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![](/Englishweb/images/071.png)
Vol.44,
No.1,
Content: ![](/EnglishWeb/images/nopdf.gif) PDF( 0MB ) Editorial Scope and Editorial Board: ![](/EnglishWeb/images/nopdf.gif) PDF( 0MB )
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1 | ![](/EnglishWeb/images/Export To Document.png) | Three-dimensional Numerical Modeling of Rockfalls using High Resolution DTM | | 2 | ![](/EnglishWeb/images/Export To Document.png) | Hydraulic Analysis of Water Flow Passing over Vegetated Areas with Finite Thick Soil Layers under Uniform Rainfall | | 3 | ![](/EnglishWeb/images/Export To Document.png) | Using UAV and VBS-RTK for Rapid Reconstruction of Environmental 3D Elevation Data of the Typhoon Morakot Disaster Area and Disaster Scale Assessment 44(1):23-33Chien-Ting Wu[1]* Cheng-Yang Hsiao[2] Pao-Shan Hsieh[2]* Corresponding Author. E-mail : Kenwu@uch.edu.tw Show preview | PDF( 2.48MB ) | Using UAV and VBS-RTK for Rapid Reconstruction of Environmental 3D Elevation Data of the Typhoon Morakot Disaster Area and Disaster Scale Assessment | ![](/EnglishWeb/images/checkbox-checked.png) Close | Chien-Ting Wu[1]* Cheng-Yang Hsiao[2] Pao-Shan Hsieh[2] | AbstractIn recent years, typhoons and heavy rains in Taiwan are often accompanied by sediment disasters such as landslides and debris flows. If disaster area information can be obtained in the shortest possible period of time for rapid assessment of sediment transport and disaster scale, it can provide quantitative reference information for follow-up disaster relief and decision-making. Focusing on the Leye collapse in the Typhoon Morakot disaster area and its surroundings as the research area, this study employed UAV, which defies ground photography angle limits and performs low-altitude photography of the disaster-hit area. Next, by using unconventional photogrammetry technology, a field of computer vision technology, combined with VBS-RTK technology, which has become mature in recent years, this study aims to accomplish real time positioning of the reference control points and rapidly reconstruct the environmental 3D elevation data of the disaster area. The proposed approach can enable a rapid quantitative assessment of major sources of sediment, potential unstable areas, and the scale of the sediment disaster. Topographic data obtained using the proposed method can be applied to rapidly calculate landslide depth, and landslide volume after comparison with pre-disaster DTM data. | 〔1〕 Department of Civil Engineering, National Chiao Tung University, 1001 University Road, Hsinchu, 300, Taiwan, R.O.C.
〔2〕 Disaster Prevention Technology Research Center, Sinotech Engineering Consultants, Inc, Taiwan, R.O.C. * Corresponding Author. E-mail : Kenwu@uch.edu.tw | Received: 2012/09/10 Revised: 2012/11/17 Accepted: 2012/11/27
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| | 4 | ![](/EnglishWeb/images/Export To Document.png) | Characteristic Analysis of Landslide Scale and Location Induced by Heavy Rainfall in Taiwan | | 5 | ![](/EnglishWeb/images/Export To Document.png) | Evaluation of Rainfall-Based Sediment Disaster Warning Systems: Case Studies in Taiwan and Japan | | 6 | ![](/EnglishWeb/images/Export To Document.png) | Deterministic Approach for Estimating the Critical Rainfall Threshold of the Rainfall-induced Nan-Shi-Keng Landslide | | 7 | ![](/EnglishWeb/images/Export To Document.png) | The Study of Iterative Entropy-based Classification By Remote Sensing Data: A Case Study of Wan Da Reservoir | | 8 | ![](/EnglishWeb/images/Export To Document.png) | Estimation of Rainfall Threshold for Regional Shallow Landslides in a Watershed | |
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