A quantitative flood risk analysis methodology for urban areas with integration of social research data

Escuder‐Bueno, Ignacio; Castillo-Rodríguez, Jesica T.; Zechner, Simone; Jöbstl, Cornelia; Perales‐Momparler, Sara; Petaccia, Gabriella

doi:10.5194/nhess-12-2843-2012

Cited by 60 publications

(55 citation statements)

References 13 publications

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“…Based on recent experiences on risk-informed local flood action planning in Spain (Escuder-Bueno et al, 2012), an ad-hoc flood risk analysis was conducted by the authors to estimate flood risk and analyze the impact on risk of on-going structural and planned non-structural measures.…”

Section: The Opportunity: Risk-informed Decisionsmentioning

confidence: 99%

Risk-informed local action planning against flooding: lessons learnt and way forward for a case study in Spain

Castillo-Rodríguez

Porta-Sancho²,

Perales‐Momparler³

et al. 2016

E3S Web Conf.

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Abstract. After 29 years of the largest flood event in modern times (with the highest recorded rainfall rate at the Iberian Peninsula with 817 mm in 24 hours), the municipality of Oliva faces the challenge of mitigating flood risk through the development and implementation of a local action plan, in line with other existent and ongoing structural measures for flood risk reduction. Located 65 km from Valencia, on the South-Eastern coast of Spain, Oliva is affected by pluvial, river and coastal flooding and it is characterized by a complex and wide-ranging geography and high seasonal variation in population. A quantitative flood risk analysis has been performed to support the definition of flood risk management strategies. This paper shows how hazard, exposure and vulnerability analyses provide valuable information for the development of a local action plan against flooding, for example by identifying areas with highest societal and economic risk levels. It is concluded that flood risk management actions, such as flood warning and monitoring or evacuation, should not be applied homogenously at local scale, but instead actions should be adapted based on spatial clustering. Implications about the impact of education and training on flood risk reduction are also addressed and discussed.

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Section: The Opportunity: Risk-informed Decisionsmentioning

confidence: 99%

Risk-informed local action planning against flooding: lessons learnt and way forward for a case study in Spain

Castillo-Rodríguez

Porta-Sancho²,

Perales‐Momparler³

et al. 2016

E3S Web Conf.

Self Cite

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“…They refer to policies, awareness, knowledge development, public commitment, and methods and operating practices, including participatory mechanisms and the provision of information. Non-structural measures, such as urban planning and policies, flood forecasting, communication, mobilization, coordination and operating practice, insurance, and aid mechanism measures, are efficient and sustainable methods of reducing flood risk [33]. Example of change in susceptibility on the basis of the economic sector embodied by depth-damage curves [34].…”

Section: General Approach For Flood Risk Analysis Modelsmentioning

confidence: 99%

“…The F-D curve illustrates the estimated level of economic damages and the area under the curve represents economic risk. These curves are a useful way of presenting risk information that can be used by managers and system designers to help decision-making about risk, and they are appropriate for comparison of risks from different situations, such as the comparison between the situation with and without a number of structural and/or non-structural measures [33].…”

Section: General Approach For Flood Risk Analysis Modelsmentioning

confidence: 99%

“…An approach could be to represent the outcomes of risk models by the F-N and F-D curves [33,57]. The F-N or F-D curves represent the annual cumulative exceedance probability of a certain level of consequences; both social and economic risk can be represented in terms of potential fatalities or economic damages, respectively [33].…”

Section: Outcomes Of Flood Risk Analysis and Impact Of Different Riskmentioning

confidence: 99%

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Collaborative Strategies for Sustainable EU Flood Risk Management: FOSS and Geospatial Tools—Challenges and Opportunities for Operative Risk Analysis

Albano

Mancusi

Sole

et al. 2015

IJGI

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An analysis of global statistics shows a substantial increase in flood damage over the past few decades. Moreover, it is expected that flood risk will continue to rise due to the combined effect of increasing numbers of people and economic assets in risk-prone areas and the effects of climate change. In order to mitigate the impact of natural hazards on European economies and societies, improved risk assessment, and management needs to be pursued. With the recent transition to a more risk-based approach in European flood management policy, flood analysis models have become an important part of flood risk management (FRM). In this context, free and open-source (FOSS) geospatial models provide better and more complete information to stakeholders regarding their compliance with the Flood Directive (2007/60/EC) for effective and collaborative FRM. A geospatial model is an essential tool to address the European challenge for comprehensive and sustainable FRM because it allows for the use of integrated social and economic quantitative risk outcomes in a spatio-temporal domain. Moreover, a FOSS model can support governance processes using an interactive, transparent and collaborative approach, providing a meaningful experience OPEN ACCESS ISPRS Int. J. Geo-Inf. 2015, 4 2705 that both promotes learning and generates knowledge through a process of guided discovery regarding flood risk management. This article aims to organize the available knowledge and characteristics of the methods available to give operational recommendations and principles that can support authorities, local entities, and the stakeholders involved in decision-making with regard to flood risk management in their compliance with the Floods Directive (2007/60/EC).

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“…Cutter et al (2013), for example, propose a methodology for incorporating social vulnerability into federal flood risk management planning of United States. Similarly, Escuder-Bueno et al (2012) and Ballesteros-Cánovas et al (2013) provide an integrated assessment of flood risk in the European context. These studies have been implemented in the developed parts of the world.…”

Section: Introductionmentioning

confidence: 99%

An integrated approach of flood risk assessment in the eastern part of Dhaka City

et al. 2015

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The flood risk is a function of the flood hazard, the exposed values and their vulnerability. In addition to extreme hydrological events, different anthropogenic activities such as extensive urbanization and land use play an important role in producing catastrophic floods.Considerations of both physical and social dimensions are therefore equally important in flood risk assessment. However, very often the risk assessment studies either focus on physical or social dimensions. In addition, the available studies often focus on economic valuation of only direct tangible costs. In this study, we provide an integrated flood risk assessment approach that go beyond valuation of direct tangible costs, through incorporating physical dimensions in hazard and exposure and social dimensions in vulnerability. The method has been implemented in the Dhaka City, Bangladesh, an area internationally recognized hotspot for flood risk. In this study, flood hazards for different return periods are calculated in spatial environment using a hydrologic model, HEC-RAS. Vulnerability is assessed through aggregation of various social dimensions i.e., coping and adaptive capacities, susceptibility. We assess vulnerability for both baseline and improved scenario. In the baseline scenario, current early warning for study area is considered. In the alternative scenario, the warning system is expected to improve. Aggregating hazard, exposure and vulnerability, risk maps (in terms of both tangible and intangible costs) of several return period floods are produced for both baseline and improved scenario. Compared to traditional assessments, the integrated assessment approach used in this study generates more information about the flood risk. Consequently, the results are useful in evaluating policy alternatives and minimizing property loss in the study area.

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A quantitative flood risk analysis methodology for urban areas with integration of social research data

Cited by 60 publications

References 13 publications

Risk-informed local action planning against flooding: lessons learnt and way forward for a case study in Spain

Risk-informed local action planning against flooding: lessons learnt and way forward for a case study in Spain

Collaborative Strategies for Sustainable EU Flood Risk Management: FOSS and Geospatial Tools—Challenges and Opportunities for Operative Risk Analysis

An integrated approach of flood risk assessment in the eastern part of Dhaka City

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