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  1. 学術雑誌掲載済論文
  2. 洋雑誌

Development of a meandering channel caused by the planform shape of the river bank

https://kitami-it.repo.nii.ac.jp/records/8072
c6165ae1-4783-4038-92c0-bc1a27e40204
名前 / ファイル ライセンス アクション
2014.04_Development 2014.04_Development of a meandering channel caused by the planform shape of the river bank.pdf (11.9 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2016-01-29
タイトル
言語 en
タイトル Development of a meandering channel caused by the planform shape of the river bank
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
アクセス権
アクセス権URI open access
著者 Nagata, T

× Nagata, T

WEKO 42051

ja Nagata, T

Search repository
Watanabe, Y

× Watanabe, Y

WEKO 42052

en Watanabe, Y

Search repository
Yasuda, H

× Yasuda, H

WEKO 42053

en Yasuda, H

Search repository
Ito, A

× Ito, A

WEKO 42054

ja Ito, A

Search repository
著者別名
姓名
姓名 渡邊, 康玄
言語 ja
抄録
内容記述タイプ Abstract
内容記述 Due to a typhoon and a stationary rain front, record amounts of rain fell in September 2011, and the
largest class of discharge in recorded history was observed in the Otofuke River of eastern Hokkaido in Japan,
and extensive bank erosion occurred in various parts of the river channel. Damages were especially serious
in the middle reaches, where part of a dike was washed out. The results of a post-flood survey suggested that
the direct cause of the dike breach was lateral advance of the bank erosion associated with the development
of meandering channels. As the related development mechanism and predominant factors have not yet been
clarified, this remains a priority from the viewpoint of disaster prevention. A past study on the development
of meandering channels was reported by Shimizu et al. (1996). In this study, the meandering channel development
process was reproduced using a slope failure model that linked bank erosion with bed changes. The study
attempted to clarify the meandering development mechanism in the disaster and its predominant factors by using
this model. The analysis properly reproduced the characteristics of the post-flood meandering waveforms.
Therefore, it is suggested that the development of meandering during the flood attributed to the propagation
of meandering downstream, which is triggered by the meandering flow from the meandering channel in the
upstream, which also suggests that this propagated meandering then caused a gradual increase of meandering
amplitude accompanied by bank erosion in the recession period of the flood.
内容記述
内容記述タイプ Other
内容記述 c Author(s) 2014. This work is distributed
under the Creative Commons Attribution 3.0 License.
書誌情報 Earth Surface Dynamics

巻 2, p. 255-270, 発行日 2014
DOI
関連識別子
識別子タイプ DOI
関連識別子 http://doi.org/10.5194/esurf-2-255-2014
権利
権利情報 c Author(s) 2014. This work is distributedunder the Creative Commons Attribution 3.0 License.
出版者
出版者 European Geosciences Union
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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