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タイトル: | Large scale simulation of watershed mass transport – a case study of Tsengwen reservoir watershed |
著者: | Liu, Ko-Fei Chen, Yi-Chin Wu, Ying-Hsin |
発行日: | 8-Oct-2012 |
誌名: | Matsue Conference Proceedings (The Tenth International Symposium on Mitigation of Geo-disasters in Asia |
開始ページ: | 2 |
終了ページ: | 11 |
論文番号: | 共同研究(一般研究集会)24K-02 |
抄録: | We present the large scale simulation of watershed mass transport, including landslide, debris-flow and sediment transport. A case study of Tsengwen reservoir watershed under the extreme rainfall triggered by typhoon Morakot is simulated for verification. This approach starts with volume-area relationship formula with inventory method to predict temporal and regional landslide volume production and distribution. Then, debris flow model, Debris-2D, is used to simulate the mass transport of debris-flow from hillslope to fluvial channel. Finally a sediment transport model, NETSTARS, is used for hydraulic and sediment routing in river and reservoir. The integrated simulation for the whole watershed gives a very good agreement with the temporal variation of sediment concentration recorded at the very downstream location. |
記述: | The Tenth International Symposium on Mitigation of Geo-disasters in Asia Matsue Symposium Place: Shimane Civil Center, Matsue Date: 8 October 2012 |
URI: | http://hdl.handle.net/2433/180424 |
出現コレクション: | Matsue Conference Proceedings |

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