Proceedings of IAHS
Proceedings of IAHS
PIAHS
Articles | Volume 370
Articles | Volume 370
https://doi.org/10.5194/piahs-370-235-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/piahs-370-235-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 370
11 Jun 2015
 | 11 Jun 2015

Crash tests for forward-looking flood control in the city of Zürich (Switzerland)

M. Zappa, N. Andres, P. Kienzler, D. Näf-Huber, C. Marti, and M. Oplatka

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Short summary
The most severe threat for the city of Zürich (Switzerland) are flash-floods from the small Sihl river. An assessment using a rainfall-runoff model evaluated more than 40000 extreme flood scenarios. These scenarios identified deficits for the safety of Zürich. The combination of different structural and flood management measures can lead to an optimal safety also in case of unfavorable initial conditions. Pending questions concern the costs, political decisions and the environmental matters.
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