Proceedings of IAHS
Proceedings of IAHS
PIAHS
Articles | Volume 385
Articles | Volume 385
https://doi.org/10.5194/piahs-385-247-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-385-247-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 385
Post-conference publication
 | 
18 Apr 2024
Post-conference publication |  | 18 Apr 2024

Flood impact assessment in urban settings with porous buildings – insights from a fine-scale hydraulic-economic model

David Nortes Martinez, Frédéric Grelot, Cécile Choley, and Pascal Finaud-Guyot

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Latest update: 23 Apr 2025
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Short summary
Classical hydraulic approaches of urban floods do not consider flow exchanges between streets and buildings, which might be introducing a bias in the estimation of property damage. Using coupled hydraulic-economic models we analyze the effect of considering porous buildings in the assessment of material damage at a district level. Our results show potentially significant differences in flood damage when using porous buildings in comparison with more classic approaches.
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