Korean Journal of Construction Engineering and Management (한국건설관리학회논문집)

Korea Institute of Construction Engineering and Management (한국건설관리학회)
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Economic Assessment of Climate Change Adaptation Technologies in Infrastructure Sector

사회기반시설물 기후변화 적응기술의 경제성분석

  • Jeong, Hoyoung (Department of Civil Environment Engineering, Yonsei University) ;
  • Kim, Hyoungkwan (Department of Civil Environment Engineering, Yonsei University)
  • Received : 2018.10.18
  • Accepted : 2018.10.29
  • Published : 2019.03.31
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Abstract

The frequency and severity of damage caused by extreme climate events are increasing due to climate change. If the infrastructure is not prepared for the risks of climate change, property loss may occur in the facility itself and its surrounding areas. Therefore, climate change adaptation technology should be introduced to reduce future losses. Policy makers need to understand the economic impacts of each technology in order to select an appropriate option. Both the primary damage, which is the direct damage to the facility, and the secondary damage, which is the damage to the surrounding area due to climate change, should all be identified for understanding the economic impact from adaptation. This paper presents a procedure for deriving primary and secondary damage reductions from introducing adaptation technologies and suggests a methodology for evaluating adaptation technology specific to each infrastructure.

기후변화로 인해 극한 기후 사상이 야기하는 피해의 빈도와 세기가 증가하고 있다. 사회기반시설물이 기후변화로 인한 위험에 대비되어 있지 않으면 시설물 자체와 그 주변 지역의 자산 손실이 발생할 수 있다. 따라서 기존의 기후에 근거하여 설계된 사회기반시설물들에 기후변화 적응기술을 도입하여 미래에 발생할 손실을 낮추어야 한다. 정책 결정자는 적응기술을 도입하기 위해 각 기술의 경제적 파급효과를 이해해야 한다. 기후변화 적응의 경제적 파급효과를 올바르게 이해하려면, 시설물에 직접적인 피해인 1차 피해와 기후 사상으로 인해 주변지역에 미치는 피해인 2차 피해를 모두 파악하여야 한다. 본 논문은 기후변화 적응기술들이 저감하는 1차 및 2차 피해액을 도출하기 위한 방법론을 제시하여, 각 사회기반시설물에 특화된 기후변화 적응기술 가치평가 방법을 제안하였다.

Keywords

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Fig. 1. Evaluation process of climate change adaptation technologies

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Fig. 2. Evaluation of adaptation technology for debris flow barrier

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Fig. 3. Evaluation of adaptation technology for road/pedestrian road

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Fig. 4. Evaluation of adaptation technology for sewer system

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Fig. 5. Evaluation of adaptation technology for levee system

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Fig. 6. Evaluation of adaptation technology for bridge

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Fig. 7. Evaluation of adaptation technology for shallow foundation

Table 1. Evaluation target information of the debris flow barrier adaptation in Yongma mountain area

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Table 2. Evaluation target information of the horizontal levee adaptation in Suncheon bay area

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Table 3. Evaluation target information of the shallow foundation adaptation in Magok area

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