Flow structure and erosion supress by vegetation in overflow on levees

Motoyasu Sato; Takeshi Note; Akira Mano; Keiko Udo

doi:10.1142/9789814405713_0006

Flow structure and erosion supress by vegetation in overflow on levees

Motoyasu Sato, Takeshi Note, Akira Mano, Keiko Udo

Hazard and Risk Evaluation Research Division

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Prototype experiments on levee breach by overflow show significant effect of vegetation on erosion suppress. This is favorite finding for the levee protection. However, the detailed mechanism is not studied yet. The purpose of this study is to find the fundamental characteristics of flow among the vegetation and to make the mathematical model. Hydraulic experiments were conducted for supercritical flow through inflexible vegetation model. The flow field was measured by laser doppler anemometer. K-ϵmodel was developed to reproduce the velocity profile.

Original language	English
Title of host publication	Advances in Geosciences
Publisher	World Scientific Publishing Co.
Pages	51-64
Number of pages	14
ISBN (Electronic)	9789814405713
ISBN (Print)	9789814405706
DOIs	https://doi.org/10.1142/9789814405713_0006
Publication status	Published - 2012 Jan 1

ASJC Scopus subject areas

Earth and Planetary Sciences (miscellaneous)
Space and Planetary Science

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