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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 卡艾瑋 | |
| dc.contributor.author | Yu-Chieh Tu | en |
| dc.contributor.author | 涂喻捷 | zh_TW |
| dc.date.accessioned | 2021-06-17T08:36:29Z | - |
| dc.date.available | 2019-08-13 | |
| dc.date.copyright | 2019-08-13 | |
| dc.date.issued | 2019 | |
| dc.date.submitted | 2019-08-08 | |
| dc.identifier.citation | Ai, Y.-A. (2009). A Study on the Motion and Rheological Parameters of Mud Flow in Rotating Viscometer. MSc thesis, National Taiwan University.
Capart, H. (2013). Analytical solutions for gradual dam breaching and downstream river flooding. Water Resources Research, 49(4), 1968-1987. Capart, H., Hsu, J. P. C., Lai, S. Y. J., & Hsieh, M. L. (2010). Formation and decay of a tributary-dammed lake, Laonong River, Taiwan. Water Resources Research, 46(11), 522-524. Capart, H., Young, D. L., & Zech, Y. (2002). Voronoi imaging methods for the measurement of granular flows. Experiments in fluids, 32(1), 121-135. Chanson, H., & Wang, H. (2013). Unsteady discharge calibration of a large V-notch weir. Flow Measurement and Instrumentation, 29, 19-24. Chen, S.-C. (1999). Failure Mechanism and Disaster Mitigation on Landslide Dammed Lakes. Journal of Chinese Soil and Water Conservation, 30(4), 299-311. Chen, Y.-L. (2018). Morphodynamics of the Pu-Tun-Pu-Nas Tributary Fan: Comparison of Field Survey, Theory and Lab Experiments. MSc thesis, National Taiwan University. Cheng, H.-Y. (2011). Confluence morphodynamics with tributary influx and Lake Formation: field survey and experiments. MSc thesis, National Taiwan University. Hsu, J. P. C., & Capart, H. (2008). Onset and growth of tributary-dammed lakes. Water Resources Research, 44(11), 201-206. Huang, C.-L. (2014). Debris Fan Morphology Measured in the Lab and Field Using Digital Photogrammetry. MSc thesis, National Taiwan University. Huang, C.-Y. (2018). Vertical structure of liquid-granular surges over erodible beds: experiments and theory. MSc thesis, National Taiwan University. Huang, Y.-C. (2018). Relationship between delta progradation and sediment supply distribution across the shoreline. MSc thesis, National Taiwan University. Hung, C. Y., & Capart, H. (2013). Rotating laser scan method to measure the transient free-surface topography of small-scale debris flows. Experiments in fluids, 54(9), 1544-1560. Lai, S. Y. J., & Capart, H. (2007). Two-diffusion description of hyperpycnal deltas. Journal of Geophysical Research-Earth Surface, 112(F3), 5-24. Lai, S. Y. J., Hsiao, Y. T., & Wu, F. C. (2017). Asymmetric Effects of Subaerial and Subaqueous Basement Slopes on Self-Similar Morphology of Prograding Deltas. Journal of Geophysical Research-Earth Surface, 122(12), 2506-2526. Lin, C. H., & Lin, M. L. (2015). Evolution of the large landslide induced by Typhoon Morakot: A case study in the Butangbunasi River, southern Taiwan using the discrete element method. Engineering geology, 197, 172-187. Mitchell, N. C. (2006). Morphologies of knickpoints in submarine canyons. Geological Society of America Bulletin, 118(5-6), 589-605. Ni, W.-J. (2005). Groundwater drainage and recharge by geomorphically active gullies. MSc thesis, National Taiwan University. Paola, C., & Voller, V. R. (2005). A generalized Exner equation for sediment mass balance. Journal of Geophysical Research-Earth Surface, 110(F4), 14-21. Spinewine, B., Capart, H., Larcher, M., & Zech, Y. (2003). Three-dimensional Voronoi imaging methods for the measurement of near-wall particulate flows. Experiments in fluids, 34(2), 227-241. Verhoeven, G. (2011). Taking Computer Vision Aloft - Archaeological Three-dimensional Reconstructions from Aerial Photographs with PhotoScan. Archaeological prospection, 18(1), 67-73. Wu, Y.-H. (2009). River and confluence response to the construction and failure of Balin Dam, 1977-2008 MSc thesis, National Taiwan University 易鼎工程顧問有限公司. (2013). Putanpunas Debris-Dammed lake monitoring and mitigation. Pingtung City: The Seventh River Management Office, WRA. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/74450 | - |
| dc.description.abstract | 本論文主要的研究目的是探討主流侵蝕支流沖積扇端所造成的形貌變化。分為兩個部分，第一個部分，以台灣南部荖濃溪與布唐布納斯溪匯流處的沖積扇作為研究案例，進行河川縱坡面的測量及無人飛行載具的航拍。並比對地形資料以瞭解主流與堰塞湖對沖積扇端的影響。再依此設計實驗，以雷射掃描測量定量流下扇端的侵蝕情形；第二個部分參考實驗特徵，以艾克納方程式為基礎，建立一套數值模型，並依此模擬扇端演進過程。結果顯示，實驗及數值模型皆描述了扇端從下游向上侵蝕，且演進過程初期會有一坎崖與溢流口位置相異。而在現地與實驗皆觀察到會有下游沖積扇在扇端產生並向上游遞進，其可以保護扇端不被侵蝕並造成潰壩過程停止。 | zh_TW |
| dc.description.abstract | The main purpose of this thesis is to research the morphological changes caused by the trunk river erosion of a tributary fan margin. In the first part, the debris fan at the confluence of Laonong River and Pu-Tun-Pu-Nas tributary in southern Taiwan is taken as a case study. The long profile of the river and aerial photographs of UAV are carried out. And the topographic data are compared to understand the influence of the trunk river and the dammed lake on the debris fan margin. Based on this, the experiment is designed to measure the erosion of fan margin under the condition of constant flow rate by laser scanning. The second part use the experimental observations to construct a numerical model of the process based on the Exner equation. The model is then used to simulate the evolution process of the fan margin.
The results show that both the experimental and numerical models describe the erosion from downstream to upward at the fan margin, and there will be a head cut scarp at the beginning of the evolution process which is distinct from the location of the outflow crest. Downstream alluvial fans are observed both in situ and in experiments to form downstream of the fan and retreat upstream, which can protect the fan margin from erosion and stop the process of dam failure. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-17T08:36:29Z (GMT). No. of bitstreams: 1 ntu-108-R06521302-1.pdf: 72832683 bytes, checksum: 5db05b7be33d53d097a895ac52bb3510 (MD5) Previous issue date: 2019 | en |
| dc.description.tableofcontents | 口試委員會審定書 #
誌謝 i 中文摘要 ii ABSTRACT iii CONTENTS iv LIST OF FIGURES vi LIST OF TABLES xi Chapter 1 Introduction 1 Chapter 2 Field Survey 6 2.1 Field survey methods 6 2.1.1 Aerial photogrammetry survey 6 2.1.2 Traverse survey and GPS static survey 12 2.2 Field survey results 15 2.2.1 Traverse survey result 15 2.2.2 Aerial photogrammetry survey result 16 2.2.3 Estimation of Lake Size 24 2.2.4 Comparison of DEM 28 Chapter 3 Experiment 33 3.1 Experiment set-up 33 3.1.1 Geometric model design 33 3.1.2 Experimental configuration 35 3.1.3 Model position calibration 38 3.1.4 Debris flow composition 39 3.2 Experimental procedure 40 3.3 Imaging analysis 42 3.4 Experimental results 44 Chapter 4 Theory and Numerical Model 53 4.1 Deposition of tributary debris fan model 54 4.1.1 Surface of confined cone 54 4.1.2 Fan margin formula 57 4.1.3 Combine with experiment 58 4.2 Erosion of fan margin model 59 4.2.1 Governing equation 60 4.2.2 Numerical scheme 62 4.3 Simulation of experimental phenomena 64 4.3.1 Diffusion model result 64 4.3.2 Governing equations of different schemes 64 4.3.3 Deposition along fan margin 67 4.4 Comparison with field observations 70 Chapter 5 Conclusion 73 5.1 Conclusion 73 5.2 Future works 73 5.2.1 Computational method 74 5.2.2 hydrograph 74 REFERENCES 77 | |
| dc.language.iso | en | |
| dc.subject | 無人飛行載具 | zh_TW |
| dc.subject | 布唐布納斯溪 | zh_TW |
| dc.subject | 堰塞湖 | zh_TW |
| dc.subject | 沖積扇 | zh_TW |
| dc.subject | 形貌變化 | zh_TW |
| dc.subject | 水工模型試驗 | zh_TW |
| dc.subject | laboratory experiments | en |
| dc.subject | debris fan | en |
| dc.subject | dammed lake | en |
| dc.subject | Pu-Tun-Pu-Nas | en |
| dc.subject | UAV | en |
| dc.subject | morphology | en |
| dc.title | 主流河道侵蝕支流沖積扇端：理論、實驗與現地調查 | zh_TW |
| dc.title | Trunk river erosion of a tributary fan margin: theory, experiment and field observation | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 107-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 林銘郎,吳富春,賴悅仁,洪啟耀 | |
| dc.subject.keyword | 形貌變化,沖積扇,堰塞湖,布唐布納斯溪,無人飛行載具,水工模型試驗, | zh_TW |
| dc.subject.keyword | morphology,debris fan,dammed lake,Pu-Tun-Pu-Nas,UAV,laboratory experiments, | en |
| dc.relation.page | 79 | |
| dc.identifier.doi | 10.6342/NTU201901837 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2019-08-11 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 土木工程學研究所 | zh_TW |
| 顯示於系所單位： | 土木工程學系 | |
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