FLOOD FLOW ANALYSIS ON NEW EVALUATION OF GROUND LEVEL ON WIDE AND VEGETATED FLOOD CHANNELS IN THE ARAKAWA RIVER

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Other Title
  • 植生の分布する広大な高水敷を有する荒川中流部における洪水流の解析精度向上に必要な地盤高と 高水敷上の氾濫機構の評価方法に関する研究

Description

<p>The Arakawa river has a plan to build new three retarding basins in the middle reach. It is important to understand flood control functions in middle stream of the Arakawa river with wide and vegetated flood channels. It is necessary to understand flood inundation mechanism on wide flood channels by flood flow analysis. Laser profilers can make use of the creation of detailed topographic maps of such flood channels, but may count the top height of vegetation on the ground. In this paper, filtering techniques of the laser profiler data are developed for reproducing proper ground heights of flood channels in the Arakawa river. Finally, the new flood analysis which improved the existing flood analysis method is presented.</p>

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Details 詳細情報について

  • CRID
    1390854717766871296
  • DOI
    10.11532/river.22.0_133
  • ISSN
    24366714
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
  • Abstract License Flag
    Allowed

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