2003年7月の梅雨前線豪雨によって発生した九州地方の土石流災害(速報)

水野 秀明, 杉浦 信男, 寺田 秀樹, 内田 太郎, 原槇 利幸, 曽我部 匡敏, 桜井 亘, 西本 晴男, 小山内 信智, 武澤 永純, 土井 康弘

研究成果: Contribution to journalArticle査読

抄録

Debris flows occurred in Kyushu region due to localized rainfall which was caused by a seasonal rain front from 18<sup>th</sup> to 20<sup>th</sup> July, 2003, causing 20 dead person, 7 injured person and 63 damaged houses. Authors made investigations at Hougawachi-Atsumari district, Minamata city, Kumamoto Pref. and Sanjyou 1-choume, Dazaifu city, Fukuoka Pref., where were damaged by debris flows. In both cases, the debris flows were initiated by landslides. In order to estimate the volume of sediment discharge and velocity, authors surveyed geometry in both site. The volume of sediment discharge plunging into the village of Hougawachi-Atsumari district was estimated from about 98, 000m<sup>3</sup> to 107, 000 m<sup>3</sup>, and the velocity of debris flow was estimated from about 2.9m/s to 23.5m/s. The volume of debris flow plunging into the village of Sanjyou 1 choume district was estimated about 12, 000m<sup>3</sup>. And the velocity of debris flow was estimated from about 4.2m/s to 14.3m/s.
寄稿の翻訳タイトルThe debris flow disasters caused by localized rainfall of seasonal rain front in Kyushu region in July, 2003 (prompt report)
本文言語日本語
ページ(範囲)36-43
ページ数8
ジャーナル新砂防 = Journal of the Japan Society of Erosion Control Engineering : 砂防学会誌
56
3
DOI
出版ステータス出版済み - 9 15 2003

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