2002Journal of Korea Water Resources AssociationRequires access

field Study on Effects of Runoff Reduction in the Infiltration Collector Well

Bok-Jin Jang, Woon-Kwang Yeo

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Abstract

본 연구에서는 우수유출저감시설 중 침투형 집수정의 효과를 규명하기 위하여 성남, 오산, 청주지역에 설치된 시범시설에서 실시간으로 현장계측을 수행하고 이들 자료를 분석하여 그 효과를 정량화하였다. 현장 강우자료와 수위 자료를 토대로 자 지점에 설치된 일반집수정과 침투집수정에서의 강우량에 따른 유출량을 비교하여 유출저감율과 첨두유량저감율을 총강우량, 평균10분강우강도, 최대10분강우강도에 따라서 각각 비교 분석하였다. 각 지점의 현장자료를 통하여 침투집수정의 강우량에 따른 유출량을 일반집수정과 비교한 결과 1개의 침투집수정이 평균 70%의 총유출량저감율과 40∼70%의 첨두유량 저감효과를 나타내었다. In order to investigate the performance of the infiltration collector well and its effect on the runoff reduction, real-time field measurements are carried out. Based on these field data measured at Seongnam, Osan and Cheongju sites, the runoff reduction volumes and the peaks-cut-rate are quantitatively analyzed and compared with the total rainfall amount, the 10min averaged and the 10min maximum rainfall intensity. This results show that the infiltration collector well is very effective to reduce the runoff in urban area, which gives environmentally the positive to supply ground waters. It is also presented that the infiltration collector well is able to reduce up to 70% of the runoff and 40~70% of peaks, compared to a general one.

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What this paper is about

본 연구에서는 우수유출저감시설 중 침투형 집수정의 효과를 규명하기 위하여 성남, 오산, 청주지역에 설치된 시범시설에서 실시간으로 현장계측을 수행하고 이들 자료를 분석하여 그 효과를 정량화하였다. 현장 강우자료와 수위 자료를 토대로 자 지점에 설치된 일반집수정과 침투집수정에서의 강우량에 따른 유출량을 비교하여 유출저감율과 첨두유량저감율을 총강우량, 평균10분강우강도, 최대10분강우강도에 따라서 각각 비교 분석하였다. 각 지점의 현장자료를 통하여 침투집수정의 강우량에 따른 유출량을 일반집수정과 비교한 결과 1개의 침투집수정이 평균 70%의 총유출량저감율과 40∼70%의 첨두유량 저감효과를 나타내었다. In order to investigate the performance of the infiltration collector well and its effect on the runoff reduction, real-time field measurements are carried out. Based on these field data measured at Seongnam, Osan and Cheongju sites, the runoff reduction volumes and the peaks-cut-rate are quantitatively analyzed and compared with the total rainfall amount, the 10min averaged and the 10min maximum rainfall intensity. This results show that the infiltration collector well is very effective to reduce the runoff in urban area, which gives environmentally the positive to supply ground waters. It is also presented that the infiltration collector well is able to reduce up to 70% of the runoff and 40~70% of peaks, compared to a general one.

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Available abstract

본 연구에서는 우수유출저감시설 중 침투형 집수정의 효과를 규명하기 위하여 성남, 오산, 청주지역에 설치된 시범시설에서 실시간으로 현장계측을 수행하고 이들 자료를 분석하여 그 효과를 정량화하였다. 현장 강우자료와 수위 자료를 토대로 자 지점에 설치된 일반집수정과 침투집수정에서의 강우량에 따른 유출량을 비교하여 유출저감율과 첨두유량저감율을 총강우량, 평균10분강우강도, 최대10분강우강도에 따라서 각각 비교 분석하였다. 각 지점의 현장자료를 통하여 침투집수정의 강우량에 따른 유출량을 일반집수정과 비교한 결과 1개의 침투집수정이 평균 70%의 총유출량저감율과 40∼70%의 첨두유량 저감효과를 나타내었다. In order to investigate the performance of the infiltration collector well and its effect on the runoff reduction, real-time field measurements are carried out. Based on these field data measured at Seongnam, Osan and Cheongju sites, the runoff reduction volumes and the peaks-cut-rate are quantitatively analyzed and compared with the total rainfall amount, the 10min averaged and the 10min maximum rainfall intensity. This results show that the infiltration collector well is very effective to reduce the runoff in urban area, which gives environmentally the positive to supply ground waters. It is also presented that the infiltration collector well is able to reduce up to 70% of the runoff and 40~70% of peaks, compared to a general one.

Key concepts: Surface runoff, Infiltration (HVAC), Environmental science, Hydrology (agriculture), Runoff curve number, Soil science, Meteorology, Geotechnical engineering

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