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You are here : eLibrary : IAHR World Congress Proceedings : 34th Congress - Brisbane (2011) : THEME 3: Water and Carbon: Climate Change Impact : Comprehensive sediment management strategies in japan: sediment bypass tunnels
Comprehensive sediment management strategies in japan: sediment bypass tunnels
Author : T. Sumi1 and S.A. Kantoush1
This paper presents different sediment management techniques of Japanese dams with focusing on sediment bypass tunnels. In Japan, Miwa dam on the Tenryu River and Asahi dam on the Shingu River are good examples for sediment bypass tunnels where routing incoming sediment directly to downstream reaches. These dams are practically using sediment bypass tunnel successfully to realize a sustainable reservoir management. The paper aims at how to select this technique among several other solutions and introducing monitoring techniques to improve sediment bypass operation. The results show that sediment bypass is suitable for medium size reservoirs with steep original river bed slope and effectively functioned for successful reservoir sediment management. The facility proved its effectiveness in mitigating reservoir sedimentation in Miwa dam and turbidity of river water contributing towards restoration of downstream environment.
File Size : 3,487,812 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 34th Congress - Brisbane (2011)
Article : THEME 3: Water and Carbon: Climate Change Impact
Date Published : 01/07/2011
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