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タイトル: | Numerical Study on the Hydro-Morphological and Bank Erosion Characteristics of Uji River, Japan |
著者: | KARKI, Saroj NAKAGAWA, Hajime KAWAIKE, Kenji HASHIMOTO, Masakazu |
著者名の別形: | 中川, 一 川池, 健司 ハシモト, マサカズ |
キーワード: | alluvial meanders Uji River bank erosion numerical simulation telemac-2d |
発行日: | Sep-2019 |
出版者: | 京都大学防災研究所 |
誌名: | 京都大学防災研究所年報. B |
巻: | 62 |
号: | B |
開始ページ: | 598 |
終了ページ: | 610 |
抄録: | We performed numerical study on Uji River with an objective to analyze the channel hydromorphological characteristics including bank erosion process. Simulation results suggested that the overall channel evolution is insignificant but the bank erosion is dominant at several locations. It was also concluded that the bank erosion is mainly caused by the undercutting of the bank toe due to the low flow condition which induce high bed shear stress and high near bank velocity. With higher flow discharge, the zone of maximum velocity tend to shift more towards the channel center. Results of the prediction of bank erosion indicated that fluvial erosion due to the scour near the bank toe is dominant at most of the locations in Uji River. |
URI: | http://hdl.handle.net/2433/244984 |
関連リンク: | http://www.dpri.kyoto-u.ac.jp/publications/nenpo/ |
出現コレクション: | Vol.62 B |
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