• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2021년도 학술발표회
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• pp.126-126
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• 2021

Stormwater reduction plays an important role in the safety and resilience to flooding in urban areas. Due to rapid climate change, the world is experiencing abnormal climate phenomena, and sudden floods and concentrated torrential rains are frequently occurring in urban basins and the amount of outflow due to stormwater increases. In addition, the damage caused by urban flooding and inundation due to extreme rainfall exceeding the events that occurred in the past increases. To solve this problem, water supply, drainage, and water supply for sustainable urban development, the water management paradigm is shifting from sewage maintenance to water circulation and water-sensitive cities. So, in this study, The purpose of this study is to examine measures to increase the resilience of urban ecosystem systems for urban excellence reduction by analyzing the effects of green infra structures and LID techniques and evaluating changes in resilience. In this study, for simulating and analysis of runoff for various stormwater patterns and LID applications, Storm Water Management Model (SWMM) was used.

• 한국수자원학회논문집
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• 제57권6호
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• pp.371-383
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• 2024

회복력의 정량화방법과 정의는 다양하며 많은 분야에서 연구되어지고 있다. 하지만 이러한 다양성은 회복력의 의미, 지표 등에서 해석의 차이를 유발하여 회복력 평가 시 긍정적이지 않은 영향을 끼칠 수 있다. 따라서 회복력 평가의 일관성 있는 기준이 필요하며 본 연구에서는 회복력 평가에 있어 고려해야될 정의와 회복력의 사회·구조적 평가방법을 네트워크 분석을 통해 검토하였다. 다양한 회복력 정의의 분석을 통해 도시침수분야에서 의 회복력을 정의하였으며 회복력을 정적 및 동적 회복력으로 구별하여 일관성 있는 속성별 평가 방법을 제시하였다. 그리고 과거 침수흔적도를 활용하여 회복력을 도입함으로써 얻을 수 있는 경제적인 효과를 분석하였다. 평가지역의 대부분은 낮음등급으로 나타났으며 최대 약 96억원의 복구 비용이 발생하였다. 향후 통일된 기준의 회복력평가를 통한 2차적인 파급효과에 대한 연구가 수행된다면 도시침수 관리정책 내 의사결정 단계 등에서 다양하게 활용될 것으로 기대된다.

• 방재저널
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• 제13권4호
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• pp.166-167
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• 2011

• 지질공학
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• 제33권3호
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• pp.489-502
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• 2023

도시 홍수는 도시화와 기후 변화의 상호작용에 의해 전 세계 도시들에게 중요한 도전으로 인식된다. 이 논문은 최근 도시 홍수 연구사례들을 조사하여 그 원인, 영향 및 잠재적인 완화 전략을 이해하려고 하였다. 도시화는 증가하는 불투수 표면과 변화된 배수 패턴으로 인해 자연적인 수류를 방해하며 강한 강우 이벤트 동안 표면 유출을 강화시킨다. 도시 홍수의 충격은 광범위하게 생명, 기반 시설, 경제 및 환경에 영향을 미치는데 생명과 재산 피해, 중요 서비스 중단 및 환경적 피해는 효과적인 도시 홍수 관리의 긴급성을 요구한다. 도시 홍수를 완화하기 위해서는 통합된 홍수 관리 전략이 필수적인데 지속 가능한 도시계획, 녹색 인프라, 그리고 개선된 배수 시스템은 홍수 취약성을 감소시키는 데 중요한 역할을 한다. 조기경보 시스템, 긴급 대응 방안, 그리고 지역 주민의 참여는 홍수 대비 및 회복탄력성의 필수 구성 요소이다. 미래 전망에 의하면 기후 변화에 따른 홍수 위험 증가를 보여주므로 회복탄력성과 적응 조치가 필요하다. 그러므로 관련 분야의 연구, 데이터 수집 및 모델링 기술의 발전은 더 정확한 홍수 예측을 가능하게 하며 의사 결정에 도움을 줄 것이다.

• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2010년도 학술발표회
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• pp.620-624
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• 2010

The Integrated Flood Management (IFM) concept intends to obtain the maximum of benefits from the use of floodplains and the minimum of losses from flooding which seems to be the ideal outcome of flood management. For this, different strategies are recommended in order to reach this objective. The implementation of this concept leads to a resilience approach for the adaptive management of floods and is currently on its way to be better understood and integrated as part of the water resources management. There exist a fair amount of strategies to adapt to flooding that have been recommended or already implemented either as planned or autonomous ways of adaptation but their effectivity depends on the specific case where they are applied. This is why this paper looks to give a better overview of the different recommended or implemented strategies by analyzing them regarding their inherent advantages and disadvantages.

• 방재저널
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• 제15권2호
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• pp.84-85
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• 2013

• 한국조경학회:학술대회논문집
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• 한국조경학회 2021년도 추계학술대회 논문집
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• pp.141-143
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• 2021

• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2023년도 학술발표회
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• pp.32-32
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• 2023

Incidences of urban flood and extreme heat waves (due to the urban heat island effect) are expected to increase in New Zealand under future climate change (IPCC 2022; MfE 2020). Increasingly, the mitigation of such events will depend on the resilience of a range Nature-Based Solutions (NBS) used in Sustainable Urban Drainage Schemes (SUDS), or Water Sensitive Urban Design (WSUD) (Jamei and Tapper 2019; Johnson et al 2021). Understanding the impact of changing precipitation and temperature regimes due climate change is therefore critical to the long-term resilience of such urban infrastructure and design. Cuthbert et al (2022) have assessed the trade-offs between the water retention and cooling benefits of different urban greening methods (such as WSUD) relative to global location and climate. Using the Budyko water-energy balance framework (Budyko 1974), they demonstrated that the potential for water infiltration and storage (thus flood mitigation) was greater where potential evaporation is high relative to precipitation. Similarly, they found that the potential for mitigation of drought conditions was greater in cooler environments. Subsequently, Jaramillo et al. (2022) have illustrated the locations worldwide that will deviate from their current Budyko curve characteristic under climate change scenarios, as the relationship between actual evapotranspiration (AET) and potential evapotranspiration (PET) changes relative to precipitation. Using the above approach we assess the impact of future climate change on the urban water-energy balance in three contrasting New Zealand cities (Auckland, Wellington, Christchurch and Invercargill). The variation in Budyko curve characteristics is then used to describe expected changes in water storage and cooling potential in each urban area as a result of climate change. The implications of the results are then considered with respect to existing WSUD guidelines according to both the current and future climate in each location. It was concluded that calculation of Budyko curve deviation due to climate change could be calculated for any location and land-use type combination in New Zealand and could therefore be used to advance the general understanding of climate change impacts. Moreover, the approach could be used to better define the concept of urban infrastructure resilience and contribute to a better understanding of Budyko curve dynamics under climate change (questions raised by Berghuijs et al 2020)). Whilst this knowledge will assist in implementation of national climate change adaptation (MfE, 2022; UNEP, 2022) and improve climate resilience in urban areas in New Zealand, the approach could be repeated for any global location for which present and future mean precipitation and temperature conditions are known.

• 한국안전학회지
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• 제30권1호
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• pp.127-136
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• 2015

This study has analyzed city plans and disaster prevention plans from the perspective of resilience and established a direction of the development of city safety standards. The analysis made use of the 5 functions of resilience (5Rs) and foreign cases. As a result of the analysis, the direction of the development of city safety standards was drawn from 4 perspectives at large. First, this study proposed a method of the systematization of the safety standards involved in components within city plans. Second, it suggested a method to strengthening urban resilience abilities in terms of the association between disaster prevention and city plans. Third, it found out components requiring safety standards considering foreign and other standards, and proposed a direction of complementary measures for safety standards. Lastly, it came up with a direction of the development of city safety standards, the necessity of which are required though existing plan criteria did not contain them. This study is significant in that it has defined the ultimate goal of safety a city should pursue as resilience and proposed a direction of the development of related standards.

• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2023년도 학술발표회
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• pp.181-181
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• 2023

Flood is a major threat to human society, and scientific assessment of flood risk in human living areas is an important task. In this study, two different methods were used to evaluate the flood in Ulsan City, and the results were comprehensively compared and analyzed. Based on the fuzzy mathematics and VIKOR method of the multi-objective decision system, similar evaluation results were obtained in the study area. The results show that due to the large number of rivers in Ulsan City and the relatively high exposure index, the whole city faces a high risk of flooding. However, fuzzy mathematics theory pays more attention to the negative impact of floods on people, and the adaptability in the Nam-gu District is lower. In contrast, the VIKOR method pays more attention to the positive role of the economy and population in flood protection, and thus obtains a higher score. Both approaches demonstrate that the city of Ulsan faces a high risk of flooding and that its citizens and policymakers need to invest in preventing flood damage.