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NTIS 바로가기생태와 환경 = Korean journal of ecology and environment, v.51 no.1, 2018년, pp.135 - 147
곽성진 (강원대학교 지구환경시스템공학과) , 발데브 (강원대학교 지구환경시스템공학과) , 김기영 (강원대학교 지구환경시스템공학과) , 강필구 (국립환경과학원) , 허우명 (강원대학교 지구환경시스템공학과)
In order to investigate the runoff characteristics of nonpoint source pollutants in the Lake Doam watershed, water quality and flow rate were monitored for 38-rainfall events from 2009 to 2016. The EMC values of SS, COD, TN and TP were in the range of 33~2,169, 3.5~56.9, 0.09~7.65 and
핵심어 | 질문 | 논문에서 추출한 답변 |
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강우사상별 유량가중평균농도는 무엇인가? | 강우사상별 유량가중평균농도(EMC, Event mean concentration)는 일반적으로 강우사상에서 농도를 나타내는 지표로 사용된다. 이는 강우유출수의 경우 강우강도와 지속시간에 따라 시간대별로 급격히 변화하기 때문이다(Charbeneauet al. | |
강우 시 비점오염물질의 유출은 어떠한 특성을 보이는가? | , 2017). 강우 시 비점오염물질의 유출은 하천 내에서 최대유출량이 발생하기 전에 매우 높고 최대유출량 발생 이후에 점점 낮아지는 특성을 보이며(Choi et al., 1999), 기후, 지형 및 수문학적 조건에 따라 간헐적이고 분산된 형태로 수계에 유입되는 다양한 유출특성을 보인다(Bedient et al. | |
Mann-Kendall Test는 어떠한 장점이 있는가? | Mann-Kendall Test는 비모수 통계방법(Non-parametric Statistical Method)의 하나로 장기적인 시계열 자료의 경향성을 분석하는 데 이용되며, 자료 값(data values) 자체보다는 샘플 자료(sample data)의 상대적인 크기를 비교한다(Gilbert, 1987). 이 분석은 표본자료의 특성에 민감하지 않고 결측치나 분석한계를 벗어나는 자료에 대해서도 적용이 가능하다는 장점이 있다(Jaagus, 2006). Sen’s Slope estimator는 Sen (1968)에의해서 제안된 방법으로, 특이 값에 영향을 받지 않으며 자료의 누락이나 오류가 있는 경우에도 분석이 가능하다. |
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