빗물펌프장에 설치된 인공습지의 비점오염원 저감효율 연구
A Study of Non-point Source Reduction Efficiency by Constructed Wetland installed in Flood Pumping Station
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The aim of this study was evaluated the effects of total rainfall, rainfall intensity and antecedentdry days and identify the correlation analysis with the EMC removal efficiency, in order to providean understanding of the operation and maintenance factors of constructed wetland in floodpumping station. This study was conducted total of 20 monitoring in a catchment(326.2 ha) ofconstructed wetland in Ga-un flood pumping station located at the downstream of the Wang-sukstream. The determined EMC removal efficiencies were 36.04±9.45% for BOD, 38.50±13.50% forCODMn, 34.34±13.05% for TN and 34.22±14.27% for TP, respectively. These results showed that thepollutants concentration and EMC were reduced while passing through the constructed wetland. In the correlation analysis, the highly correlations with EMC removal efficiency of BOD and CODMnwere observed for total rainfall and rainfall intensity (P<0.05). However, the correlations were notfound with TN and TP for rainfall variables.
Abstract
The aim of this study was evaluated the effects of total rainfall, rainfall intensity and antecedentdry days and identify the correlation analysis with the EMC removal efficiency, in order to providean understanding of the operation and maintenance factors of constructed wetland in floodpumping station. This study was conducted total of 20 monitoring in a catchment(326.2 ha) ofconstructed wetland in Ga-un flood pumping station located at the downstream of the Wang-sukstream. The determined EMC removal efficiencies were 36.04±9.45% for BOD, 38.50±13.50% forCODMn, 34.34±13.05% for TN and 34.22±14.27% for TP, respectively. These results showed that thepollutants concentration and EMC were reduced while passing through the constructed wetland. In the correlation analysis, the highly correlations with EMC removal efficiency of BOD and CODMnwere observed for total rainfall and rainfall intensity (P<0.05). However, the correlations were notfound with TN and TP for rainfall variables.
참고문헌 (17)
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