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( Mingyeong Kim ),( Jeryeong Kim ),( Minuk Ha ),( Minseo Bae ),( Juhee Kim ),( Ja-young Goo ),( Soonjae Lee ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
High resolution site characterization (HRSC) can support more effective remediation design and faster site cleanup. Recently, researches on HRSC techniques have conducted in Deokso area, Keonggi-do, Korea. In this research, we investigated the groundwater flow under different geological models constructed based on the detailed lithological and structural borehole log from the adjacent boreholes on the test bed. The conceptual hydrogeological models were constructed with homogeneous layer models as well as heterogeneous models. The homogeneous models were derived by interpolating observed contacts in borehole logs. Heterogeneous models were built by geostatistical simulation of lithology variables and material properties using T-PROGS. Over the generated hydrogeology model, the groundwater flow modeling was conducted using MODFLOW. The simulated groundwater flow field in homogeneous layer models were compared with the simulations in a heterogeneous model made with a T-PROGS tool. The simulation results showed that the groundwater flow varied greatly depending on configuration of the conceptual model as well as the resolution of geological survey data.