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Abstract ▼ AI-Helper

This study analyzed characteristics of groundwater flow affected by spatial distribution of aquifer and the properties of geological structures at Ulsan Metropolitan City, using geostatistical methods. The aquifer profile consists of three major layers, which are alluvium, weathered zone and bedrock...

This study analyzed characteristics of groundwater flow affected by spatial distribution of aquifer and the properties of geological structures at Ulsan Metropolitan City, using geostatistical methods. The aquifer profile consists of three major layers, which are alluvium, weathered zone and bedrock. In order to analyze those three layers, this study employed data of core logging, field survey and geophysical exploration. The relationship between the spatial properties of aquifer and groundwater flow was analyzed by confining aquifer boundary to topographic elevation of alluvium, and lower boundary depth of alluvium and weathered zone; and by dividing thickness into alluvium, weathered zone and alluvium-weathered zone. As a result, it was revealed that alluvium and weathered zone were distributed widely and thickly along Ulsan faults, and that aquifer distribution and faults were related. In addition, it was found that there were the variations of groundwater flow according to thickness and faults where alluvium and weathered zone developed. Consequently, geostatistical method for groundwater flow in hydrogeological study areas can be applied usefully to analyze the spatial distribution of aquifer and the properties of geological structures using core logging data.

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