| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
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| Outline of Final Research Achievements |
Focusing on the dry dam as a flood control measure can coexist with environment, this study discussed future flood control adaptation method since natural disaster hazard intensifies drastically, attributed to the effect of global warming. A new flood control concept called 'Cascade method' which permits multiple dams around an upstream region in a river basin to overflow from their emergency spillways was examined.
In order to reduce the damage caused by such flood disasters, the flood control method in the Kase River by using existing dams, Hokuzan Dam and Kasegawa Dam, were discussed under future climate conditions based on a database. Computational results demonstrated that the storage capacity of Kasegawa Dam was enough large in order to control the flow discharge hydrograph due to a future precipitation. Therefore, if the existing dams can be fully utilized by carrying out prior discharge, the flood control will be possible even under the future extreme precipitation.
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