Author(s): Takahisa Mizuyama; Ryuichi Fukuhara
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Abstract: Sediment transport by flashflood was studied. Experiments were carried out with a small flume to observe the mechanisms of sediment transport especially at the flashflood head using the gradients where immature debris flows appear when theflow is steady. It was found that in that area sediment was transported like debris flow. Sediment concentration and shapes of the heads were directly measured and analyzed using videotapes. The study asserts that flashflood must be considered more as one of the major hazardous elements of debris flow.
Year: 1993