• Title/Summary/Keyword: Disaster vulnerability

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Vulnerability Evaluation by Road Link Based on Clustering Analysis for Disaster Situation (재난·재해 상황을 대비한 클러스터링 분석 기반의 도로링크별 취약성 평가 연구)

  • Jihoon Tak;Jungyeol Hong;Dongjoo Park
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.22 no.2
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    • pp.29-43
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    • 2023
  • It is necessary to grasp the characteristics of traffic flow passing through a specific road section and the topological structure of the road in advance in order to quickly prepare a movement management strategy in the event of a disaster or disaster. It is because it can be an essential basis for road managers to assess vulnerabilities by microscopic road units and then establish appropriate monitoring and management measures for disasters or disaster situations. Therefore, this study presented spatial density, time occupancy, and betweenness centrality index to evaluate vulnerabilities by road link in the city department and defined spatial-temporal and topological vulnerabilities by clustering analysis based on distance and density. From the results of this study, road administrators can manage vulnerabilities by characterizing each road link group. It is expected to be used as primary data for selecting priority control points and presenting optimal routes in the event of a disaster or disaster.

Disaster Cooperation Strategies between North and South Korea based on Sendai Framework

  • CHOI, Junho;LEE, Dongkwan;CHOI, Choongik
    • The Journal of Asian Finance, Economics and Business
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    • v.7 no.6
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    • pp.509-515
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    • 2020
  • TThe cooperation on disaster prevention between the two Koreas has been mostly focused on cooperation at the recovery stage, such as emergency relief supplies and equipment support. This study aims to articulate future practical development plans by analyzing disaster cooperation between North and South Korea in accordance with the changing paradigm of international disaster cooperation. Considering the specificity of inter-Korean cooperation, the Framework for Inter-Korean Disaster Prevention Cooperation was established centering on the Sendai Framework for Disaster Risk Reduction. The framework consists of understanding and sharing disaster risks, building back better, strengthening community resilience, and supporting regional disaster action plans for continuous action. Inter-Korean disaster prevention cooperation requires sharing information about North Korean disasters. It is necessary to accurately identify and support social vulnerability to North Korean disasters. Above all, it is supporting the development of disaster action plans from a humanitarian perspective needs. A medium-to-long term resilience reinforcement plan that North Korea can resolve on its own is also needed. Since North Korea is also deeply interested in international disaster cooperation, it should be based on the direction of the Sendai Framework. Considering the uniqueness of inter-Korean cooperation, a path for North Korea to actively participate in international disaster cooperation should be established.

A Design of Prototype System for Information Collection and Management based on Disaster Site (재난현장 중심의 정보 수집 및 관리를 위한 프로토타입 시스템 설계)

  • Lee, Jung-Ki;Bae, Ihn-Han;Kim, Chang-Soo
    • Journal of Korea Multimedia Society
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    • v.15 no.1
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    • pp.101-107
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    • 2012
  • Real time information on disaster situation is very important in disaster prevention effort. Generally, disaster related organizations use mobile devices to collect various disaster informations of disaster site. However, current disaster collection systems do not provide effective functionality to connect with another disaster information system. Therefore, disaster-related organizations have to make smartphone application for collection and administration of disaster information and then connect it with another information system. If this system is commercialized, vulnerability of previous system can be complemented. Thus, this paper focused on designing a prototype system for information collection and management in disaster site using smartphone applicatiom.

Improvement of Act on Disaster and Safety for Persons with Disabilities (장애인 재난안전 관계 법령 개선 연구)

  • Jung, Taeho;Yun, Nuri;Park, Dugkeun
    • Journal of the Korean Society of Safety
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    • v.34 no.1
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    • pp.98-107
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    • 2019
  • In the case of a disaster, the damage caused by the disability vulnerability of persons with disabilities is significantly increased, discussing about a problem for the protection of the vulnerable class. However, until now policy, technology and response guidelines for disaster and safety have been focused on the general public. Therefore, it is necessary to develop customized support technology for disaster and safety considering vulnerable characteristics of vulnerable class. Firstly, it is necessary to prepare draft improvement proposal of act and support system related disaster and safety for persons with disabilities and older persons. So, this study was carried out analysis of act, policy and support system on disaster and safety for persons with disabilities and older persons of domestic and overseas in order to draw implication. Furthermore, we established direction for improvement of act and policy on disaster and safety for persons with disabilities based on the analysis, and suggested draft improvement proposal.

A Review on Improvements of Climate Change Vulnerability Analysis Methods : Focusing on Sea Level Rise Disasters (도시 기후변화 재해취약성분석 방법의 개선방안 검토 : 해수면상승 재해를 중심으로)

  • Kim, Ji-Sook;Kim, Ho-Yong;Lee, Sung-Ho
    • Journal of the Korean Association of Geographic Information Studies
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    • v.17 no.1
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    • pp.50-60
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    • 2014
  • The purpose of this study is to identify characteristics and improvements of the climate change vulnerability analysis methods to build a safe city from disasters. For this, an empirical analysis on sea level rise disasters was performed focusing on Heaundae-gu in Busan. For the analysis, Census output areas and Dongs were set as analysis unit and their disaster vulnerability was analyzed. Improvements were reviewed through the comparison and review of analysis process and results. According to analysis results, Modifiable Areal Unit Problem(MAUP) which gives different results according to aggregate unit occurs. Improvements were induced by analysis process, and it was found that in spatial unit setting stage that becomes the base of analysis, analysis unit adjustment, score computation method adjustment, and clearer analysis method for each disaster type would be needed. In analysis execution stage, it was thought that weighting according to variables, diversification of variables, and exclusion of subjective analysis selection method would be needed. It is expected that accurate the total disaster vulnerability analysis will be the base for the improvement of efficiency in urban resilience responding to future weather changes.

A Study on the Vulnerability Assessment of Solar Power Generation Facilities Considering Disaster Information (재해정보를 고려한 태양광발전시설의 취약성 평가에 관한 연구)

  • Heejin Pyo
    • Land and Housing Review
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    • v.15 no.2
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    • pp.57-71
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    • 2024
  • This study aims to develop an evaluation method for solar power facilities considering disaster impacts and to analyse the vulnerabilities of existing facilities. Haenam-gun in Jeollanam-do, where the reassessment of existing facilities is urgent, was selected as the study area. To evaluate the vulnerability from a more objective perspective, principal component analysis and entropy methods were utilised. Seven vulnerability assessment indicators were selected: maximum hourly rainfall, maximum wind speed, number of typhoon occurrence days, number of rainfall days lasting more than five days, maximum daily rainfall, impermeable area ratio, and population density. Among these, maximum hourly rainfall, maximum wind speed, maximum daily rainfall, and number of rainfall days lasting more than five days were found to have the highest weights. The overlay of the derived weights showed that the southeastern regions of Haenam-eup and Bukil-myeon were classified as Grade 1 and 2, whereas the northern regions of Hwawon-myeon, Sani-myeon, and Munnae-myeon were classified as Grade 4 and 5, indicating differences in vulnerability. Of the 2,133 facilities evaluated, 91.1% were classified as Grade 3 or higher, indicating a generally favourable condition. However, there were more Grade 1 facilities than Grade 2, highlighting the need for countermeasures. This study is significant in that it evaluates solar power facilities considering urban disaster resilience and is expected to be used as a basic resource for the installation of new facilities or the management and operation of existing ones.

Evaluation of the Vulnerability of Bridge Foundations to Scour (세굴로 인한 교량기초의 위험도 평가)

  • Kwak, Ki-Seok;Park, Jae-Hyun;Lee, Ju-Hyung;Chung, Moon-Kyung;Kim, Jong-Cheon
    • Proceedings of the Korean Geotechical Society Conference
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    • 2005.03a
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    • pp.713-718
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    • 2005
  • A methodology is developed to evaluate the vulnerability of bridge piers to scour and to help establish effective disaster measures, taking into account the locality and scour characteristics in Korea. Based on the bearing capacity of bridge foundation-ground integrating system changed by scour, this methodology is able to prioritize bridge foundations reflecting on the geotechnical factors as well as hydraulic ones. The bridge foundation vulnerability to scour is categorized into 7 groups considering the concise information of the bridge foundation-ground integrating system. A case study of implementing this method which includes the analysis of the scour depth and evaluation, and categorizing the scour vulnerability of bridge foundation is presented.

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The Vulnerability Assessment Forest Fire in Jeju to Climate Change using the VESTAP (VESTAP을 활용한 기후변화에 따른 제주도 산불 취약성 평가 연구)

  • Lim, Chae-Hyun
    • Fire Science and Engineering
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    • v.30 no.1
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    • pp.57-62
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    • 2016
  • This study evaluated the risk of forest fires due to climate change in Jeju using the VESTAP. The study primarily aimed at assessing the risks posed to Jeju city and Seogwipo city, and uses actual and projected date from the period of 2000's to 2040's based on RCP 8.5 scenario. Forest fire vulnerability throughout Jeju-do was determined through the standardization of vulnerability index. The highest vulnerability was determined for the towns of Chuja-myeon, Udo-myeon, two downtown areas in Jeju city, Daejeong-eup, and five downtown areas in Seogwipo city, respectively.

Development of Flood Vulnerability Index Estimation System (이상홍수 취약성 평가 시스템의 개발)

  • Jang, Dae-Won;Kim, Byung-Sik;Kim, Bo-Kyung;Yang, Dong-Min;Seoh, Byung-Ha
    • Proceedings of the Korea Water Resources Association Conference
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    • 2008.05a
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    • pp.410-413
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    • 2008
  • We constructed the regional flood risk and damage magnitude using hazard and vulnerabilities which are climatic, hydrological, socio-economic, countermeasure, disaster probability components for DB construction on the GIS system. Also we developed the Excess Flood Vulnerability index estimation System(EFVS). By the construction of the System, we can perform the scientific flood management for the flood prevention and optional extreme flood defenses according to regional characteristics. In order to evaluate the performance of system, we applied EFVS to Anseong-chen in Korea, and the system's stabilization is appropriate to flood damage analysis.

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A Basic Study on the Derivation of Vulnerability Factors for Safety Management of old Buildings (노후 건축물의 안전관리를 위한 취약성 요소 도출 기본연구)

  • Oh, Gyuho;Cha, Inhyuck;Ahn, Sungjin
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2023.05a
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    • pp.275-276
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    • 2023
  • In order to prevent disaster risks caused by building aging in advance, the prevailing opinion is that it is urgent to actively improve systems such as mandatory safety inspections, and to calculate risks and develop safety management systems due to building aging. The need for systematic risk management continues to be emphasized in the process of safety inspection and repair of old buildings, but the risk management and safety management techniques of each construction entity have not been established in practice. Accordingly, this study aims to analyze the vulnerability factors of aging buildings and provide basic data on the development of a risk rating calculation model for old buildings and the efficiency of safety management systems in the future.

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