상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제22권1호
  • /
  • Pages.159-168
  • /
  • 2008
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  • 1225-7672(pISSN)
  • /
  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
권호 표지

수질에 대한 대기건식침적의 영향 - 건식침적량 추정 방법론의 비교를 중심으로

Effect of Dry Deposition on Water Quality -The comparison of several methodologies for estimating dry deposition flux

  • 정장표 (경성대학교 건설환경공학부)
  • 투고 : 2008.01.03
  • 심사 : 2008.02.13
  • 발행 : 2008.02.15
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초록

A special field experiment has been carried out from March 2001 to June 2001 at the Changhowon in Kyunggi to investigate a better methodology for the estimation of dry deposition of pollutions applicable in Korea. In this study, dry deposition plate was used to measure of total and water soluble acidic mass fluxes, and CPRI(Coarse Particle Rotary Impactor), CI(Cascade Impactor) were also used to measure ambient concentrations in various particle size ranges. Sehmel-Hodgson model was used to estimate dry depostion velocity and Weibull probability distribution function was applied to get generalized particle size distribution for the size fractioned concentration data sampled by CPRI and CI. Atmospheric dry deposition fluxes of mass and ionic matters estimated by the various techniques(one-step, multi-step, equi-concentration, subdivision for only the coarse particle range, applying Weibull distribution function, etc.) were compared to flux data sampled by DDP. It was found out that the deposition fluxes estimation methodology calculated by the each particle size range devided by particle size distribution characteristics and the rapidly changed points of deposition velocity using Weibull probability distribution function was the most applicable.

키워드

과제정보

연구 과제 주관 기관 : 경성대학교

참고문헌

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