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[1D19] An evaluation of runoff point considering topography and repository depth changes due to uplift and erosion.
Keywords:Geological disposal, Changes in topography and repository depth, Nuclide migration
The topography is affected by long term uplift and erosion, which also causes change of the depth of the repository site. In addition, nuclide migration paths and outflow points on the ground surface change according to the changes in topography and the repository depth. In this study, the topographical transition analysis was performed focusing on the difference in the topographical transition due to the difference in the uplift rate, and the groundwater flow analysis was performed based on that. In addition, nuclide migration paths were evaluated considering the changes in topography and repository depth. As a result, it was indicated that the runoff points from the repository near the ground surface would change according to the uplift rate.
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