• Title/Summary/Keyword: 대기확산모델

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Dispersion of Air Pollutants Dispersion and Odorous Materials in Cheon-an Second Industrial Complex (하절기 천안 제 2산업단지의 대기오염확산 및 악취물질에 관한 연구)

  • Chung, Jin-Do;Hong, Jeng-Hee;Kim, Su-Young;Kim, Jung-Tae;Choi, So-Jin
    • Journal of Korean Society of Environmental Engineers
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    • v.28 no.12
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    • pp.1316-1322
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    • 2006

  • The purpose of this study is to analyze the pattern distribution of the odorous compounds and air pollutants from the inventory sources in the Cheon-an second industrial complex. Twelve analysis including specified odor materials and air pollutants were concurrently measured during the month of August, 2005 to evalaute odor emission characterization in m3;or treatment facilities. Also, Concentration of air pollutants has been calculated by ISCST3 in ISC3 models. A Korean air diffusion modeling software, Air Master, was developed on a basis of diffusion theories adopted in U.S. EPA's ISC3 model to assess the air quality impact from the stacks. This investigation will be executed how large the complex pollutant sources such as industrial complex contribute to atmospheric environment and air quality of the surrounding the area as predicting by comparing and analyzing results of odorous compounds and air pollutants diffusion concentration model.

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Effect of Spatial/Temporal Resolution of Diagnostic Wind Field on Toxic Substance Dispersion (바람장의 공간적$\cdot$시간적 해상도가 유독물질 확산에 미치는 영향)

  • 김영성;오현선;김병욱;김종수
    • Proceedings of the Korea Air Pollution Research Association Conference
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    • 1999.10a
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    • pp.420-421
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    • 1999

  • 여천지역은 화학물질 누출사고 등 안전 사고 발생의 잠재적 위험이 높으나 (김영성 등, 1999), 복잡한 해안선의 여수 반도 해안지역에 산을 등지고 있어 해륙풍에 의한 일 변화와 지형 조건에 따른 국지 변화등 복잡한 형태의 바람장이 예상되는 지역이다. 이러한 지역에서의 확산현상은 환경영향평가에서 흔히 이용되고 있는 균일한 바람장 분포를 가정한 대기화산 예측과는 다른 결과를 보이며 (오현선, 김영성, 1999), 따라서 단순한 가우시안 플룸 모델을 이용한 확산 예측은 적용범위가 매우 제한적일 수밖에 없다.(중략)

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