Experiments on Channel Evolution Caused by Check-dam Failure
A 10 m long,0.2 m wide flume was employed to simulate the channel bed evolution of check-dam failure.The experiment longitudinal profiles,the gradient of channel bed,head-cutting propagation distance and deposition length were compared with the theoretical solution derived from a sediment transport...
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| Veröffentlicht in: | Journal of mountain science 2012-04, Vol.9 (2), p.175-184 |
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| container_title | Journal of mountain science |
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| creator | Tseng, Wen-Hsiao Wang, Hsiao-Wen Chou, Shih-Chieh Kao, Yu-Lin Shieh, Chjeng-Lun |
| description | A 10 m long,0.2 m wide flume was employed to simulate the channel bed evolution of check-dam failure.The experiment longitudinal profiles,the gradient of channel bed,head-cutting propagation distance and deposition length were compared with the theoretical solution derived from a sediment transport diffusion equation.In contrast with the theoretical solution,two different gradients were obtained upstream and downstream of the check-dam.The theoretical solution provides a good description of the changes upstream of the check-dam. The ratio of clear water depth to sediment moving layer thickness in the experiment was analyzed and showed that high concentration sediment laden flow was taken in the incipient of check-dam failure,which may be the reason why the experiment result was slightly different from the theoretical solution in the downstream of check-dam. |
| doi_str_mv | 10.1007/s11629-012-2252-6 |
| format | Article |
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The ratio of clear water depth to sediment moving layer thickness in the experiment was analyzed and showed that high concentration sediment laden flow was taken in the incipient of check-dam failure,which may be the reason why the experiment result was slightly different from the theoretical solution in the downstream of check-dam.</description><identifier>ISSN: 1672-6316</identifier><identifier>EISSN: 1993-0321</identifier><identifier>EISSN: 1008-2786</identifier><identifier>DOI: 10.1007/s11629-012-2252-6</identifier><language>eng</language><publisher>Heidelberg: SP Science Press</publisher><subject>Check dams ; Dam failure ; Dams ; Diffusion ; Downstream ; Earth and Environmental Science ; Earth Sciences ; Ecology ; Environment ; Geography ; Propagation ; Sediment transport ; Upstream ; Water depth ; 扩散方程 ; 早期检查 ; 比较实验 ; 河床演变 ; 河道演变 ; 泥沙输移 ; 海水深度 ; 溃坝</subject><ispartof>Journal of mountain science, 2012-04, Vol.9 (2), p.175-184</ispartof><rights>Science Press, Institute of Mountain Hazards and Environment, CAS and Springer-Verlag Berlin Heidelberg 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c374t-3a044e40d53fc7dc6b7e5f4efaf04827a0ef2ed6a6d62738730d712dd031b2553</citedby><cites>FETCH-LOGICAL-c374t-3a044e40d53fc7dc6b7e5f4efaf04827a0ef2ed6a6d62738730d712dd031b2553</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/87799X/87799X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11629-012-2252-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11629-012-2252-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>Tseng, Wen-Hsiao</creatorcontrib><creatorcontrib>Wang, Hsiao-Wen</creatorcontrib><creatorcontrib>Chou, Shih-Chieh</creatorcontrib><creatorcontrib>Kao, Yu-Lin</creatorcontrib><creatorcontrib>Shieh, Chjeng-Lun</creatorcontrib><title>Experiments on Channel Evolution Caused by Check-dam Failure</title><title>Journal of mountain science</title><addtitle>J. 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| identifier | ISSN: 1672-6316 |
| ispartof | Journal of mountain science, 2012-04, Vol.9 (2), p.175-184 |
| issn | 1672-6316 1993-0321 1008-2786 |
| language | eng |
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| source | Alma/SFX Local Collection; SpringerLink Journals - AutoHoldings |
| subjects | Check dams Dam failure Dams Diffusion Downstream Earth and Environmental Science Earth Sciences Ecology Environment Geography Propagation Sediment transport Upstream Water depth 扩散方程 早期检查 比较实验 河床演变 河道演变 泥沙输移 海水深度 溃坝 |
| title | Experiments on Channel Evolution Caused by Check-dam Failure |
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