농업용 저수지의 물수지 추정을 위한 BROOK90-R 수문 모델의 개발
Development of a BROOK90-R hydrological model for water balance estimation of a irrigation reservoir
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초록
The construction and efficient operation of irrigation reservoir is a method to mitigate drought in a mountainous watershed. Water balance of the reservoir is an important basic data to develop the proactive strategies. The object of this study was to develop a hydrological model to estimate water balance of irrigation reservoir. Especially, this research seeks to develop a model taking into account the behavior of floodgate manager. For this reason, BROOK90-R has been developed. The model was modified the legacy BROOK90 4.4.e by adding a reservoir module. The BROOK90-R was applied to two irrigation reservoirs (Deoksan and Yangak) in this study. Then the simulated storages of the reservoirs were compared with observed storages to validate the model. The results show that the overall R2 is 0.62, and RMSE is 5.8% in Deoksan. R2 and RMSE are 0.51 and 5.9%, respectively in Yangak. Despite some limitations, according to the simulation efficiently, the BROOK90-R is expected to be available to estimate the water balance of irrigation reservoir.
Abstract
The construction and efficient operation of irrigation reservoir is a method to mitigate drought in a mountainous watershed. Water balance of the reservoir is an important basic data to develop the proactive strategies. The object of this study was to develop a hydrological model to estimate water balance of irrigation reservoir. Especially, this research seeks to develop a model taking into account the behavior of floodgate manager. For this reason, BROOK90-R has been developed. The model was modified the legacy BROOK90 4.4.e by adding a reservoir module. The BROOK90-R was applied to two irrigation reservoirs (Deoksan and Yangak) in this study. Then the simulated storages of the reservoirs were compared with observed storages to validate the model. The results show that the overall R2 is 0.62, and RMSE is 5.8% in Deoksan. R2 and RMSE are 0.51 and 5.9%, respectively in Yangak. Despite some limitations, according to the simulation efficiently, the BROOK90-R is expected to be available to estimate the water balance of irrigation reservoir.
참고문헌 (33)
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