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Fractal analysis on the miniature erosion landform generated by artificial rainfall
http://hdl.handle.net/10748/3678
http://hdl.handle.net/10748/3678b028edae-b673-4d4b-9451-e3441056a078
名前 / ファイル | ライセンス | アクション |
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20005-31-009.pdf (292.1 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2010-11-30 | |||||
タイトル | ||||||
タイトル | Fractal analysis on the miniature erosion landform generated by artificial rainfall | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | artificial rainfall | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | miniature erosion landform | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | fractal geometry | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | landform evolution | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
Ouchi, Shunji
× Ouchi, Shunji |
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著者(ヨミ) |
オオウチ, シュンジ
× オオウチ, シュンジ |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A miniature erosion landform was formed by applying artificial rainfall on a square mound made of a mixture of fine sand and kaolinite, and the surface topography was analyzed to evaluate the meaning of H', which is a parameter expressing a certain complexity of self-affine surfaces, in the landform evolution. Erosion started as rapid valley erosion, and then slow degradation of interfluves and ridges followed. The average height shows a clear exponential decrease. After 192 hours of rainfall, a low and gentle topography appeared. The value of H' decreases rapidly from 1 to 0.7~0.8 in the early stage and then gradually to 0.59 at the end of experiment, with a tendency to decrease towards 0.5 in a longer time period. This implies that the H' value of landform tends to decrease towards 0.5 with a long period of erosion, and that some reiterated uplift would be necessary to keep the larger H'. | |||||
書誌情報 |
Geographical Reports of Tokyo Metropolitan University 号 31, p. 97-103, 発行日 1996 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03868710 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00200173 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | Department of Geography, Tokyo Metropolitan University |