SWMM 모형을 활용한 평야부 관개효율 및 용수공급 취약성 평가
Assessment of Irrigation Efficiency and Water Supply Vulnerability Using SWMM
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초록
Agricultural drought is a natural phenomenon that is difficult to observe and quantitatively express, and agricultural water use is high and usage patternsare diverse, so even if there is a lack of rainfall. The frequency and severity of agricultural drought are increased during the irrigation period wherethe demand for agricultural water is generated, and reasonable and efficient management of agricultural water for stable water supply is required. Asone method to solve the water shortage of agricultural water in an unstructured method, it is necessary to analyze the appropriate supply amount andsupply method through simulation from the intake works to the canals organization and paddy field. In this study, irrigation efficiency was analyzedfor irrigation systems from April to September over the past three years from the Musu Reservoir located in Jincheon-gun, Chungcheongbuk-do andPungjeon Reservoir located in Seosan-si, Chungcheongnam-do. SWMM (Storm Water Management Model) was used to collect agricultural water, andirrigation efficiency analysis was conducted using adequacy indicators, and water supply vulnerability. The results of the agricultural water distributionsimulation, irrigation efficiency and water supply vulnerability assessment are thought to help the overall understanding of the agricultural water supplyand the efficient water management through preliminary analysis of the methods of agricultural water supply in case of drought events.
Abstract
Agricultural drought is a natural phenomenon that is difficult to observe and quantitatively express, and agricultural water use is high and usage patternsare diverse, so even if there is a lack of rainfall. The frequency and severity of agricultural drought are increased during the irrigation period wherethe demand for agricultural water is generated, and reasonable and efficient management of agricultural water for stable water supply is required. Asone method to solve the water shortage of agricultural water in an unstructured method, it is necessary to analyze the appropriate supply amount andsupply method through simulation from the intake works to the canals organization and paddy field. In this study, irrigation efficiency was analyzedfor irrigation systems from April to September over the past three years from the Musu Reservoir located in Jincheon-gun, Chungcheongbuk-do andPungjeon Reservoir located in Seosan-si, Chungcheongnam-do. SWMM (Storm Water Management Model) was used to collect agricultural water, andirrigation efficiency analysis was conducted using adequacy indicators, and water supply vulnerability. The results of the agricultural water distributionsimulation, irrigation efficiency and water supply vulnerability assessment are thought to help the overall understanding of the agricultural water supplyand the efficient water management through preliminary analysis of the methods of agricultural water supply in case of drought events.
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