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농촌유역 비점오염원처리를 위한 적정 인공습지 규모결정에 관한 연구
장정렬 ( Jang Jeong Ryeol ),박종민 ( Park Jong Min ),권순국 ( Kwun Soon Kuk ),윤경섭 ( Yoon Kyeong Sup ) 한국농공학회 2000 한국농공학회 학술대회초록집 Vol.2000 No.-
Several studies on development of water quality treatment systems by wetlands are on going because of their benefits of low construction cost and high efficiency of waste water treatment. The objectives of this study were to review the necessary contents of survey and design factors for constructing constructed wetlands and to examine the required wetland area to treat non-point source pollution through case studies. The measurement of water quality and quantity in precipitation period is needed to analyse the inflow characteristics of the non-point pollution and to determine the amount of design flow. The design inflow for constructing constructed wetland was determined to the total runoff from 30mm of daily rainfall in the AMC(III) condition of the SCS method and is similar 70% of the annual mean runoff. The natural type wetland system with 0.1m of water depth and 5 hours of detention time was applied. From the results of the case studies, 70% of inflow could be treated and 1∼3% of wetland area of the total basin is needed.