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We support a pro-active approach to integrated flood risk management, as advocated in the Sendai Framework for Disaster Risk Reduction. Deltares Flood Risk Strategies aim to improve concepts, methods and tools in three fields:

  • Flood risk assessment;
  • Urban flood management and critical infrastructure;
  • Flood risk management: design and appraisal of strategies.

Flood risk assessment

Deltares maps out flood risks by conducting integrated risk analyses. We analyse the probability of high water levels and floods and assess the potential impacts of flooding, including loss of life, economic losses and environmental impacts.

Risk analysis provides insight into the vulnerability of specific areas, which is important for planning of spatial developments. Deltares develops and applies coherent sets of methods and tools for risk analysis on various scales, including the development of meaningful indicators, metrics and maps.

Urban flood management and critical infrastructure

Urban areas with critical infrastructures such as utility networks, roads and railways are particularly vulnerable to flooding. Critical infrastructure is not only at risk of flooding but of cascading effects as well. Deltares develops collaborative modelling tools to enhance stakeholder involvement in tracking down these risks and develop strategies for risk reduction in response.

Development of strategies for flood risk management

Strategies to be developed should comprise a well-balanced mix of both structural and non-structural measures, including measures which can be implemented on the short term. In planning for flood risk management there is a need to decide what level of flood risk is acceptable, to decide how safe is safe enough.

Risk informed decision-making looks for a ‘proportionate’ response to risk as well as a transparent process of estimating the risk and assessing the impacts of measures. To support this process, Deltares develops and applies (interactive) methods and tools for (participatory) design and appraisal of flood risk management strategies, such as planning kits and dashboards.

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