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Title: ネスティングモデルを用いたバングラデシュ・ジャムナ川における洪水氾濫リスク評価
Other Titles: Risk Assessment for River Flood on Jamuna River in Bangladesh Using A Nested Flood SimulationModel
Authors: 橋本, 雅和  KAKEN_name
川池, 健司  kyouindb  KAKEN_id
中川, 一  kyouindb  KAKEN_id
Author's alias: HASHIMOTO, Masakazu
Keywords: ネスティングモデル
Nested model
flooding analysis
dry bed
uneven terrain
Issue Date: Jun-2015
Publisher: 京都大学防災研究所
Journal title: 京都大学防災研究所年報. B = Disaster Prevention Research Institute Annuals. B
Volume: 58
Issue: B
Start page: 377
End page: 385
Abstract: The main objective of this study is to assess the risk of river flooding from the Jamuna River by using a two-dimensional flood simulation model. Firstly, we examined the methods of the nested flood simulation model focusing on the situation where dry beds are frequently present. Secondly, methods were applied to the target area in Bangladesh. Consequently, the results of the nested method using water depth were superior on the viewpoint of flooded area, depth and volume. Also, the simulation result showed good agreement in terms of the extent of flooding. For the further research, consideration of the roughness depending on the grid size was suggested.
Appears in Collections:Vol.58 B

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