• Title/Summary/Keyword: disaster-damages

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Application of GIS to Typhoon Risk Assessment (지리정보시스템을 이용한 태풍 위험 평가)

  • Lee, Sung-Su;Chang, Eun-Mi
    • Spatial Information Research
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    • v.17 no.2
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    • pp.243-249
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    • 2009
  • Damages from typhoon events have contributed more than 60 percent of total economic and social loss and the size of loss have been increased up to 800 million dollars per year in Korea, It is therefore necessary to make an effort to mitigate the loss of natural disasters. To facilitate the evaluation of damages in advance and to support the decision making to recover the damages, scientific methods have been adopted. With the effort, GIS data can provide various tools. Three components of hazard mapping are estimation of hazard, inventory for vulnerable features, and fragility of each feature. Vulnerability of natural disaster can be obtained by relation between loss and meteorological data such as precipitation and wind speed. Features can be categorized from other GIS data of public facilities and private properties, and then social and economic loss can be estimated. At this point, GIS data conversions for each model are required. In this study, we build a method to estimate typhoon risk based on GIS data such as DEM, land cover and land use map, facilities.

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Development of Core Module and Web System for a Visualization Platform for the 3D GIS Service of Disaster Information using Unity (재난정보 3차원 GIS 서비스를 위한 Unity 기반 시각화 플랫폼 핵심모듈 개발 및 웹 시스템 구축)

  • Gang, Su Myung;Ryu, Dong Ha;Kim, Tae Su;Park, Hyeon Cheol;Kim, Jin Man;Choung, Yun Jae
    • Journal of Korea Multimedia Society
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    • v.20 no.3
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    • pp.520-532
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    • 2017
  • Large-scale natural disasters such as typhoon and localized torrential downpour cause widespread human and property damages. Recently, management systems using GIS are being developed to manage such disasters from various angles. Integrated disaster management encompasses diverse areas such as prediction through the computation of disaster information and field support for response. The development of disaster information systems must also consider the installation of various computation modules. Furthermore, GIS is generally included for realistic description of the field situation and for spatial operations. This study aims to develop the core module of a visualization platform for the 3D GIS services of integrated disaster information using Unity engine This system will enable integrated disaster management from various angles, encompassing disaster prevention experts, field support personnel, and citizens.

Conservation of Rivers and National Reimbursement Responsibility (하천관리와 국가배상책임)

  • Kim, Dong-Bok
    • Proceedings of the Korea Contents Association Conference
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    • 2006.05a
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    • pp.322-326
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    • 2006
  • There are the road of the artificial government property and rivers of the natural government property in representative Public Facilities applied National Reimbursement Law. Art.5. Doctrine on Responsibility of Public Facilities. Recently damage of a people has frequently been occurring caused by the flood of rivers and the flood disaster, and a people tends to request national reimbursement regarded it not as a natural disaster but as a man-made disaster. Especially the flood repeatedly occurred by the flood of rivers and destructive of the embankment of rivers, and it is also occurring in repairing rivers. Therefore a nation have to take responsibility of compensation for damage because of defect of conservation of rivers, and pay attention to improving the facilities of conservation and at the same time expand the range of responsibility. Thus the range of this study limits the national reimbursement of conservation of rivers among National Reimbursement Law. Art.5. Compensation for Damages on Defect about an Establishment and Management of public Facilities. Within this range, the objection of this study is to seek controversial issues and solutions, which belong with national reimbursement responsibility about conservation of rivers, as every principle of law and precedent coming under natural government property about compensation for damages caused by defect of conservation of rivers is analyzed and examined.

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A Study of Recovery Standards and Post-Evaluation Method for Long Term Community Preventive Recovery Plan (개선복구계획 수립기준 및 효과측정 연구)

  • Jung, Woo-Young;Jung, Sang-Man;Choi, Hyun-Kyu;Lee, Sang-Moon
    • Journal of the Korean Society of Hazard Mitigation
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    • v.9 no.2
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    • pp.31-37
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    • 2009
  • Most damages of civil infrastructures under natural disasters are frequently occurred at surrounding areas of the river or the road. Every year, Recovery for these disaster damages are performed by the government. Recently, the government decide to change current recovery plan system because current recovery plan which doesn't consider future disaster impacts at a site has been proved to be ineffective. Accordingly, new permanency recovery plan system is needed and its corresponding ideas are presented in this research considering more detailed disaster damage classifications and cause assessments. The proposed permanency recovery plan would also provide more systematic and diverse recovery response strategies including both two concepts, for example Preparedness considered by risk assessment and management, and Mitigation investigated by hazard impact analyses.

A Case Study on Disaster and Characteristics of Debris Flows by Heavy Localized Rainfall of Gangwon Areas in July, 2006 (2006년 강원지역 토석류의 특성과 피해현황분석)

  • Song, Pyung-Hyun;You, Byung-Ok;Jung, Chan-Gyu;Ahn, Kwang-kuk;Lee, Cheo-kun
    • 기술발표회
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    • s.2006
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    • pp.146-155
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    • 2006
  • A study for damage degree and reduction programs of disaster was performed after collecting and analyzing the damage data by the type of flood damage resulting from the localized rainfall Gangwon area has been damaged by heavy localized rainfall between July 15 and 17 in 2006 Specially, a number of people was killed and much properties were lost in Inje, Yangyang and Pyeongchang area Recently, the damages by debris flow has been increased more than any other disaster causes, because heavy rainfall closed to about 100mm/hr by global warming in short time has been developed frequently. In other words, an area forming a highland has a potential debris flow Therefore, in this study, the damages data by debris flow in the area of Inje and Yangyang were collected and analyzed to consider the type of flood damage In future, it must be tried to find a complementary solution and establishing management system for debris flow when the civil construction begins

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Earthquake Damage Assessment of Buildings in Urban Area using Disaster Management Platform (재난관리플랫폼을 이용한 도심지 건물군의 지진피해평가)

  • Jang, Sung-Hyun;Kwon, Dong-Hee;Hwang, Chan-Gyu;Choi, Soo-Young;Chey, Min-Ho
    • Journal of the Korea Convergence Society
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    • v.10 no.6
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    • pp.25-31
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    • 2019
  • Because of its physical characteristics, earthquake has a great impact on a wide area in a short time, so it needs a resilience based seismic countermeasures to restore the community function. For this reason, in this study, the seismic damages of urban buildings were assessed stochastically by virtual earthquakes using public data information and disaster management program(Ergo-EQ). A geographical map reflecting geological characteristics of the target area was created with the buildings and topographic data in Dalseo-gu, Daegu City. In addition, an integrated database including building characteristics was modified to be linked with the Ergo-EQ program. The seismic damages for the buildings were evaluated through the exceedance probability of four different damage levels. From the damage results, it can be identified not only the seismic damage of each building, but also the major factors affecting earthquake damage.

Development of Regional Flood Debris Estimation Model Utilizing Data of Disaster Annual Report: Case Study on Ulsan City (재해연보 자료를 이용한 지역 단위 수해폐기물 발생량 예측 모형 개발: 울산광역시 사례 연구)

  • Park, Man Ho;Kim, Honam;Ju, Munsol;Kim, Hee Jong;Kim, Jae Young
    • Journal of Korea Society of Waste Management
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    • v.35 no.8
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    • pp.777-784
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    • 2018
  • Since climate change increases the risk of extreme rainfall events, concerns on flood management have also increased. In order to rapidly recover from flood damages and prevent secondary damages, fast collection and treatment of flood debris are necessary. Therefore, a quick and precise estimation of flood debris generation is a crucial procedure in disaster management. Despite the importance of debris estimation, methodologies have not been well established. Given the intrinsic heterogeneity of flood debris from local conditions, a regional-scale model can increase the accuracy of the estimation. The objectives of this study are 1) to identify significant damage variables to predict the flood debris generation, 2) to ascertain the difference in the coefficients, and 3) to evaluate the accuracy of the debris estimation model. The scope of this work is flood events in Ulsan city region during 2008-2016. According to the correlation test and multicollinearity test, the number of damaged buildings, area of damaged cropland, and length of damaged roads were derived as significant parameters. Key parameters seems to be strongly dependent on regional conditions and not only selected parameters but also coefficients in this study were different from those in previous studies. The debris estimation in this study has better accuracy than previous models in nationwide scale. It can be said that the development of a regional-scale flood debris estimation model will enhance the accuracy of the prediction.

Probabilistic Risk Evaluation Method for Human-induced Disaster by Risk Curve Analysis (확률.통계적 리스크분석을 활용한 인적재난 위험평가 기법 제안)

  • Park, So-Soon
    • Journal of the Korean Society of Hazard Mitigation
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    • v.9 no.6
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    • pp.57-68
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    • 2009
  • Recently, damage scale of human-induced disaster is sharply increased but its occurrences and damages are so uncertain that it is hard to construct a resonable response & mitigation plan for infrastructures. Therefore, the needs for a advanced risk management technique based on a probabilistic and stochastic risk evaluation theory is increased. In this study, these evaluation methods were investigated and a advanced disaster risk evaluation method, which is based on the probabilistic or stochastic risk assessment theory and also is a quantitative evaluation technique, was suggested. With this method, the safety changes as the result of fire damage management for recent 40 years was analyzed. And the result was compared with that of Japan. Through the consilience of the traditional risk assessment method and this method, a stochastical estimation technique for the uncertainty of future disaster's damage could support a cost-effective information for a resonable decision making on disaster mitigation.

On Efficient Implementation of the Regeneration Projects for the Zones Vulnerable to Natural Disasters (자연재해위험지구 정비사업의 효율적인 추진방안 연구)

  • Kim, Seonguen;Cho, Woncheol;Lee, Taeshik;Shim, Jaehyun
    • Journal of Korean Society of societal Security
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    • v.1 no.1
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    • pp.45-51
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    • 2008
  • The purpose of this study is to suggest some effective ways to implement the regeneration projects for the zones vulnerable to natural disasters which have been delayed due to shortage of the financial resources, and thereby complete the disaster prevention projects as early as possible and thus secure the financial resources for the projects continuously. For this purpose, the researcher reviewed the statutory grounds and designation procedures or the zones vulnerable to natural disasters, and thereupon, examined and analyzed the regeneration projects being implemented in Gyeonggi-do in view of contents by zone, history of damages, annual investment plans and financial resources for investments. In addition, the researcher examined the criteria for reserve of the disaster management fund and its uses and investigated the fund sources and expenditures and thereby, addressed the problems of the statutory reserve and suggested their solutions. All in all, the researcher suggested that the disaster management fund should be invested in regeneration projects for the zones vulnerable to natural disasters in order to remove the disaster risks earlier and that the uses of the fund should be adequately deregulated with a reserve fund ceiling system to secure the financial resources for the disaster prevention projects continuously.

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An Implementation of the Disaster Management Systems on the Space and Terrestrial System Damages by Solar Maximum (태양폭풍 영향 우주 및 육상시스템 피해에 관한 재난안전정보시스템 구현)

  • Oh, Jongwoo
    • Journal of the Society of Disaster Information
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    • v.8 no.4
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    • pp.419-431
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    • 2012
  • This paper takes precautions proposals against prospective disasters from the space weather maximum in 2013. A geomagnetic space storm sparked by a solar maximum like the one that flared toward earth is bound to strike again and could wreak havoc across the modern world. The purpose of the study is that the disaster reduction and safety service implementation study on the ultimate space weather systems by the information systems of the space weather. The process methods of the study are that an implementation of preparation for the smart IT and GIS based disaster management systems of the solar maximum deal with analysis on the flare, solar proton event, and geomagnetic storm from space blasters, These approach and methods for the solar maximin display national policy implementation of the pattern of the radio wave disasters from the protection and preparation methods. This research can provide affective methods for the saving lives and property protections that implementation of the disaster prediction and disaster prevention systems adapts the smart IT systems and converged decision making support systems using uGIS methodology.