체류시간이 식생수로 저감효율에 미치는 영향

백승봉; 길경익

서지반출

국문초록

현재까지 국내에서 수질관리 정책이 점오염원 관리를 우선 시 하고 있다. 비점오염원은 배출특성, 배출지점 및 배출량의 파악에 매우 어려움이 있다. 이러한 비점오염 관리를 위해 다양한 비점오염저감시설들에 대한 개발 및 연구가 진행되고 있다. 비점오염시설의 평가를 위해 다양한 효율산정 방법들이 제시되고 있다. 본 연구에서는 강우 시 식생수로 모니터링 결과를 통해 체류시간이 저감효율에 미치는 영향에 대해 연구를 수행하였다. 또한 여러 가지 저감효율 산정 방법에 따른 차이를 비교하고자 하였다. 식생수로에서 체류시간에 따른 효율 분석 결과 체류시간이 길수록 저감효율도 높아지는 것으 로 나타났다. 이는 식생수로의 안정적인 저감효율을 확보하기 위해선 충분한 체류시간이 확보 되어야 한다고 판단된다.

영문초록

Recently the water quality management policy gives priority to management the point source. Non-point pollution source is difficult to comprehend because those don't have certain outflow point and emission. There are many development and research about BMPs for manage the Non-point pollution source. Various methods of removal efficiency are presented for assessment of Best Management Practices (BMPs). In this study, retention time have effect on removal efficiency based on monitoring results of Grassed Swale is studied. Also, Compare a difference according to various methods of Grassed Swale removal efficiency. The result of removal efficiency analysis depending on retention time of Grassed Swale, removal efficiency is higher as retention time increases. To obtain a stable removal efficiency of Grassed Swale, retention time of Grassed Swale should be secure.

키워드

비점오염원 비점오염저감시설 식생수로 저감효율 체류시간 Non-point pollution source BMPs Grassed Swale Removal Efficiency Retention Time

참고문헌 (15건)

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