Developing New Fast Tools for Assessing Coastal Compound Flood Hazards

October 27, 2023 9:00 AM

Presenter

Tim Leijnse
Researcher and Product Manager 
SFINCS at Deltares, Delft
The Netherlands

Description

Coastal communities worldwide are under threat of flooding due to hazards such as tropical and extra-tropical storms, spring tides, wind sea and swell waves, high river discharges and heavy rainfall events. In some coastal areas, waves can be the dominant driver of extreme water levels, but for regional to continental scales these are often not included in coastal flooding assessments due to the high computational expense of numerical models. Also, coastal hazards assessments should consider the possibility of compound flooding and be determined probabilistically.

To overcome these challenges, at Deltares we are developing new open-source numerical tools as Python model builders (HydroMT), fast new wave models (SnapWave, HurryWave), a synthetic Hurricane generator (TCWiSE) and a fast compound flood model (SFINCS). With recent developments in SFINCS, we can now model wave-driven effects dynamically on large-scales. During the talk I will give an overview of these new numerical models, why they are needed, what you can do with them and demonstrate various applications from projects and research.

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