한국대기환경학회지 (Journal of Korean Society for Atmospheric Environment)

  • 제22권4호
  • /
  • Pages.477-486
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  • 2006
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  • 1598-7132(pISSN)
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  • 2383-5346(eISSN)
한국대기환경학회 (Korean Society for Atmospheric Environment)
권호 표지

2005년 도시지역의 건성침적량 산정에 관한 연구

Estimation of Dry Deposition in Urban Area, 2005

  • 신선아 (국립환경과학원 대기환경과) ;
  • 한진석 (국립환경과학원 대기환경과) ;
  • 이상덕 (국립환경과학원 대기환경과) ;
  • 최진수 (국립환경과학원 대기환경과)
  • Shin S.A. (Air Quality Division, National Institute of Environmental Research) ;
  • Han J.S. (Air Quality Division, National Institute of Environmental Research) ;
  • Lee S.D. (Air Quality Division, National Institute of Environmental Research) ;
  • Choi J.S. (Air Quality Division, National Institute of Environmental Research)
  • 발행 : 2006.08.01
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초록

Dry deposition fluxes for $SO_2$, particulate sulfate, nitrate, ammonium and $HNO_3$ were estimated in urban area for the time period January$\sim$ October 2005. Fluxes were generated using atmospheric concentration data collected both in Acid Deposition and Air Quality Monitoring Networks, and deposition velocities computed by combining land-use data with meteorological information. The resulting annually averaged $SO_2$, $NO_3$, and aerosol deposition velocities were found to be 0.4 cm/s, 4.3 cm/s and 0.1 cm/s, respectively, and thus deposition rates were 4.4 mg/$m^2$. day for $SO_2$, and 5.4 mg/$m^2$ . day for $NHO_3$, and particulate sulfate, ammonium and nitrate recorded 1.0 mg/$m^2$ . day, 0.4 mg/$m^2$ . day and 0.4 mg/$m^2$ day, respectively. Maximum for in seasonal variation of monthly averaged deposition velocities occurred in summer in contrast to $HNO_3$ showing peak in spring. There was no significant variation for aerosol. The dry to total (wet and dry) deposition contributed about 40% for sulfur and 28% for nitrogen species in this study.

키워드

참고문헌

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