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  1. 学術雑誌掲載済論文
  2. 和雑誌

嶮淵川における背水の影響を考慮したアイスジャムの検討

https://kitami-it.repo.nii.ac.jp/records/2000051
80210b94-dda4-48bb-9541-71faf150f0df
名前 / ファイル ライセンス アクション
河川技術論文集, 河川技術論文集, 26, pp.175-180.pdf (1.7 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2021-05-26
タイトル
言語 ja
タイトル 嶮淵川における背水の影響を考慮したアイスジャムの検討
タイトル
言語 en
タイトル EXAMINATION OF ICE JAM CONSIDERING THE EFFECT OF BACK WATER IN THE KENUFUCHI RIVER
言語
言語 jpn
キーワード
言語 en
主題Scheme Other
主題 ice jam
キーワード
言語 en
主題Scheme Other
主題 ice-covered river
キーワード
言語 en
主題Scheme Other
主題 numerical simulation
キーワード
言語 en
主題Scheme Other
主題 back water
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 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
著者 伊波, 友生

× 伊波, 友生

ja 伊波, 友生

en INAMI, Yu

Search repository
吉川, 泰弘

× 吉川, 泰弘

WEKO 89971
e-Rad 50414149

ja 吉川, 泰弘

ja-Kana ヨシカワ, ヤスヒロ

en YOSHIKAWA, Yasuhiro

Search repository
横山, 洋

× 横山, 洋

WEKO 38355
CiNii ID 9000018330021

ja 横山, 洋

en YOKOYAMA, Hiroshi

Search repository
矢部, 浩規

× 矢部, 浩規

WEKO 89997

ja 矢部, 浩規

en YABE, Hiroki

Search repository
抄録
内容記述タイプ Abstract
内容記述 On March 9, 2018, an ice jam occurred on the Kenefuchi River a tributary of Chitose river, due to rainfall and rising temperatures. The Kenefuchi River is narrow and has several bridges, etc., making it more vulnerable to ice jam. These ice jams can cause collision of floating ice and floods. In river management, it is important to understand how the formation of ice jam is controlled by different hydraulic conditions. In this study, we performed numerical calculations on the Kenefuchi River to quantitatively understand how the ice jam formation condition changes with boundary conditions. Considering that the boundary conditions of Kenefuchi river are affected by the water level of the main river, i.e. Chitose River, we focused on the water level at the downstream end of the kenefuchi river. We examined how it affects the formation, melting and flow of river ice.
The numerical calculations suggest that a rise in the water level in the main river increased the range of area in which ice jams occurred. It also increased the time required for resolving the ice jams. Increased water level in the main river affects the backwater in the Kenefuchi River, contributing to an increase in the number of ice jam Also, a phenomenon was observed in which multiple ice jams united to form one large ice jam. From this, it was found that it is necessary to consider the influence of backwater to correctly determine the location and scale of the ice jam.
言語 en
書誌情報 ja : 河川技術論文集

巻 26, p. 175-180, 発行日 2020-06
権利
権利情報 c 2020 公益社団法人 土木学会
出版者
言語 ja
出版者 土木学会
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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