Abstract
Recent years, slit Sabo dams have been selected for their function to prevent debris flow disaster and conserve continuity of water and sediment flow simultaneously. However, once a slit Sabo dam is filled with bed load or suspended load, its pocket for debris flow prevention would be lost and sediment supply to downstream would be decreased. Though in order to resolve the problem, knowledge and investigation about characteristics of sediment transportation around a slit Sabo dam are important, not much study about slit Sabo dams have been reported. In order to clarify the effect of a slit Sabo dam on sediment transportation, the authors have researched the characteristics of rainfall-runoff and sedimentation around a slit Sabo dam in a channel in Tenjin river basin. This paper reports the results of field observation on and 1D numerical simulation of the flood event caused by Typhoon No. 12 in 2011.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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