지질형태와 토지이용특성을 고려한 도서지역의 지하수흐름특성 분석 = Analysis of the Groundwater Movement Characteristics in Volcanic Island Area with Geological Features and Land Use Pattern

다국어 초록 (Multilingual Abstract)

The characteristics of groundwater recharge and its effect on the flow of ground water according to the runoff curve number of volcanic islands and rainfall conditions, have been analyzed. The characteristics of Jeju City`s land cover in the past 20 years has been classified with 5 years unit and the long-term characteristics of groundwater recharge with regard to curve number has been estimated. In addition, in order to review the effect of the change of precipitation on the characteristics of groundwater recharge, the precipitation around Jeju city in the past 20 years has been investigated and classified into the year of highest rainfall, the year of average rainfall and the year of the least rainfall, and then the long-term characteristics of groundwater recharge has been estimated. As a result of the review on the groundwater recharge rate according to rainfall conditions land use pattern, under the identical hydro-geomorphological conditions, the state of land use has greater effect on the groundwater recharge rate than the rainfall does. In addition, the change of groundwater level has been analyzed by increasing or decreasing the average groundwater level. As a result, the decrease of groundwater recharge has greater effect on the groundwater level than the increase of the groundwater recharge. Thus, it is known that the appropriate management of the groundwater recharge through the efficient control of land use is required.

참고문헌 (Reference)

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