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Tool designed to help local authorities to explore pluvial hazard & risk from extreme convective precipitation events and subsequent flooding due to surface rainwater accumulation which the existing urban drainage system is unable to absorb. The tool delineates the areas prone to flooding under different rainfall intensities and persistence and estimates the damage to physical assets such as buildings’ structures and content. The tool is amendable to inform adaptation measures such as green urban regeneration and natural water retention measures by means of green roofs and green urban areas. The application of the tool is amendable to help users to identify existing green urban infrastructures and identify areas suitable to extend them, while controlling for the potential to reduce flood damage or share of affected population. The tool is meant for urban planners, local citizen action groups, civil society organizations, businesses and risk managers (insurers and insurance brokers).
The complexity is variable and depends on the extent to which the users frame the analysis. It is low if the users access the service from a dedicated platform which allows to run the models and assess performance of some risk mitigation solutions. It is medium to high if the users prefer to run the underpinning open source models and control the implementation of the green regeneration strategies and green infrastructure design.
The tool enables a better appreciation of pluvial hazards and risks and empowers the users to design solutions to boost local resilience. The benefits vary across the user groups, for example urban and regional authorities gain insights into climate risks as an input to climate adaptation and disaster risk reduction strategies; businesses draw insights about how their exposure to physical climate risks and local action groups obtain insights about how the neighborhood green regeneration strategies contribute to reducing the risks. The results of the tool contribute to building a knowledge base of climate related impacts & risks.
MILAN city hub has implemented the full application of the tool along with the extension to analyze the green infrastructure network. Other cities such as Athens, Gdynia and Logrono are preparing for the application of the tool.
The tool can be used in the following Triple-A phases:
– Analysis phase: Pluvial hazard & risk assessment – impact in terms of damage and population affected
– Action phase: Identification, evaluation, and prioritization of adaptation measures – green regeneration, nature-based solutions and urban green infrastructures (spatial connectivity)
Not available yet
Jaroslav Mysiak, Jeremy Pal, Andrea Staccione
Euro-Mediterranean Centre on Climate Change (CMCC)
Risk Assessment and Adaptation Strategies division
contact: jaroslav.mysiak@cmcc.it
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This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 101036599.
This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 101036599.
The tool is complementary to other climate-related urban hazard & risk assessment services (e.g., Thermal assessment tool), serve as an input for other services such as dynamic integrated flood insurance or community flood resilience support system model and help to identify tailormade adaptation & DRR solutions.
Short summary: A story about Jan and Maria during extreme precipitation.
Theme: Flooding
End user: Citizens
Link to the story: under construction