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http://dx.doi.org/10.11108/kagis.2014.17.3.001

Large-Scale Slope Stability Analysis Using Climate Change Scenario (2): Analysis of Application Results  

Oh, Sung-Ryul (Geumriver Flood Control Office, Ministry of Land, Infrastructure and Transport)
Lee, Gi-Ha (Department of Construction & Disaster Prevention, Kyungpook National University)
Choi, Byoung-Seub (Water Resources Business Division, Korea Water Resources Corporation)
Lee, Kun-Hyuk (Engineering Department, Future Technology & Safety Division, Korea Water Resources Corporation)
Kwon, Hyun-Han (Department of Civil Engineering, Jeonbuk National University)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.17, no.3, 2014 , pp. 1-19 More about this Journal
Abstract
This study aims to assess the slope stability variation of Jeonbuk drainage areas by RCM model outputs based on A1B climate change scenario and infinite slope stability model based on the previous research by Choi et al.(2013). For a large-scale slope stability analysis, we developed a GIS-based database regarding topographic, geologic and forestry parameters and also calculated daily maximum rainfall for the study period(1971~2100). Then, we assess slope stability variation of the 20 sub-catchments of Jeonbuk under the climate change scenario. The results show that the areal-average value of safety factor was estimated at 1.36(moderately stable) in spite of annual rainfall increase in the future. In addition, 7 sub-catchments became worse and 5 sub-catchments became better than the present period(1971~2000) in terms of safety factor in the future.
Keywords
Climate Change; A1B Scenario; Infinite Slope Stability Model; Large-Scale Slope Stability Analysis;
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Times Cited By KSCI : 8  (Citation Analysis)
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