Flow structure and erosion supress by vegetation in overflow on levees

Motoyasu Sato, Takeshi Note, Akira Mano, Keiko Udo

    Research output: Chapter in Book/Report/Conference proceedingChapter

    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 languageEnglish
    Title of host publicationAdvances in Geosciences
    PublisherWorld Scientific Publishing Co.
    Pages51-64
    Number of pages14
    ISBN (Electronic)9789814405713
    ISBN (Print)9789814405706
    DOIs
    Publication statusPublished - 2012 Jan 1

    ASJC Scopus subject areas

    • Earth and Planetary Sciences (miscellaneous)
    • Space and Planetary Science

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