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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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