2004年台風10号豪雨により徳島県で発生した斜面崩壊に影響する雨量・地形・地質特性

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  • 2004ネン タイフウ 10ゴウ ゴウウ ニヨリ トクシマケン デ ハッセイ シタ シャメン ホウカイ ニ エイキョウ スル ウリョウ チケイ チシツ トクセイ
  • Meteorological, geomorphological and geological features of slope failures caused by heavy rainfall associated with Typhoon 0410, Tokushima, Japan.

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Many slope failures and debris flows triggered by heavy rainfall associated with Typhoon 0410 (Namtheun) occurred in Nakagawa area, Tokushima, Japan on July 31st to August 1st, 2004. Extraordinary intense heavy rainfall was recorded in this area. Many slope failures and some landslides occurred at steep mountain slopes, which consist of accretionary complex. Distribution and density of slope failures are closely related to amount of total rainfall and soil water index, topographical features such as density of valley head and relative relief, and geological features such as crack density of rock masses.

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