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Selecting and Assessing Vulnerable Zones of Snow Damage in Urban Areas - the case of City of Busan

도심의 설해취약지역 선정 및 위험도 평가에 관한 연구 - 부산광역시 지형적 특성을 중심으로 -

  • Received : 2012.04.18
  • Accepted : 2013.02.13
  • Published : 2013.05.30

Abstract

Recent huge losses of both life and property have occurred by unexpected natural disasters. We studied snow damages, an important natural disaster issue because it happens more frequently in recent years. This study tries to select vulnerable areas of snowfall in advance and then establish climate change adaptation policy for minimizing unexpected snowfall damage. Busan, where is our study area, has hilly in downtown areas so that topography characteristics of the roads such as slope, elevation and aspect are vulnerable to snowfall. The sudden snowfall in Busan causes traffic jam and causes some schools in hilly to close some schools. At this moment, the adaptation policy has to be established for infrastructure (such as roads) in advance, because prediction of anomaly climate due to global warming is so difficult beside the damage of natural disaster is huge. Therefore, the purpose of this study is contribute to selecting and assessing vulnerable zones of snow damage focusing topography characteristics of the roads and then evaluating the degree of risk of vulnerable zones.

최근 지구는 이상기후를 원인으로 한 자연재난 발생에 의해 경제적 손실 및 인명 피해가 빈번하게 발생하고 있다. 본 연구의 목적은 자연재난의 하나인 설해 적응에 관한 것으로 도로가 위치한 지역의 지형적 특성을 중심으로 설해취약지역을 선정하고 그 위험정도를 제시하는 것이다. 연구지역인 부산광역시의 경우 도심 내 구릉성 산지가 많이 분포하고 있어 도로의 경사가 급하고 많은 산복도로가 형성되어 있어 폭설에 취약한 구조로 되어 있다. 최근에는 폭설이라 할 수 없는 적은 적설량에도 도로교통이 마비되고 학교가 휴교하는 등 큰 혼란이 발생하였다. 지구온난화에 의한 이상기후는 예측이 어렵고 그 피해는 매우 큼으로 관련 사회기반시설에 대한 적응정책이 마련되어야 한다. 따라서 본 연구는 연구지역의 도로가 위치한 지형적 특성들을 중심으로 설해취약지역을 선정하고 행정동 단위 위험도 평가를 통한 위험정도를 나타냄으로 설해 적응정책수립 시기초자료로서 활용될 수 있도록 하였다.

Keywords

References

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