도시 소하천에서 유속, 비표면적에 따른 사상형 부착조류의 Chlorophyll-a 변화
분야
공학 > 환경공학
저자
안창혁 ( Chang Hyuk Ahn ) , 주진철 ( Jin Chul Joo ) , 이새로미 ( Sae Ro Mi Lee ) , 오주현 ( Ju Hyun Oh ) , 안호상 ( Ho Sang Ahn ) , 송호면 ( Ho Myeon Song )
발행기관
한국물환경학회(구 한국수질보전학회)
간행물정보
한국물환경학회지 2013년, 제29권 제4호, 551~558페이지(총8페이지)
파일형식
07709904.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    The feasibility of water supply as in-stream flow for Mangwall stream was analyzed in terms of water quality and cultivation periphyton using two different types of water resources (e.g., surface water and bank filtration from Han River basin) and three different types of media (e.g., tile, concrete and pebble). The concentrations of organic and inorganic contaminants from the bank filtration were lower than those from surface water by 17.5 ~ 55.0%. Using water samples collected from Mangwall stream, surface water, and bank filtration, chlorophyll-a, phaeopigment, and growth rate of periphyton were investigated. During 30 day incubation for each water sample, it was observed that filamentous cyanobacteria, Oscillatoriaceae, accounted for 98%, and water velocity of 5 cm/s was optimum for the in situ filamentous cyanobacteria growth. Also, it was deducted for water velocity and chl-a to have an inverse correlation. Meanwhile, the greater the specific surface area of media, the higher the concentration of chl-a. From these results, both water velocity and specific surface area of media should be considered as an combined parameter to deter the growth of filamentous cyanobacteria.
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