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NTIS 바로가기한국물환경학회지 = Journal of Korean Society on Water Environment, v.33 no.6, 2017년, pp.670 - 679
윤석제 (국립환경과학원 한강물환경연구소) , 김헌년 (국립환경과학원 한강물환경연구소) , 김용진 (국립환경과학원 한강물환경연구소) , 임종권 (국립환경과학원 한강물환경연구소) , 이은정 (국립환경과학원 한강물환경연구소) , 유순주 (국립환경과학원 한강물환경연구소)
An experiment to study the effect of temperature, light, and dredging on release of nutrients downstream from Gongjicheon in the Uiam reservoir was carried out in the laboratory using sediments from different depths. At various water temperatures, dissolved total nitrogen was not released, but the a...
핵심어 | 질문 | 논문에서 추출한 답변 |
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하천이나 호수에서 퇴적물 제거가 부영양화된 수역이 내부 부하를 줄이고 호수의 남조류의 발생을 예방하는데 사용되는 이유는 무엇인가? | 퇴적물 용출에 의한 내부 부하는 호수가 부영양화로부터 개선되는 것을 억제하며, 외부부하량보다 내부부하량이 높을경우 점오염원 및 비점오염원 등의 유역 오염원을 관리하는 것만으로는 호수의 부영양화를 개선하는데 한계가 있다(Dose et al., 1992; Jung and Cho, 2003). | |
퇴적물 제거의 주된 목표는 무엇인가? | 퇴적물 제거의 주된 목표는 퇴적물에 풍부하게 존재하는 오염물질을 제거하기 위함이며, 이로 인한 퇴적층에서 수체로의 용출을 억제하는 것이다. 그러나 퇴적물의 제거가 호수의 수환경 개선에 적극적인 도움이 되는 것은 아니다. | |
식물플랑크톤 및 저서성 남조류의 군집과 출현량을 분석한 이유는 무엇인가? | 빛의 유무에 따라 조류의 성장과 호흡으로 인해 수중 영양염류의 농도가 달라지므로 식물플랑크톤 및 저서성 남조류의 군집과 출현량을 분석하였다. 저서성 남조류 분석을 위해서 직경 1 cm 크기의 퇴적물 표면을 흡입기를 통해 채집하였다. |
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