한국습지학회지 (Journal of Wetlands Research)

  • 제17권4호
  • /
  • Pages.325-331
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  • 2015
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  • 1229-6031(pISSN)
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  • 2384-0056(eISSN)
한국습지학회 (Korean Wetlands Society)
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지붕 빗물이용을 위하여 개발된 침투화분의 환경·수문학적 평가

Hydrologic and Environmental Assessment of an Infiltration Planter for Roof Runoff Use

  • 문소연 (공주대학교 건설환경공학부) ;
  • 최지연 (공주대학교 건설환경공학부) ;
  • 홍정선 (공주대학교 건설환경공학부) ;
  • 전제찬 (공주대학교 건설환경공학부) ;
  • 유기경 (공주대학교 건설환경공학부) ;
  • ;
  • 김이형 (공주대학교 건설환경공학부)
  • Moon, So-Yeon (Department of Civil and Environmental Engineering, Kongju National University) ;
  • Choi, Ji-Yeon (Department of Civil and Environmental Engineering, Kongju National University) ;
  • Hong, Jung-Sun (Department of Civil and Environmental Engineering, Kongju National University) ;
  • Yu, Gi-Gyung (Department of Civil and Environmental Engineering, Kongju National University) ;
  • Jeon, Je-Chan (Department of Civil and Environmental Engineering, Kongju National University) ;
  • Flores, Precious Eureka D. (Department of Civil and Environmental Engineering, Kongju National University) ;
  • Kim, Lee-Hyung (Department of Civil and Environmental Engineering, Kongju National University)
  • 투고 : 2015.05.06
  • 심사 : 2015.07.15
  • 발행 : 2015.11.30
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초록

불투수면의 증가와 도시화 현상은 지하수량의 감소, 지표수의 고갈, 홍수의 증가 등과 같은 자연적인 물순환 시스템에 변화를 가져왔다. 또한, 인간이 사용할 수 있는 수량의 감소 또한 초래하게 되었다. 이에 빗물의 적절한 처리와 재활용은 최근 발생되는 수문학적 문제의 해결에 도움이 될 수 있을 것으로 예상되어왔다. 따라서 본 연구는 지붕빗물유출수를 침투 및 저류 기작으로 처리하여 자연적인 물순환의 회복을 이루고자 침투화분 기술을 개발하였다. 연구결과, 침투화분 기술은 평균 79% 정도의 강우유출유량 저감효과가 있는 것으로 분석되었다. 또한 유출유량 지연효과 및 첨두유량 지연효과도 발생하였는데, 약 3시간의 유출지연효과와 38%의 유량 저감효과가 발생하는 것으로 나타났다. 한편, 침투화분의 오염물질 처리효율은 TSS 97%, BOD 및 CODcr 94%, TN 86%, TP 96%, Total Cu, Total Zn, Total Pb의 중금속은 약 93% 처리되었으며, 처리수의 오염물질 농도는 TSS 13.3mg/L, BOD 3.6mg/L, TN 4.7mg/L 및 TP 0.1mg/L로 분석되어 도시재이용수, 조경용수, 공업용수로서 사용이 가능할 것으로 분석되었다.

Due to urbanization and increase in impervious area, changes in natural water circulation system have become a cause of groundwater recharge reduction, streamflow depletion and other hydrological problems. Therefore, this study developed the infiltration planter techniques applied in an LID facility treating roof stormwater runoff such as, performance of small decentralized retention and infiltration through the reproduction of natural water circulation system and use of landscape for cleaning water. Assessment of an infiltration planter was performed through rainfall monitoring to analyze the water balance and pollutant removal efficiency. Hydrologic assessment of an infiltration planter, showed a delay in time of effluent for roof runoff for about 3 hours and on average, 79% of facilities had a runoff reduction through retention and infiltration. Based on the analysis, pollutant removal efficiency generated in the catchment area showed an average of 97% for the particulate matter, 94% for the organic matter and 86-96% and 92-93% for the nutrients and heavy metals were treated, respectively. Comparative results with other LID facilities were made. For this study, facilities compared the SA/CA to high pollutant removal efficiency for the determination to of the effectiveness of the facility when applied in an urban area.

키워드

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