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土砂供給の停止による河床低下と砂礫河岸拡幅の進行過程
http://hdl.handle.net/2237/8447
http://hdl.handle.net/2237/8447300c2a7c-3e18-4e2b-acfd-0a725c662220
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-06-22 | |||||
タイトル | ||||||
タイトル | 土砂供給の停止による河床低下と砂礫河岸拡幅の進行過程 | |||||
言語 | ja | |||||
その他のタイトル | ||||||
その他のタイトル | Degradation and widening process of gravel river under the condition of no sediment supply at upstream end | |||||
言語 | en | |||||
著者 |
後藤, 孝臣
× 後藤, 孝臣× Goto, Takaomi× 北村, 忠紀× Kitamura, Tadanori× 辻本, 哲郎× Tsujimoto, Tetsuro |
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アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | bank erosion | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | sediment transport | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | movable-bed model test | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 2D-numerical solution | |||||
抄録 | ||||||
内容記述 | Channel forming process under the condition of no sediment discharge was investigated with both flum experiments and numerical simulations. In addition to the degradation of bed-elevation, natural channel can change its width relatively within short time, in the process. The experimental results revealed that the relatively short time for channel widening firstly occurs, and then the bed-slope gradually adjusts to the static equilibrium condition with no significant change of the channel width. The numerical model to simulate the channel forming process, which is constituted by the depth-averaged 2-D flow model with the non-orthogonal boundary fitted grid system and the bed deformation model taking into account the collapse of the bed-material on side banks, can reproduce the process observed in the experiment. | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | ja | |||||
出版者 | 土木学会 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 09167374 | |||||
書誌情報 |
ja : 水工学論文集 巻 44, p. 765-770, 発行日 2000-02 |
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フォーマット | ||||||
application/pdf | ||||||
著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/8447 | |||||
識別子タイプ | HDL |