高磯山天然ダム決壊時に発生した洪水の再現

DOI Web Site 被引用文献5件 参考文献16件

書誌事項

タイトル別名
  • Reproduction of the flood that occurred by outburst of Takaiso-yama landslide dam
  • タカイソヤマ テンネン ダム ケッカイジ ニ ハッセイシタ コウズイ ノ サイゲン

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抄録

It is necessary to estimate immediately a flood hydrograph, peak discharge in particular for appropriate preparedness downstream when landslide dams are formed. Some studies have been carried out, however they were seldom applied to real landslide dam outbreaks because there aren't field data to be compared. The flood mark data of Takaiso-yama Landslide dam outbreak happened in 1892 was found and analyzed recently. A flood hydrograph estimation method based on erosion and sediment transport equations developed for debris flow was applied to the flood. Flood depth was well explained, estimated flow velocity was larger than reported values though. The winding channel may be a reason of the disagreement.

収録刊行物

  • 砂防学会誌

    砂防学会誌 59 (6), 32-37, 2007

    Japan Society of Erosion Control Engineering

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