• Title/Summary/Keyword: Natural disaster damage

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Pilot Study on the Typhoon for the Meteorological Information Application and Disaster Prevention (기상정보 활용 및 방재를 위한 태풍 사례 연구)

  • Park, Jong-Kil;Jung, Woo-Sik;Choi, Hyo-Jin
    • Journal of the Korean Society of Hazard Mitigation
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    • v.7 no.1 s.24
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    • pp.21-28
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    • 2007
  • It is very difficult to forecast accurately a damage from the natural disaster which occurs frequently due to the climate change. When the significant weather event is forecast, it will be able to minimize a damage with the suitable prevention action. But 2000's our country meterological disaster damage is a several trillion won. Therefore, this paper analyzes Korea Meterological Administration, Japan Meterological Agency, television and newspaper have reported, information substance, transmission system, an ex post facto valuation about typhoon Nabi between september $5{\sim}7$ in 2005 and heavy rainfall in 1998 at Japan. Through the investigation, we want to present basic data order to rises the application effect of disaster prevention meterological information. We think KMA must present many information report to promote a people's understanding about the meterological information and the serious disaster situation. Also the disaster damage estimation model development is necessary, which forecasts the accurate damage scale due to the weather event, such as typhoon, heavy rainfall, strong wind. And also we think the KMA, National Emergency Management Agency, related agency, television and newspaper must positive reports the contents which is suitable to disaster response phases and an ex post facto examination. Then it grasps the problem of disaster prevention meterological information and must improve effectively.

A Study on Power Outage Cost Analysis according to Distribution System Resilience and Restoration Strategies (배전계통 복원력 확보 및 복원 전략에 따른 정전비용분석에 관한 연구)

  • Sehun Seo;Hyeongon Park
    • Journal of the Korean Society of Safety
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    • v.38 no.1
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    • pp.18-24
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    • 2023
  • Severe natural disasters and man-made attacks such as terrorism are causing unprecedented disruptions in power systems. Due to rapid climate change and the aging of energy infrastructure, both the frequency of failure and the level of damage are expected to increase. Resilience is a concept proposed to respond to extreme disaster events that have a low probability of occurrence but cause enormous damage and is defined as the ability of a system to recover to its original function after a disaster. Resilience is a comprehensive indicator that can include system performance before and after a disaster and focuses on preparing for all possible disaster scenarios and having quick and efficient recovery actions after an incident. Various studies have been conducted to evaluate resilience, but studies on economic damage considering the duration of a power outage are scarce. In this study, we propose an optimal algorithm that can identify failures after an extreme disaster and restore the load on the distribution system through emergency distributed power generation input and system reconfiguration. After that, the cost of power outage damage is analyzed by applying VoLL and CDF according to each restoration strategy.

Development of Web-GIS based Real-Time Natural Disaster Damage Information Management System (웹GIS를 이용한 실시간 자연재해 피해정보 관리시스템 개발에 관한 연구)

  • Kim, Tae-Hoon;Kim, Kye-Hyun;Shim, Jae-Hyun;Choi, Woo-Jung
    • Journal of Korea Spatial Information System Society
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    • v.10 no.4
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    • pp.103-107
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    • 2008
  • This study mainly focused on the development of real-time based damage investigation system using web-GIS. The study area was Gangseo-Gu in Busan where frequently has relatively higher magnitude of damages from natural disasters. GIS DB was built to provide geospatial data such as 1:1,000 and 1:5,000 topographic maps and IKONOS high resolution satellite data. The web-GIS system has demonstrated the higher contribution for the better response and recovery against any type of natural disasters through real-time communication and data dissemination among government agencies and personnel. However, further researches need to be made to improve system capabilities. In addition, for more effective system operation and maximizing the benefits of exploiting web-GIS system, linkage with national DB such as NDMS is essential.

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Development of Compression and Transmission Technology of GIS-based High Resolution Image Data in Flood Disaster Situation (홍수재난 상황에서 GIS 기반의 고해상도 영상데이터의 압축 및 전송 기술 개발)

  • Lee, Seung Hyeon;Lee, Eung Joon;Choung, Yun Jae
    • Journal of Korea Multimedia Society
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    • v.20 no.7
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    • pp.1038-1045
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    • 2017
  • The increase in frequency and scale of natural disasters is the typical negative examples of the global climate change and the change of the human living environment. The damage caused by natural disasters in particular including human and physical damage is directly linked to the safety and properties of citizens. Besides, damage occurs directly or indirectly to the SOC facility, and the damaged SOC facility violates the citizens' safety rights. Therefore, a plan to provide prompt and effective risk map information by linking a 3D disaster information display system, which handles the information of the damage that may occur to SOC facilities at the time of disasters, with an on-site assistance application is suggested in this study. The prompt provision of risk map information is defined as a dynamic expression technology in this study. It also processes and compresses the system to display disaster information, a spreading system that can utilize on-site information, and a module developed to organically link with the DB system that builds information and relationships. Based on the module, the effective disaster information compression plan will be prepared, and the prompt information transmission system will be secured.

Development of Predicting Function for Wind Wave Damage based on Disaster Statistics: Focused on East Sea and Jeju Island (재해통계기반 풍랑피해액예측함수 개발 : 동해안, 제주를 중심으로)

  • Choo, Tai-Ho;Kwon, Jae-Wook;Yun, Gwan-Seon;Yang, Da-Un;Kwak, Kil-Sin
    • Journal of the Korean Society for Environmental Technology
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    • v.18 no.2
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    • pp.165-172
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    • 2017
  • In current stage, it is hard to predict the scale of damage caused by natural disaster and it is hard to deal with it. However, in case of disaster planning level, if it is possible to predict the scale of disaster then quick reaction can be done which will reduce the damage. In the present study, therefore, function of wind wave damage estimation among various disaster is developed. Damage of wind wave and typhoon in eastern and Jeju coastal zone was collected from disaster report (1991~2014) published by Ministry of Public Safety and Security and to reflect inflation rate, 2014 damage cost was converted. Also, wave height, wind speed, wave direction, wave period, etc was collected from Meteorological Administration and Korea Hydrographic and Oceanographic Administration web site. To reflect the characteristic of coastal zone when wave damage occurs, CODI(Coastal Disaster Index), COSI(Coastal Sensitivity Index), CPII(Coastal Potential Impact Index) published by Korea Hydrographic and Oceanographic Agency in 2015 were used. When damage occurs, function predicting wind wave damage was developed through weather condition, regional characteristic index and correlation of damage cost.

Effects of Changing in Wind Environment of Typhoon Approaching to a Building (태풍 접근에 의한 바람 환경 변화가 건물에 미치는 영향)

  • Park, Jong-Kil;Jung, Woo-Sik;Choi, Hyoj-In
    • 한국신재생에너지학회:학술대회논문집
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    • 2009.06a
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    • pp.561-564
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    • 2009
  • In order to reduce damage from natural disasters, prevention activities through analysis and predicting based on meteorological factor and damage data is required. Other countries already have continuously studied on natural disasters and developed reducing disasters damage. But the risk assessment model for natural disaster is not to Korea. Therefore, a previous model of hurricane, Florida Public Hurricane Loss Model(FPHLM), is the basis and is applying to domestic situation. Accordingly, this study introduces the variables selecting process because input variables should be selected under Korea present state and be used. The estimating representative damage method would be necessary along with selecting housing types representing relevant areas because estimating damage amount of all over relevant areas housing was very hard during damage estimating process. But there is no exact representative housing types in the Korea. Therefore, we select housing types applicable to risk assessment model for natural disasters representing the Korea through previous studies and literature reviews. We using ASCE 7-98(Minimum Design Loads for Buildings and Other Structures, 1998) standard which estimated wind load using 3-second gust. ASCE 7-98 divided Main Wind Force Resistance System(MWFRS) and Component and Cladding(C&C) and it estimated wind load. Therefore, we estimate wind load affected by 3-second gust of a typhoon Maemi through calculating wind load process using selected representative detached house types in the process of selecting input variables for previous disaster predict model. The result of houses damage amount is about 230 hundred million won. This values are limit the 1-story detached dwelling, 19~29pyeong(62.81~95.56 $m^2$) of total area and flat roof. Therefore, this process is possible application to other type houses.

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Conceptual Design of Damage Assessment Inventory in Response to Disaster Risk for Infrastructures Close to River (수변구조물 재해 위험에 대응하기 위한 피해 평가 인벤토리 개념 설계)

  • Jo, Yun-Won;Choi, Hyeoung-Wook;Choi, Soo-Young;Jo, Myung-Hee
    • Journal of the Korean Association of Geographic Information Studies
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    • v.17 no.1
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    • pp.144-158
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    • 2014
  • This research presented a conceptual design of damage assessment inventory for efficient response to natural disaster damage of infrastructure close to the river. It consists of classification and categorization of facilities for accomplishing the conceptual design of inventory for damage of infrastructure close to the river. However, there are arising problems of efficient management on disaster, such as poor management of data facilities and constructions which is managed by the different types of government departments. Therefore, this research presented conceptual models of damage assessment inventory on risks of damage infrastructure close to the river using the United states' HAZUS-MH to analyze damage facilities, type of asset classification, classification of domestic facilities and guidelines for computing the value of assets. Conceptual models of inventory this research presented is to be used on the data for damage response on protected inland damage assessment and to increase efficiency for evaluating detailed damage amount of private property by natural disaster and to establish a restoration plan.

Proposal for Wind Wave Damage Cost Estimation at the Southern Coastal Zone based on Disaster Statistics (재해통계기반 남해연안지역 풍랑피해액예측함수 제안)

  • Choo, Tai-Ho;Yun, Gwan-Seon;Kwon, Yong-Been;Park, Sang-Jin;Kim, Seong-Ryul
    • The Journal of the Korea Contents Association
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    • v.17 no.4
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    • pp.267-274
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    • 2017
  • The natural disasters such as typhoon, earthquake, flood, heavy rain, drought, sweltering heat, wind wave, tsunami and so on, are difficult to estimate the scale of damage and spot. Also, these disasters were being damaged to human life. However, if based on the disaster statistics the past damage cases are analyzed and the estimated damages can be calculated, the initial damage action can be taken immediately and based on the estimated damage scale the damage can be mitigated. In the present study, therefore, we proposed the functions of wind wave damage estimation for the southern coast. The functions are developed based on Disaster Report('91~'14) for wind wave and typhoon disaster statistics, regional characteristics and observed sea weather.

Design and Implementation of Web-Based Support System for Disaster Damage Recovery of SOC Facility (웹기반 SOC 시설물 재난피해복구지원시스템 설계 및 구현)

  • Yoon, Hyuk-Jin;Lee, Keum-Tark;Kim, Joo-Sung;Chang, Tai-Woo
    • The Journal of Society for e-Business Studies
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    • v.20 no.4
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    • pp.227-239
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    • 2015
  • To decrease the damage of infrastructure from the natural disaster, initial reaction and emergent recovery are important. But up to now emergent recovery has mainly focused on the situation notices owing to the lack of technical support. In this paper, we described a web-based support system for disaster damage recovery of facility and electronic documents for requesting support of recovery resources. Recovery methods are decided using the damage recovery scenarios based on the acquired damage information, and the allocated recovery resources information is delivered to the recovery resources owner using the electronic documents. This system could readily be used for disaster response and emergency recovery.

A scheme on multi-tier heterogeneous networks for citywide damage monitoring in an earthquake

  • Fujiwara, Takahiro;Watanabe, Takashi;Shinozuka, Masanobu
    • Smart Structures and Systems
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    • v.11 no.5
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    • pp.497-510
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    • 2013
  • Quick, accurate damage monitoring is strongly required for damage assessment in the aftermath of a large natural disaster. Wireless sensor networks are promising technologies to acquire damage information in a citywide area. The wireless sensor networks, however, would be faced with difficulty to collect data in real-time and to expand the scalability of the networks. This paper discusses a scheme of network architecture to cove a whole city in multi-tier heterogeneous networks, which consist of wireless sensor networks, access networks and a backbone network. We first review previous studies for citywide damage monitoring, and then discuss the feature of multi-tier heterogeneous networks to cover a citywide area.