• Title/Summary/Keyword: complex disaster

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Study on Determining Core Journals and Network Analysis in the Field of Disaster & Safety (재난안전 분야 핵심 학술지 탐색 및 네트워크 분석 연구)

  • Kim, Byungkyu;You, Beom-Jong
    • Journal of the Korean Society for Library and Information Science
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    • v.53 no.4
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    • pp.373-397
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    • 2019
  • Recent disasters are a complex and growing trend. In order to effectively prepare for and respond to disasters that occur without notice, it is very important to use scientific information related to disaster and safety in addition to the standardized disaster safety information that is used. In this paper, we searched and selected major journals in the field of disaster & safety and conducted various network analysis studies using the classification scheme for development of integrated metadata for disaster & safety information developed through Disaster & Safety Information Sharing Platform R&D project as well as KSCD. Also, we have constructed and analyzed citation network, co-authorship network and keyword network through data identification and preprocessing of research paper contents. As a result of this study, based on the network constructed by information analysis unit, the network structure between core domestic and foreign journals, major research institutes, core keywords and individual information by disaster & safety type was identified in detail, and the analysis results were presented on a case-by-case basis.

Social Network Analysis by Utilizing Disaster Risk Big Data (재난 위험신고 빅데이터를 활용한 사회연결망 분석)

  • Han, Ji-Ah;Jeong, Duk-Hoon
    • The Journal of Bigdata
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    • v.1 no.2
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    • pp.45-63
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    • 2016
  • According to changes of recent climate social structures, frequency of occurrence new or complex disasters are increasing. So the importance of disaster prevention is increasing. To provide useful information of disaster prevention activities, We use the "Safety Sinmungo" main processing practices included Facility safety management in Ministry of Public Safety and Security. Facility safety management is the most and common disaster prevention activities. We identified the keywords in the risk report and facilities to residents report and analyzed the seasonal and inter-regional facilities report distribution process. We also utilized social network analysis techniques to configure a 1-mode, 2-mode facilities around the keyword for differences.

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Defense Strategy of Network Security based on Dynamic Classification

  • Wei, Jinxia;Zhang, Ru;Liu, Jianyi;Niu, Xinxin;Yang, Yixian
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.9 no.12
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    • pp.5116-5134
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    • 2015
  • In this paper, due to the network security defense is mainly static defense, a dynamic classification network security defense strategy model is proposed by analyzing the security situation of complex computer network. According to the network security impact parameters, eight security elements and classification standard are obtained. At the same time, the dynamic classification algorithm based on fuzzy theory is also presented. The experimental analysis results show that the proposed model and algorithm are feasible and effective. The model is a good way to solve a safety problem that the static defense cannot cope with tactics and lack of dynamic change.

A Study on the Inter-Korean Cooperation for Natural Disaster Damage Reduction Using Spatial Information

  • Lee, Sunmin;Song, Taejung;Lee, Moung-Jin
    • Korean Journal of Remote Sensing
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    • v.35 no.1
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    • pp.163-177
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    • 2019
  • As inter-Korean relations progress, the issue of natural disasters which could directly affect the lives of the people in both Koreas, has not yet been discussed. Considering the current status of inter-Korean relations and the ongoing disaster-related damage in North Korea, it is imperative to establish a technical plan at the pan-governmental level to reduce the damage from natural disasters. The purpose of this study is to secure the Korea Peninsula against natural disasters by organizing South Korea's science and technologies related to natural disasters in order to reduce the damage, and to evaluate the applicability of said technologies. The situation of natural disasters in North Korea for 17 years has been summarized and reclassified based on eight types of natural disasters. Technologies related to natural disasters in South Korea were also investigated and reclassified. Based on the data, a priority evaluation was performed and the prioritization of technology application for each natural disaster type in North Korea was calculated through a quadrant analysis. As a result, the three major categories of high-priority technologies were classified as natural disaster monitoring with remote sensing and spatial information technology, construction of research basis and database based on geographic information system (GIS) and integrated management of complex natural disasters.

Planning of Neighborhood Parks for the Disaster Prevention in Jecheon City (제천시의 방재형 도시 근린공원 조성 계획)

  • Lee, Ai-Ran
    • Ecology and Resilient Infrastructure
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    • v.2 no.4
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    • pp.296-304
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    • 2015
  • The rapid increase in the number of climate disasters combined with the scale of change and the diversification of natural disasters require a radical solution. In particular, the urban space is more complex, therefore we need to establish measures for disaster response and how to react to damaged infrastructure based on the phenomenon of an increase in the urban population and the impermeable layer being extended. The social problems related to the economic burden of land purchase and the securing of a disaster prevention system can be solved simultaneously by introducing the park system for disaster reduction into the public land of the green space in the city. The local government has recently adapted diverse systems of disaster mitigation and carried out pioneer projects according to the guidelines for the construction of the urban park for disaster prevention published by the Ministry of Land, Infrastructure and Transport. The purpose of this study is to propose a composition model for neighborhood parks to prevent disaster through urban green spaces which has the functions of water management and biotope conservation. The result of this study will contribute to utilize the climate change adaptation model for living area neighborhood parks in the existing urban structure.

Extraction of Disaster link Matrix Considering Flood Damage of Low-rise Structures due to Typhoon Effects (태풍 영향으로 인한 저층 시설물의 침수피해를 고려한 재난 연계 매트릭스 도출)

  • Lee, Byung-Hoon;Lee, Byung-Jin;Oh, Seung-Hee;Jung, Woo-Sug;Kim, Kyung-Seok
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.18 no.5
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    • pp.209-214
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    • 2018
  • In this paper, we recognize the damage caused by a disaster to a facility in the event of a large-scale disaster and present the possible disasters in the form of a matrix. The typhoon was selected as a major disaster and covered mainly the flood damage, a possible damage caused by the typhoon. Flood damage is mainly caused by flooding, and damage is determined by flooding and flow rate, and the results of applying this to low-rise facilities are derived. In addition, the results were derived by applying a method of classification of disaster types in a matrix format to make it easy to see at a glance the connection between disasters caused by damage to a facility. Continuing research in the form presented in this paper will help us identify additional disasters as an occurrence of a disaster.

A Study on the Relief Service Promotion Plan for Natural Disaster Victims (자연재해 이재민의 구호서비스 증진방안에 관한 연구)

  • Seo, Jung Pyo;Cho, Wonchul
    • Journal of Korean Society of Disaster and Security
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    • v.6 no.2
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    • pp.15-22
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    • 2013
  • Recently, 'Government 3.0' has become the topic since the inauguration of the new government. According to Government 3.0 Promotion Master Plan, this means providing bilateral customized administrative service based on the values of opening-up, sharing, and cooperation for the individuals of the people. Currently, if disaster victims, who have private property damaged by natural disasters such as typhoon and torrential rain, want to receive disaster relief service supports such as financial support, tax cut, reduction in electric and communication charges, they have to visit each of applicable organizations and apply for the relief service supports. The application forms and procedures are so diverse and complex that disaster victims undergo many discomforts. So this thesis established the solution of residents' discomforts and the providing of practical benefits through disaster victims' one stop application for service as the research objective. Accordingly, the solution plan was concretely presented through preparing the relief service promotion strategies comprising the establishment of administrative service supporting system and the preparation of legal and institutional device, the establishment of computing system for one stop service and the reinforcement of general publicity for successful promotion of cooperation projects.

APPLICATION OF 3D TERRAIN MODEL FOR INDUSTRY DISASTER ASSESSMENT

  • Kim, Hyung-Seok;Cho, Hyoung-Ki;Chang, Eun-Mi;Kim, In-Hyun;Kim, In-Won
    • Proceedings of the KSRS Conference
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    • 2008.10a
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    • pp.3-5
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    • 2008
  • An increase in oil and gas plants caused by development of process industry have brought into the increase in use of flammable and toxic materials in the complex process under high temperature and pressure. There is always possibility of fire and explosion of dangerous chemicals, which exist as raw materials, intermediates, and finished goods whether used or stored in the industrial plants. Since there is the need of efforts on disaster damage reduction or mitigation process, we have been conducting a research to relate explosion model on the background of real 3D terrain model. By predicting the extent of damage caused by recent disasters, we will be able to improve efficiency of recovery and, sure, to take preventive measure and emergency counterplan in response to unprepared disaster. For disaster damage prediction, it is general to conduct quantitative risk assessment, using engineering model for environmental description of the target area. There are different engineering models, according to type of disaster, to be used for industry disaster such as UVCE (Unconfined Vapour Cloud Explosion), BLEVE (Boiling Liquid Evaporation Vapour Explosion), Fireball and so on, among them, we estimate explosion damage through UVCE model which is used in the event of explosion of high frequency and severe damage. When flammable gas in a tank is released to the air, firing it brings about explosion, then we can assess the effect of explosion. As 3D terrain information data is utilized to predict and estimate the extent of damage for each human and material. 3D terrain data with synthetic environment (SEDRIS) gives us more accurate damage prediction for industrial disaster and this research will show appropriate prediction results.

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A Study on the Monitoring Criteria of Disaster Signs for Early-warning System based on Multiple Hazardous Gas Sensor (복합 유해 가스 센서 기반의 조기 경보 시스템을 위한 재난 전조 감시 기준에 관한 연구)

  • Han, Kyusang;Park, Sosoon;Yoon, En Sup
    • Journal of the Korean Institute of Gas
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    • v.17 no.2
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    • pp.28-35
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    • 2013
  • The number of large and complex buildings is growing and they are usually concentrated in metropolitan cities. There is a possibility in such buildings that a small accident can expand to a massive disaster since their scale and complexity. To deal with this issue, a research on gas sensors which can detect multiple gases and early-warning systems has been conducted. Proper criteria or standards are necessary for effective application and operation of such sensor-based disaster monitoring system. In this study, we have proposed the alarm criteria of concentration of hazardous gases for the detection and the alarm release. For each alarm level, systematic disaster response plans consist of responsive actions and information delivery have been prepared. These disaster monitoring criteria can help the detection of hazardous gas-related disaster in the early stage of accident and the provision of appropriate emergency responses.

An Analysis on the Appropriation of Chemical Accident Evacuation Facility Using GIS - focused on Ulsan metropolitan city - (GIS 기법을 활용한 화학사고 대피시설의 적정성 분석 - 울산광역시를 대상으로 -)

  • SONG, Bong-Geun;LEE, Tae-Wook;KIM, Hyun-Ju;KIM, Tai-Hoon
    • Journal of the Korean Association of Geographic Information Studies
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    • v.21 no.1
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    • pp.71-82
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    • 2018
  • The purpose of this study is to minimize damage of chemical accidents through the appropriation analysis of evacuation facility position focused on Ulsan metropolitan city. For analysis, informations such as pollutant release and transfer registers(PRTR), population census, and evacuation facilities were used. After then, damage assessment of chemical accidents, accessibility and appropriation of evacuation facilities were analyzed. Damage of chemical accidents is high in around 5km of industrial complex there is dense of chemical facility and population. Evacuation facilities were mainly situated in hazard area of chemical accidents, but accessibility of evacuation facilities was vulnerable in chemical plant neighborhood. Therefore, safety check of deteriorated plants is important for prevention of chemical accidents. Also, effective evacuation plan considering capacity and scale of evacuation facilities will be established.