유역-호소 연계모형을 이용한 상류 오염원 관리에 따른 담수호 수질영향평가
Assessment of Estuary Reservoir Water Quality According to Upstream Pollutant Management Using Watershed-Reservoir Linkage Model
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참고문헌
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초록
Estuary reservoirs were artificial reservoir with seawalls built at the exit points of rivers. Although many water resources can be saved, it is difficultto manage due to the large influx of pollutants. To manage this, it is necessary to analyze watersheds and reservoirs through accurate modeling. Therefore, in this study, we linked the Hydrological Simulation Program-FORTRAN (HSPF), Environmental Fluid Dynamics Code (EFDC), and Waterquality Analysis Simulation Program (WASP) models to simulate the hydrology and water quality of the watershed and the water level and qualityof estuary lakes. As a result of applying the linked model in stream, R2 0.7 or more was satisfied for the watershed runoff except for one point. In addition, the water quality satisfies all within 15% of PBIAS. In reservoir, R2 0.72 was satisfied for water level and the water quality was within 15%of T-N and T-P. Through the modeling system, We applied upstream pollutant management scenarios to analyze changes in water quality in estuaryreservoirs. Three pollution source management were applied as scenarios, the improvement of effluent water quality from the sewage treatment plantand the livestock waste treatment plant was effective in improving the quality of the reservoir water, while the artificial wetland had little effect. Waterquality improvement was confirmed as a measure against upstream pollutants, but it was insufficient to achieve agricultural water quality, so additionalreservoir management is required.
Abstract
Estuary reservoirs were artificial reservoir with seawalls built at the exit points of rivers. Although many water resources can be saved, it is difficultto manage due to the large influx of pollutants. To manage this, it is necessary to analyze watersheds and reservoirs through accurate modeling. Therefore, in this study, we linked the Hydrological Simulation Program-FORTRAN (HSPF), Environmental Fluid Dynamics Code (EFDC), and Waterquality Analysis Simulation Program (WASP) models to simulate the hydrology and water quality of the watershed and the water level and qualityof estuary lakes. As a result of applying the linked model in stream, R2 0.7 or more was satisfied for the watershed runoff except for one point. In addition, the water quality satisfies all within 15% of PBIAS. In reservoir, R2 0.72 was satisfied for water level and the water quality was within 15%of T-N and T-P. Through the modeling system, We applied upstream pollutant management scenarios to analyze changes in water quality in estuaryreservoirs. Three pollution source management were applied as scenarios, the improvement of effluent water quality from the sewage treatment plantand the livestock waste treatment plant was effective in improving the quality of the reservoir water, while the artificial wetland had little effect. Waterquality improvement was confirmed as a measure against upstream pollutants, but it was insufficient to achieve agricultural water quality, so additionalreservoir management is required.
참고문헌 (19)
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