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ISSN : 1225-6692(Print)
ISSN : 2287-4518(Online)
Journal of the Korean earth science society Vol.34 No.7 pp.605-614

지형 요소를 고려한 백두산 지역의 위험도 분석

최은경1,*, 김성욱1, 이영철2, 이규환3, 김인수4
1주식회사 GI, 611-839, 부산광역시 연제구 중앙대로 1048번길 11
2부산대학교 지구과학교육과, 609-735, 부산광역시 금정구 부산대학로 63번길 2
3건양대학교 건설환경공학과, 320-711, 충청남도 논산시 대학로 121
4부산대학교 지질환경과학과, 609-735, 부산광역시 금정구 부산대학로 63번길 2
대부분의 급경사지의 붕괴는 지형적으로 불안정한 지역에서 발생한다. 백두산은 전형적인 산악 지역으로 잠재적 폭발 가능성을 지닌 활화산으로 알려져 있다. 본 연구에서는 백두산지역의 수치고도모형을 이용하여 지형요소와 선구조선 분석을 통해 재해 위험도를 작성하였다. 취약도 분석에 사용되는 요소는 지형으로부터 산정된 방위도, 경사도, 상부사면기여면적, 접선구배곡률, 윤곽구배 곡률, 습윤지수의 분포를 이용하였다. 더불어 선구조의 선밀도도를 작성하여 재해 위험도를 평가하는데 이용하였다. 지형요소를 이용한 백두산지역의 재해위험도 분석 결과 남쪽 내지 남서부 지역의 재해 위험도가 4-5등급으로 높게 나타나고 있다.

Analyzing the Disaster Vulnerability of Mt. Baekdusan Area Using Terrain Factors

*Corresponding author:

*Tel: +82-51-506-9261

*Fax: +82-51-502-9260
, Eun-Kyeong Choi1,*, Sung-Wook Kim1, Young-Cheol Lee2, Kyu-Hwan Lee3, In-Soo Kim4

1Gi Co. Ltd., Busan 611-839, Korea
2Earth Science Education, Pusan National University, Busan 609-735, Korea
3Civil and Environment Engineering, Konyang University, Chungnam 320-711, Korea
4Department of Geological Sciences, Pusan National University, Busan 609-735, Korea


Most steep slope failures tend to take place in geographically unstable areas. Mt. Baekdusan is known as apotentially active volcano in a typical mountainous terrain. This study prepared a digital elevation model of Mt.Baekdusan area and created a hazard map based on topographical factors and structural lineament analysis. Factors usedin vulnerability analysis included geographical data involving aspect and slope distribution, as well as contributory area ofupslope, tangential gradient curvature, profile gradient curvature, and the distribution of wetness index among the elementsthat comprise topography. In addition, the stability analysis was conducted based on the lineament intensity map.Concerning the disaster vulnerability of Mt. Baekdusan region, the south and south west area of Mt. Baekdusan has ahighest risk of disaster (grade 4-5) while the risk level decreases in the north eastern region.


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