• Title/Summary/Keyword: 강풍 피해

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A Simple Regression Model for Predicting the Wind Damage according to Correlation Analysis Between Wind Speed and Damage: Gyeongsangbuk-do (풍속과 피해액의 상관관계 분석에 따른 강풍 피해예측 단순회귀모형 개발: 경상북도)

  • Song, Chang-Young;Lee, Ho-Jin;Lee, Chang-Jae
    • Proceedings of the Korean Society of Disaster Information Conference
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    • 2016.11a
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    • pp.207-211
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    • 2016
  • 최근 세계적으로 기후변화에 따라 자연재해에 의한 피해가 대형화, 가속화 되면서 이를 예측하고 대응할 수 있는 체계적이며 국내 특성을 반영할 수 있는 피해예측 시스템의 필요성이 제기되고 있다. 국내에서는 경험적 통계기반의 강우예측에 대한 연구가 주로 진행되었으며, 강풍에 대한 연구는 부족한 상황이다. 본 연구는 기존의 연구와는 달리 모델링을 통한 예측이 아닌 실제 발생한 강풍 피해 자료를 기반으로 풍속에 따른 피해액을 예측할 수 있는 강풍 피해예측 단순회귀모형을 개발하는 것을 목적으로 한다.

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Development of Estimation Functions for Strong Winds Damage Based on Regional Characteristics : Focused on Jeolla area (지역특성 기반의 강풍피해 예측함수 개발 : 전라지역을 중심으로)

  • Song, Chang Young;Yang, Byong Soo
    • Journal of Korean Society of Disaster and Security
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    • v.13 no.4
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    • pp.13-24
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    • 2020
  • Abnormal weather conditions have lately been occurring frequently due to the rapid economic development and global warming. Natural disasters classified as storm and flood damages such as heavy rain, typhoon, strong wind, high seas and heavy snow arouse large-scale human and material damages. To minimize damages, it is important to estimate the scale of damage before disasters occur. This study is intended to develop a strong wind damage estimation function to prepare for strong wind damage among various storm and flood disasters. The developed function reflects weather factors and regional characteristics based on the strong wind damage history found in the Natural Disaster Yearbook. When the function is applied to a system that collects real-time weather information, it can estimate the scale of damage in a short time. In addition, this function can be used as the grounds for disaster control policies of the national and local governments to minimize damages from strong wind.

Development of Estimation Functions for Strong Winds Damage Reflecting Regional Characteristics Based on Disaster Annual Reports : Focused on Gyeongsang Area (재해연보 기반 지역특성을 반영한 강풍피해예측함수 개발 : 경상지역을 중심으로)

  • Rho, Jung-Lae;Song, Chang-young
    • Journal of the Society of Disaster Information
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    • v.16 no.2
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    • pp.223-236
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    • 2020
  • Purpose: In this study, a strong wind damage prediction function was developed in order to be used as a contingency during disaster management (preventive-preventive-response-recovery). Method: The predicted strong wind damage function proposed in this study took into account the re-enactment boy power, weather data and local characteristics at the time of damage. The meteorological data utilized the wind speed, temperature, and damage history observed by the Korea Meteorological Administration, the disaster year, and the recovery costs, population, vinyl house area, and farm water contained in the disaster report as factors to reflect the regional characteristics. Result: The function developed in this study reflected the predicted weather factors and local characteristics based on the history of strong wind damage in the past, and the extent of damage can be predicted in a short time. Conclusion: Strong wind damage prediction functions developed in this study are believed to be available for effective disaster management, such as decision making by policy-makers, deployment of emergency personnel and disaster prevention resources.

The Distribution of Natural Disaster in Mountainous Region of Gangwon-do (강원도 산지지역의 자연재해 분포 특성)

  • Lee, Seung-Ho;Lee, Kyoung-Mi
    • Journal of the Korean Geographical Society
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    • v.43 no.6
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    • pp.843-857
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    • 2008
  • This study analyzed distribution of natural disaster and trend of related climatic elements in mountainous region of Gangwon-do. In mountainous region of Gangwon-do, there have been 27 natural disasters of which heavy rainfall have the leading cause for the last 5 years(16 times in 2003-2007). It has been 9 natural disasters in Jinbu-myeon Pyeongchang-gun, the most frequent area. The mountainous region has been larger natural damage than its surrounding regions and there has been more damage at higher altitudes. While the heavy rainfall have caused damage over the northwest of mountains, most typhoons have damaged southern part of mountains. Most mountainous region suffers from strong wind but damage by snow is small. In mountainous region of Gangwon-do, annual precipitation, intensity of precipitation and heavy rainfall days have been increasing since 2000 and this tendency is significant in its intensity. However, annual snowfall, snowfall days and heavy snowfall days have been clearly decreasing since 2000. In case heavy rainfall accompanies strong wind, the damages are larger in mountainous region of Gangwon-do. Therefore it is important to be prepared for heavy rainfall and strong wind.

An Evaluation of the Maximum Damage Cost in Gyeongsangnam-do by Typhoon Maemi's 3-second gust (태풍 Maemi에 의한 3-second gust가 경상남도에 미치는 최대 피해액 산정)

  • Jung, Woo-Sik;Park, Jong-Kil;Choi, Hyo-Jin
    • 한국방재학회:학술대회논문집
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    • 2010.02a
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    • pp.114.1-114.1
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    • 2010
  • 본 연구에서는 우리나라에 적합한 재해예측모형을 구축하기 위하여 중해상도(10km)의 입력 자료를 이용하여 태풍에 의해 지상에 발생 가능한 3-second gust를 추정하였다. 중해상도 입력자료의 구축은 경상남도(부산광역시 포함) 시 군 구 단위의 행정구역으로 구분하였으며, 추정된 3-second gust를 이용하여 건물의 주요구성 요소별로 피해 확률을 구한 뒤, 발생 가능한 최대피해액을 산정하였다. 태풍 Maemi에 의한 최대강풍 피해액은 여러 주택유형 중에서도 '대표주택' 유형의 경우 약 6천억 원으로 분석되었다. 비교적 내륙에 위치한 지역에서는 적은 피해액을, 해안가에 위치한 지역에서는 많은 피해액을 나타내며, 부산광역시에서 피해액이 높은 구 군의 경우 경상남도 시 군의 평균적인 피해액과 비슷한 것으로 보아 부산이 경상남도와 비교하여 면적으로는 작지만 태풍에 의한 강풍에 매우 취약함을 알 수 있다.

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Relationships between Intensity of Extreme Climate Events and Magnitude of Damages for Different Typhoon Tracks in the Republic of Korea (우리나라 태풍 내습 유형별 극한기후현상 강도와 피해 규모의 관련성)

  • Lee, Seung-Wook;Ahn, Suk-Hee;Lim, Byunghwan;Choi, Gwangyong
    • Journal of the Korean association of regional geographers
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    • v.22 no.2
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    • pp.450-465
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    • 2016
  • The purpose of this study is to examine the spatial characteristics of relationships between the intensity of extreme climate events driven by typhoons and the magnitude of economic damages at local municipality scales across the Republic of Korea for the recent 15-year period (2000~2014). As results, it is observed that the intensity of extreme temperature events such as heavy rainfall and gusty wind accounts for 50% of the damages magnitude across Korea, while the correlation between the two at the Si-Gun municipality level regionally varies. Positive correlations between the intensity of heavy rainfall events and typhoon damages are observed in the southeastern regions of Taebaek-Sobaek mountain ridges, while such statistically-significant patterns are not detected in the northwestern region. In contrast, statistically-significant positive correlations between the strength of gusty winds and damages are found in most of regions except for some interior regions and northeastern mountainous regions. Classification maps of major extreme climate event types (heavy rainfall-prevailing type, gusty wind-prevailing type, and their combined type) leading to typhoon damages at the Si-Gun municipality scales provided in this study may help local administrations to make the optimized policies for typhoon damage mitigation.

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Assessment of Extreme Wind Risk for Window Systems in Apartment Buildings Based on Probabilistic Model (확률 모형 기반의 아파트 창호 시스템 강풍 위험도 평가)

  • Ham, Hee Jung;Yun, Woo-Seok;Choi, Seung Hun;Lee, Sungsu;Kim, Ho-Jeong
    • Journal of the Computational Structural Engineering Institute of Korea
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    • v.28 no.6
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    • pp.625-633
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    • 2015
  • In this study, a coupled probabilistic framework is developed to assess wind risk on apartment buildings by using the convolution of wind hazard and fragility functions. In this framework, typhoon induced extreme wind is estimated by applying the developed Monte Carlo simulation model to the climatological data of typhoons affecting Korean peninsular from 1951 to 2013. The Monte Carlo simulation technique is also used to assess wind fragility function for 4 different damage states by comparing the probability distributions of the window system's resistance performance and wind load. Wind hazard and fragility functions are modeled by the Weibull and lognormal probability distributions based on simulated wind speeds and failure probabilities. The modeled functions are convoluted to obtain the wind risk for the different damage levels. The developed probabilistic framework clearly shows that wind risk are influenced by various important characteristics of terrain and apartment building such as location of building, exposure category, topographic condition, roof angle, height of building, etc. The risk model presented in this paper can be used as tools to predict economic loss estimation and to establish wind risk mitigation plan for the existing building inventory.

A Study on Development and Utilization of Wind Hazard Maps (강풍위해지도 개발 및 활용 방안에 관한 연구)

  • Lee, Young-Kyu;Lee, Sung-Su;Ham, Hee-Jung
    • Journal of the Korean Society of Hazard Mitigation
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    • v.11 no.3
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    • pp.1-8
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    • 2011
  • In this study, a wind hazard map over Korea peninsula based on geographical information is developed, which consists of the surface roughness model, the topographical effect model and the homogeneous wind model. The surface roughness model is assessed to evaluate the effect of the surface roughness on the wind field near ground. The topographical effect model is assessed to quantify the effect of the speed-up caused by topology, which is calculated by adopting the topographical effect factor in Korea building code (2005). The homogeneous wind map is created either by a frequency analysis method for meteorological data or a typhoon simulation. The results show that the wind hazard map can be applied to the determination of insurance premium as well as the assessment of loss and damage.

태풍에 의한 강풍 피해 산정을 위한 대표 주택 유형 선정 (I)

  • Park, Jong-Gil;Jeong, U-Sik;Choe, Hyo-Jin
    • Proceedings of the Korean Environmental Sciences Society Conference
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    • 2008.11a
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    • pp.117-119
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    • 2008
  • 본 연구에서는 한반도에 상륙하는 태풍에 의해 강풍이 발생하여 지상의 주택에 미칠 피해를 산정하기 위한 기초 단계로 한반도 주택의 가장 보편적인 유형을 선정하고자 하였다. 그 결과 본 연구에 가장 적합하면서도 가장 보편적인 주택 유형은 평균면적이 85m$^2$ 인 1층 단독주택이라 할 수 있다.

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