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- W2000619451 abstract "농업용 저수지의 수질 개선을 위한 효율적 관리 방안은 본 연구에서 제시되었다. 홍동 저수지는 저수지 유역 내에 농경지, 산림지역, 주거지역, 그리고 축산지역 등을 포함하고 있다. 수질 환경을 복원시키기 위해 우선 저수지 내 퇴적물의 오염도를 조사되었고 저수지내 퇴적토의 잠재적인 영양염류인 분석한 결과 총질소(T-N)은 <TEX>$1.06g/m^2-d{sim}3.67g/m^2-d$</TEX>로 분포를 보이고 총인(T-P)는 <TEX>$0.52 g/m^2-d{sim}1.12g/m^2-d$</TEX>로 측정되었다. 또한 퇴적토 준설 시 용출 특성 분석을 위해 72시간동안 20 혐기성 조건으로 시험을 진행되었다. 총인(T-P)와 (인산염인) <TEX>$PO_4$</TEX>-P의 농도는 시간에 따라 비교적 일정하게 용출되는 특성이 나타났으며 총질소(T-P)의 경우에 아질산성 질소(<TEX>$NO_2$</TEX>-N)와 질산성 질소(<TEX>$NO_3$</TEX>-N)의 탈질산화로 인하여 그농도가 불규칙적으로 용출되는 특성을 보였다. 특히, 암모니아인 경우는 컬럼 내부의 혐기성 조건으로 형성된 낮은 pH로 인하여 질소(<TEX>$N_2$</TEX>)와 함께 용출 양은 극히 미량으로 측정되었다. This study proposes an efficient management plan for improving the water quality of agricultural reservoirs. Hongdong reservoir is located in an area that includes farmland, forest, residential housing, and livestock farms. The levels of pollutants in Hongdong reservoir were investigated with the aim of improving the water quality in the reservoir. The potential concentrations of total nitrogen (T-N) and total phosphorus (T-P) in Hongdong reservoir were 1.06-3.67 and 0.52-1.12 <TEX>$g/m^2-d$</TEX>, respectively. An analysis of leaching characteristics was performed under anaerobic conditions for 72 hours at <TEX>$20^{circ}C$</TEX>. The concentrations of T-P and <TEX>$PO_4$</TEX>-P were measured by general leaching for a set period. In the case of T-P, the leaching was measured by irregular leaching due to denitrification of nitrite nitrogen (<TEX>$NO_2$</TEX>-N) and nitrate nitrogen (<TEX>$NO_3$</TEX>-N). A very small amount of <TEX>$NH_3$</TEX>-N on nitrogen (<TEX>$N_2$</TEX>) was measured due to the low pH in the column, as a consequence of the anaerobic conditions." @default.
- W2000619451 created "2016-06-24" @default.
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- W2000619451 date "2013-06-30" @default.
- W2000619451 modified "2023-10-17" @default.
- W2000619451 title "Effective Reservoir Management Methods using Nutrients Leaching Characteristic Analysis: Case Study of the Hongdong Reservoir" @default.
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- W2000619451 doi "https://doi.org/10.9720/kseg.2013.2.95" @default.
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