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ID 33107
本文ファイル
別タイトル
Community contribution research in Idebara area in Kita-Hiroshima Town, Hiroshima Prefecture : Field investigation of sediment-related disaster and trial rainfallobservation for disaster prevention by residents themselves <Articles>
著者
NDC
建設工学・土木工学
抄録(英)
Sediment-related disasters occurred two times in Idebara area in Kita-Hiroshima Town, Hiroshima Prefecture. This area is covered by weathered granite and rhyolite, and located around the watershed of Idebara-river, which is one tributary of the most upper region of Gonokawa-river. Since the disaster in 2006, some investigation were executed to become clear a danger degree of sediment-related disasters, and to make up some countermeasures for disaster prevention and mitigation. According to this investigation, debris-flows occurred repeatedly in a few sub-watersheds and a very dangerous sub-watershed, where a new debris-flow would occur in near future, was detected. There are a lot of debris-materials in the area, which were composed of some sediment transported by past slope-failures and debris-flows. The surfacesoil is very wet and trees on it are disorderly inclined. These conditions of the investigated area and the importance of rainfall information were explained to the residents in Idebara. After the explanation meeting, a trial rainfall observation by residents themselves was started. It was verifi ed that this system was very functional and useful for people there through the torrential rainfall in July, 2010.
掲載誌名
広島大学大学院総合科学研究科紀要. II, 環境科学研究
5巻
開始ページ
41
終了ページ
48
出版年月日
2010-12-31
出版者
広島大学大学院総合科学研究科
ISSN
1881-7696
NCID
SelfDOI
言語
日本語
NII資源タイプ
紀要論文
広大資料タイプ
学内刊行物(紀要等)
DCMIタイプ
text
フォーマット
application/pdf
著者版フラグ
publisher
権利情報
Copyright (c) 2010 Graduate School of Integrated Arts and Sciences, Hiroshima University. All rights reserved.
部局名
総合科学研究科
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