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NTIS 바로가기자원환경지질 = Economic and environmental geology, v.46 no.4, 2013년, pp.301 - 312
김진엽 (세종대학교 지구정보공학과) , 박혁진 (세종대학교 지구정보공학과)
Landslides are caused by complex interaction among a large number of interrelated factors such as topography, geology, forest and soils. In this study, a comparative study was carried out using fuzzy relationship method and artificial neural network to evaluate landslide susceptibility. For landslid...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
산사태의 발생요인은 무엇인가? | 산사태는 지형, 지질, 임상, 토양 등과 같은 다양한 요인들이 복합적으로 작용하여 발생한다. 따라서 산사태 발생위치와 산사태 유발 요인 사이의 상관관계를 파악할 수 있는 다양한 분석 기법이 사용되고 있으며 본 연구에서는 산사태 위험지역을 정량적으로 예측할 수 있는 효과적인 기법을 제안하고자 퍼지관계 기법과 인공신경망 기법을 이용하여 포항지역의 산사태 취약성을 분석하였다. | |
퍼지 기법의 특징은 무엇인가? | 퍼지 이론은 애매한 현상이나 불확실한 정보를 수학적인 개념을 통해 모델화하고 수량화 할 수 있는 수학적인 도구로 개발되었다(Zadeh, 1965). 퍼지 기법은 산사태를 유발하는 요인들 사이의 불확실성을 수치화시켜 산사태에 영향을 미치는 정도를 정량적으로 표현할 수 있으며 이를 통해 산사태 유발 요인의 특정 클래스가 산사태 발생에 얼마나 영향을 미치는지 파악할 수 있다. | |
확률 및 통계 기법은 산사태의 취약성 분석에 언제부터 사용되었는가? | 이러한 기법은 1990년대부터 산사태 취약성 분석에 사용되어 왔으며(Carrara, 1993; Van Westen and Terlien, 1996; Dhakal et al., 2000; Lee et al. |
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