Futase Dam is an arch gravity dam located in Saitama prefecture in Japan. The dam was constructed to control floods and to generate hydro-electricity. The catchment area of the dam is 170 km2. The dam impounds about 76 ha of land when full and can store 26.9 million cubic meters of water. The construction of the dam was started on 1952 and completed in 1961.[1]
| Futase Dam | |
|---|---|
 | |
| Location | Saitama Prefecture, Japan |
| Coordinates | 35°56′30″N 138°54′36″E / 35.94167°N 138.91000°E |
| Construction began | 1952 |
| Opening date | 1961 |
| Dam and spillways | |
| Type of dam | Arch Gravity |
| Impounds | Arakawa River |
| Height | 95 m (312 ft) |
| Length | 288.5 m (947 ft) |
| Reservoir | |
| Creates | Lake Chichibu |
| Total capacity | 26,900,000 m3 (950,000,000 cu ft) |
| Catchment area | 170 km2 (66 sq mi) |
| Surface area | 76 hectares |
In 2003 a sediment removal program was started to remove 100,000m3 of sediment that was deposited in the reservoir.[2]
References
edit- ^ "Futase Dam ［Saitama Pref.］ - Dams in Japan". Retrieved 2022-02-21.
- ^ Kato, Yasumitsu; Ito, Hanae; Sekine, Hiroshi; Shirota, Kenichi; Yoneyama, Minoru (2017). Effect of sediment replenishment on downstream reaches of dams: case study of the Futase Dam. Proceedings of the 2nd International Workshop on Sediment Bypass Tunnels. Kyoto University. pp. 1–8.
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