EFDC-WASP 연계모형을 이용한 소규모 농업용 저수지 비소 농도 모의
Simulating Arsenic Concentration Changes in Small Agricultrual Reservoir Using EFDC-WASP Linkage Model
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참고문헌
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초록
Even if a small amount of arsenic (As) is entering to small agricultural reservoir from upper streams, small agricultural reservoir becomes sensitiveto changes in arsenic concentration depending on the water level in case of accumulation continuously because of its scale. If we want to managearsenic concentration in small agricultural reservoir, it is very important to understand arsenic changes in agricultural reservoir. In spite of the fact thatmodeling is the most accurate method for analyzing arsenic concentration changes in small agricultural reservoirs, but, it is difficult to monitor arsenicchange everyday. So, if data is prepared for modeling arsenic changes, water quality modeling is more effective than monitoring. Therefore, in thisstudy, arsenic concentration changes was simulated and arsenic concentration change mechanism in small reservoir was analyzed using hydrological andwater quality monitoring data and by conducting EFDC (Environment Fluid Dynamics Code)-WASP (Water Quality Analysis Simulation Program)linkage. EFDC-WASP coupling technique was very useful for modeling arsenic changes because EFDC can consider hydrodynamic and WASP canperform arsenic concentration simulation, separately. As a results of this study, during dry season, As concentration was maintained relatively higharsenic concentrations. Therefore, water level control will be needed for managing As concentration of reservoir.
Abstract
Even if a small amount of arsenic (As) is entering to small agricultural reservoir from upper streams, small agricultural reservoir becomes sensitiveto changes in arsenic concentration depending on the water level in case of accumulation continuously because of its scale. If we want to managearsenic concentration in small agricultural reservoir, it is very important to understand arsenic changes in agricultural reservoir. In spite of the fact thatmodeling is the most accurate method for analyzing arsenic concentration changes in small agricultural reservoirs, but, it is difficult to monitor arsenicchange everyday. So, if data is prepared for modeling arsenic changes, water quality modeling is more effective than monitoring. Therefore, in thisstudy, arsenic concentration changes was simulated and arsenic concentration change mechanism in small reservoir was analyzed using hydrological andwater quality monitoring data and by conducting EFDC (Environment Fluid Dynamics Code)-WASP (Water Quality Analysis Simulation Program)linkage. EFDC-WASP coupling technique was very useful for modeling arsenic changes because EFDC can consider hydrodynamic and WASP canperform arsenic concentration simulation, separately. As a results of this study, during dry season, As concentration was maintained relatively higharsenic concentrations. Therefore, water level control will be needed for managing As concentration of reservoir.
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