토지이용 및 기후 예측자료를 활용한 미래 기저유출 분석

초록

Since the baseflow, which constitutes most of the river flow in the dry season, plays an important role in the solution of river runoff and drought,it is important to accurately evaluate the characteristics of the baseflow for river management. In this study, land use change was evaluated throughtime series data of land use, and then baseflow characteristics were analyzed by considering climate change and land use change using climate changescenarios. The results showed that the contribution of baseflow of scenarios considering both climate change and land use change was lower than thatof scenarios considering only climate change for yearly and seasonal analysis. This implies that land use changes as well as climate changes affectbase runoff. Thus, if we study the watershed in which the land use is occurring rapidly in the future, it is considered that the study should be carriedout considering both land use change and climate change. The results of this study can be used as basic data for studying the baseflow characteristicsin the Gapcheon watershed considering various land use changes and climate change in the future.

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