Proceedings of IAHS
Proceedings of IAHS
PIAHS
Articles | Volume 386
Articles | Volume 386
https://doi.org/10.5194/piahs-386-153-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/piahs-386-153-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 386
Post-conference publication
 | 
19 Apr 2024
Post-conference publication |  | 19 Apr 2024

Study on a flood damage reduction countermeasure by installing a spillway on a riverine levee for promoting the initiative of River Basin Disaster Resilience and Sustainability by All

Osamu Itagaki, Miho Ohara, and Toshio Koike

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Short summary
This paper presents a trial estimation result of quantitative flood damage reduction effect by installing a spillway on a riverine levee in a protected area for promoting the “River Basin Disaster Resilience and Sustainability by All” (Ryuuiki-chisui) initiative which is strongly promoted in Japan. The result shows that flood damage is considerably reduced, e.g. average annual damage to paddy fields in the area can be expected to decrease, although the inundation frequency will increase.
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