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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국농공학회 한국농공학회논문집 한국농공학회논문집 제61권 제4호
발행연도
2019.1
수록면
87 - 96 (10page)

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The objective of this study was to develop a general inundation modeling technique considering the effect of drainage delay in the paddy field districts. In most studies, farmland inundation simulations have been conducted using previously developed watershed models. However, the water cycle in thepaddy fields has a different structure from that of the general watershed, and the effect of the drainage delay should be considered. In this study, thedrainage delay algorithm was developed using water balance equation, and the inundation modeling was performed for inundation-prone paddy fieldslocated near Doowol stream. As a result, the depth of inundation was 43.1 cm and 45.2 cm, respectively, due to the 100-year and 200-year frequencyrainfall. With the operation of drainage pump (0.1 m3/s), inundation depths decreased by 5.8 cm and 6.0 cm, respectively, and inundation time reducedby 20 hours and 21 hours, respectively for the 100-year and 200-year frequency rainfall. The result showed that the general inundation modelingtechnique developed in this study could reflect the effect of drainage delay due to the rise of external water level and the flooding reduction effectby operation of drainage pump. The results of this study are expected to be useful to establish measures for damage caused by farmland inundation.

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