II를 이용한 한국과 중국동부 지역의 대기오염물질 이동/화학/침착 모사에 관한 연구 - I. 입력자료 작성과 모델 검증

  • 이상인 (인하대학교 환경공학과 대기오염제어연구실) ;
  • 조석연 (인하대학교 환경공학과 대기오염제어연구실) ;
  • 심상규 (한국과학기술연구원)
  • Published : 1994.12.01
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Abstract

The STEM II(Sulfur Transport Eulerian Model II) was adapted to simulate transport/ chemistry/deposition of air Pollutants in the Eastern China and Korea. A 32 hour model simulation starting from 9 A.M. of 1989 November 25 during which no preciptation was observed. The Prevailing wind direction is from west to east. The MM4(Meteorological Model Version 4) was used to generate meteorological data such as temperatures, horizontal wind velocities and directions, humidities, air densities. Eddy diffusivities, dry deposition velocities and vertical wind velocities were calculated from the meteorological data. The initial condition and the emission data base were constructed from the measurements and governmental reports respectively. The model predictions of NO, NO$_2$, SO$_2$, $O_3$ at Seoul, Inchon and Pusan agree reasonably well with measurements. The model's predictability for the primary air pollutants is improved considerably as the time passes. Thus, it is concluded that the model's predictability can be significantly enhanced by reducing the uncertainties of initial conditions.

Keywords

References

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