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https://hdl.handle.net/20.500.14094/90007868
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2024-04-20
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90007868 (fulltext)
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メタデータID
90007868
アクセス権
open access
出版タイプ
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タイトル
Inundation analysis using coupling storage function model with a distributed hydrological model in Kushiro marsh, Japan
著者
Sakaguchi, Shino ; Nakayama, Keisuke ; Kobayashi, Kenichiro ; Komai, Katsuaki
著者名
Sakaguchi, Shino
著者ID
A0044
研究者ID
1000060271649
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=c5a2042377aa64d0520e17560c007669
著者名
Nakayama, Keisuke
中山, 恵介
ナカヤマ, ケイスケ
所属機関名
工学研究科
著者ID
A0439
研究者ID
1000060420402
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=453d881bb9e2f37c520e17560c007669
著者名
Kobayashi, Kenichiro
小林, 健一郎
コバヤシ, ケンイチロウ
所属機関名
都市安全研究センター
著者名
Komai, Katsuaki
収録物名
Hydrological Research Letters
巻(号)
14(2)
ページ
75-80
出版者
Japan Society of Hydrology and Water Resources (JSHWR)
Japanese Association of Groundwater Hydrology (JAGH)
Japanese Association of Hydrological Sciences (JAHS)
Japanese Society of Physical Hydrology (JSPH)
刊行日
2020
公開日
2021-02-18
抄録
In Kushiro River basin, inundation is likely to occur due to heavy rain, since the river-bed slope is very gentle in the downstream portion, which has natural levees. Consequently, in past floods, river discharge was observed to increase slowly and a delay of a few days in peak river discharge was observed compared to the peak precipitation. Therefore, we applied a distributed hydrological model, Geophysical fluid CIRCulation model (GeoCIRC), to reproduce such flood discharge in Kushiro River. GeoCIRC is based on object-oriented programming and various hydrological processes, such as infiltration flow, underground water flow, surface flow, and river flow can be implemented easily. We proposed a model that can incorporate the effect of return flow using storage function by introducing new parameters, such as storage time and time lag. This was done to consider not only the flood inundation in Kushiro River but also the return flow from flood inundation to the river flow. As a result, we obtained high Nash-Sutcliffe coefficients for river discharge for two large flood events.
キーワード
GeoCIRC
return flow
time lag
storage time
infiltration flow
カテゴリ
工学研究科
都市安全研究センター
学術雑誌論文
権利
© The Author(s) 2020.
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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資源タイプ
journal article
言語
English (英語)
eISSN
1882-3416
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関連情報
DOI
https://doi.org/10.3178/hrl.14.75
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