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- W2071656979 abstract "본 연구에서는 기상청에서 제공하는 공간해상도 27km 지역규모의 A1B 시나리오 기반의 RCM 자료와 비집수면적 개념을 도입한 GIS기반의 무한사면안정모형을 이용하여 전라북도 수계를 대상으로 미래 기후변화에 따른 사면안정 변동성을 평가하였다. 우선, 미래의 사면안정성 변동성 평가를 위하여 RCM 자료는 공간적으로 유역단위에서 강우관측소 지점단위로, 시간적으로 월단위에서 일단위 자료로 다운스케일링을 수행하였다. 또한, 무한사면안정모형의 중요 매개변수인 습윤지수 산정을 위하여 비집수면적 개념을 도입하여 격자기반의 습윤지수 정보를 획득하였으며 범용수치지형도, 정밀토양도, 임상도를 이용하여 지형 지질 임상학적 매개변수을 추출하여 GIS기반의 무한사면안정모형을 구축하였다. 이상의 미래 강우입력자료와 무한사면안정모형을 이용하여 현재(1971~2000)대비 미래(2010~2100)에 대한 사면안정 변동성을 평가하였다. 본 논문은 2편으로 구성되어 있으며, 제1편에서는 기후변화 시나리오에 따른 사면안정 변동성 해석을 위한 RCM자료의 가공 및 무한사면안정모형의 구축 등 방법론을 제시한다. This study aims to assess the slope stability variation of Jeollabuk-do drainage areas by RCM model outputs based on A1B climate change scenario and infinite slope stability model based on the specific catchment area concept. For this objective, we downscaled RCM data in time and space: from watershed scale to rain gauge scale in space and from monthly data to daily data in time and also developed the GIS-based infinite slope stability model based on the concept of specific catchment area to calculate spatially-distributed wetness index. For model parameterization, topographic, geologic, forestry digital map were used and model parameters were set up in format of grid cells(<TEX>$90m{times}90m$</TEX>). Finally, we applied the future daily rainfall data to the infinite slope stability model and then assess slope stability variation under the climate change scenario. This research consists of two papers: the first paper focuses on the methodologies of climate change scenario preparation and infinite slope stability model development." @default.
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- W2071656979 date "2013-09-30" @default.
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- W2071656979 title "Large-Scale Slope Stability Analysis Using Climate Change Scenario (1): Methodologies" @default.
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- W2071656979 doi "https://doi.org/10.11108/kagis.2013.16.3.193" @default.
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