• Title/Summary/Keyword: natural disasters

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A Study on Types of Disasters Affecting City Safety (도시안전에 영향을 미치는 재난유형에 관한 연구)

  • Choi, Yun-Cheul
    • Journal of the Architectural Institute of Korea Structure & Construction
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    • v.35 no.6
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    • pp.93-100
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    • 2019
  • Modern society is transforming into an extreme climate environment. This is fatal to humans and ecosystems and is expected to cause large-scale damage. As this spokesman, natural disasters are increasing as this global average temperature rises. Social and economic damage by this tendency is also increasing. In addition, the frequency and scale of social disasters are increasing. Damage to the living area due to the damage of the infrastructure due to the increased reliance on infrastructure has been increasingly enlarged. In this research, various disasters such as natural disasters and social disasters analyze the impact on urban safety. A local autonomous entity K Priority Management Establish a kind of disaster, prepare crisis management manual, and use it as a basic material of education / training.

Discussions on the Disaster Management for NaTech based on the Foreign Case Studies (국외 NaTech 사례연구를 통한 재난관리 방안 고찰)

  • Yoo, Byungtae;Baek, Jong-bae;Ko, Jae-wook
    • Journal of the Korean Society of Safety
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    • v.31 no.1
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    • pp.111-117
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    • 2016
  • Natural disasters can cause major accidents in chemical facilities where they can lead to the release of hazardous materials which in turn can result in fires, explosions or toxic dispersion. Technological disasters triggered by natural disasters are referred to as NaTech(Natural Disaster Triggered Technological Disaster). These trends increase the probability of catastrophic future disasters and the potential for mass human exposure to hazardous materials released during disasters. In the present study, we proposed some methods for effective disaster management by conducting case study of major NaTech. First, establishing information sharing system of chemical accident for stakeholders and improving disaster manuals and standards of central and local government and co-operation support system. Second, activating information service of emergency planning and community right to know. Third, improving the integrated chemical accident database including NaTech accidents.

Suggestion of Heavy Snow Risk Analysis in Seoul (서울시 폭설위험도 평가방안)

  • Lee, Sukmin;Bae, Yoon-Shin;Park, Jihye
    • International Journal of Highway Engineering
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    • v.16 no.3
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    • pp.59-66
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    • 2014
  • PURPOSES : This study is to suggest heavy snow risk analysis in Seoul. METHODS : Recently, the increase of extreme weather caused by global warming raises the occurrences of unpredictable natural disasters and the loss potential of human disasters by land use facilities accumulation. It is necessary to develop the risk analysis for the natural and human disasters. RESULTS : In this study, heavy snow risk analysis among natural disasters in Seoul was suggested. The spatial unit of risk analysis level was established for the lines and administrative districts. CONCLUSIONS : The risk analysis was performed using risk matrix of disaster occurrence score and disaster damage score. The components affecting the risk disaster analysis by types were analyzed and the application of heavy snow risk analysis was suggested.

Concepts and applications for integrating Unmanned Aerial Vehicles (UAV's) in disaster management

  • Naser, M.Z.;Kodur, V.K.
    • Advances in Computational Design
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    • v.5 no.1
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    • pp.91-109
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    • 2020
  • Over the past few decades, the impact of natural, manmade and natech (natural hazard triggering technological disasters) disasters has been devastating, affecting over 4.4 billion people. In spite of recent technological advances, the increasing frequency and intensity of natural disasters and the escalation of manmade threats is presenting a number of challenges that warrant immediate attention. This paper explores the integration of drones or Unmanned Aerial Vehicles (UAV's) into infrastructure monitoring and post-disaster assessment. Through reviewing some of the recent disasters, effectiveness of utilizing UAV's in different stages of disaster life cycle is demonstrated and needed steps for successful integration of UAV's in infrastructure monitoring, hazard mitigation and post-incident assessment applications are discussed. In addition, some of the challenges associated with implementing UAV's in disaster monitoring, together with research needs to overcome associated knowledge gaps, is presented.

An Analysis of the Korean Peninsula Damages Vulnerabilities for a Natural Disaster Mitigation : Focus on Public Facilities Damages (자연재해저감을 위한 한반도 피해 취약성 분석 : 공공시설피해를 중심으로)

  • Park, Jong-Kil;Jung, Woo-Sik;Choi, Hyo-Jin
    • Journal of Environmental Science International
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    • v.17 no.4
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    • pp.413-422
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    • 2008
  • This study aims to find out a state of the damages and vulnerable areas from natural disasters in the Korean peninsula using the prevention meteorological database information made by Park(2007b). Through the correlation analysis between damage elements and total property losses, we investigate the damages of public facilities, which have high correlation coefficient, and the cause of disasters and want to propose the basic information to set up the disaster prevention measures in advance. As a result, because most of the total property losses is the damages of public facilities, we can reduce the damages of natural disasters if we can predict the damages of public facilities or carry out the prevention activities in advance. The most vulnerable area for the natural disasters are Cangwon-do and Gyeongsangnam-do provinces. The vulnerable areas for the damages of public facilities by typhoon are Daegu metropolitan city, Cangwon-do, and Gyeongsangbuk-do provinces. These vulnerable areas will take place more frequently due to the climate change including Gyeongsangnam-do province so that we need to set up the disaster prevention measures and natural disaster mitigation plan. Also, we think that it has effect on reducing the damages of natural disasters to predict the damage scale and strongly perform the prevention activities in advance according to typhoon track and intensity.

Gale Disaster Damage Investigation Process Provement Plan according to Correlation Analysis between Wind Speed and Damage Cost -Centering on Disaster Year Book- (풍속과 피해액 간 상관관계분석에 따른 강풍재해피해조사 프로세스 개선방안 -재해연보를 중심으로-)

  • Song, Chang Young;Yang, Byong Soo
    • Journal of the Korean Society of Safety
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    • v.31 no.2
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    • pp.119-126
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    • 2016
  • Across the world, the industrialization has increased the frequency of climate anomaly. The size of damage due to recent natural disasters is growing large and fast, and the human damage and economic loss due to disasters are consistently increasing. Urbanization has a structure vulnerable to natural disasters. Therefore, in order to reduce damage from natural disasters, both hardware and software approaches should be utilized. Currently, however, the development of a statistical access process for 'analysis of disaster occurrence factor' and 'prediction of damage costs' for disaster prevention and overall disaster management is inadequate. In case of local governments, overall disaster management system is not established, or even if it is established, unscientific classification system and management lead to low utility of natural statistics of disaster year book. Therefore, in order to minimize disaster damage and for rational disaster management, the disaster damage survey process should be improved. This study selected gale as the focused analysis target among natural disasters recorded in disaster year book such as storm, torrential rain, gale, high seas, and heavy snow, and analyzed disaster survey process. Based on disaster year book, the gale damage size was analyzed and the issues occurring from the correlation of gale and damage amount were examined, so as to suggest an improvement plan for reliable natural disaster information collection and systematic natural disaster damage survey.

Interactive Region Segmentation Method Using Agglomerative Clustering

  • Park, Sanghyun
    • Journal of Advanced Information Technology and Convergence
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    • v.8 no.2
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    • pp.89-99
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    • 2018
  • Due to global warming, various natural disasters such as floods and droughts are increasing. If we can detect the possibility of natural disasters in advance, we can prevent massive damages caused by natural disasters. Recent advances in visual sensor technologies have enabled remote monitoring of a variety of natural environments, including lakes, rivers, and shores. In this paper, we propose a method to segment an image obtained from video sensor networks into regions in order to monitor the environment effectively. In the proposed method, we first partition the image into superpixels and model the connections between superpixels as a graph. Then, initial seeds for each region are set by using the prior information, and the initial seeds are expanded to form regions using agglomerative clustering. Experimental results show that the proposed method extracts the regions from natural environment images easily and accurately.

Ensuring Economic Benefits of Mitigation Projects for Improving the Image of Construction Industry

  • Son, Chang-Baek;Shin, Won-Sang;Kim, Dae Young
    • Journal of Korea Society of Industrial Information Systems
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    • v.19 no.3
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    • pp.67-74
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    • 2014
  • Over the last several decades, the United States has experienced a great number of natural disasters. To minimize the impact of the natural hazard events, the U.S. government spent a tremendous amount of money through federal assistant programs. To be eligible for the programs, a mitigation project must be cost effective (more benefits compared to project costs). However, the state and local communities suffering from the natural disasters generally have difficulty in collecting reliable evidence for their damages which can be converted later into benefits when a mitigation project is implemented. Therefore, this paper shows the process of conducting a benefit cost analysis with limited data. Besides, it also provides how to apply the limited data to the analysis through a case study. Consequently, this paper help state and local communities get funding from the federal government, which in turns will improve the image of construction industry by preventing people from natural disasters.

Direction for Technology Development to mitigate Natural and Man-made Disaster (자연재해 및 인위재난 저감(低減)기술개발 방향)

  • Park, Kyung-Boo
    • Journal of the Korean Professional Engineers Association
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    • v.38 no.6
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    • pp.13-18
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    • 2005
  • Emphasized in this paper are past experiences of disasters by l kinds in Korea and various problems facing the country compared to those of Japan, together with definition of disasters both natural as well as man-made. In chapter 3, R&D subjects performed or to be performed by various research organizations in Korea are briefly introduced, and necessity of active investment to prevent those disasters are strongly suggested on the part of government.

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A Study on the System Improvement for Efficient Management of Large-scale Complex Disaster (대형복합재난의 효율적 관리를 위한 제도개선방안 연구)

  • Kim, Taehoon;Youn, Junhee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.19 no.5
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    • pp.176-183
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    • 2018
  • Climate change, rapid urbanization, and population concentration have led to a higher frequency and magnitude of disasters in the world. Recently, the occurrence of large-scale complex disasters, which are caused by a combination of natural disasters, man-made disasters, and social disasters, is increasing. In Korea, there are many case studies of damage prediction and response technology development for individual natural disasters, such as earthquakes, floods, and typhoons. On the other hand, the system basis for the efficient response and management of large-scale complex disasters is insufficient. Therefore, this study examined the representative cases of natural, social disasters, and related cases of domestic disaster response management systems. In addition, this paper proposes ways to improve the legal system for complex disaster management policies and establish a cooperation system between the ministries for an efficient response.