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The volatility of water resources is increasing owing to climate change, and various developments are being undertaken for a stable supply of water resources.Among the many available water resources, groundwater is attracting attention as one of the country's most important resources in Korea.This study developed a groundwater potential map (GPM) for the exploration of groundwater in the Geumgang River basin, one of the four major river basins in Korea.This consisted of ten thematic layers (hydrogeology, fractured zone, depth to groundwater level, distance to surface water, lineament density, slope, stream drainage density, soil drainage, land cover, and annual rainfall) of remotely sensed data and satellite images to explore a wide range of areas.Each thematic layer was weighted through Analytical Hierarchal Process and Technique for Order Preference by Similarity to Ideal Solution, and the groundwater potential was determined.The final GPM are classified into five categories: very high, high, moderate, low, and very low.To verify the GPM, specific capacity data from a total of 2,671 wells was used.The GPM in this study make groundwater to be considered as promising and feasible alternative resource to surface water in case of future climate crisis such as heavy drought.
Lee et al. (Mon,) studied this question.