Researchers from DKKV members Helmholtz Centre for Environmental Research (UFZ) and German Research Centre for Geosciences (GFZ) have developed a new flood forecasting system, which was presented in the journal Nature Communications. This system combines different models to produce not only water levels but also detailed flood maps that accurately predict the impact of floods down to the level of individual buildings.
By linking precipitation forecasts from the German Weather Service with hydrological and hydrodynamic models, flood events can be predicted very accurately and at an early stage. This enables better preparation and evacuation, which can reduce damage.
The system was successfully tested during the reconstruction of the flood in the Ahr valley in 2021 and is currently being trialled in other regions. If successful, it could significantly supplement existing early warning systems.
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