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Title
  • ja 長期水循環に基づく流域の湿潤状態を考慮した洪水流出解析の研究
  • en RESEARCH ON FLOOD RUNOFF ANALYSIS THAT TAKES INTO ACCOUNT SOIL WATER STORAGE ESTIMATED BY LONG-TERM HYDROLOGIC PROCESS
Creator
    • ja 谷口, 陽子 en TANIGUCHI, Yoko ja-Kana タニグチ, ヨウコ
    • ja 中津川, 誠 en NAKATSUGAWA, Makoto ja-Kana ナカツガワ, マコト
    • ja 臼谷, 友秀 en USUTANI, Tomohide ja-Kana ウスタニ, トモヒデ
Accessrights open access
Rights
  • ja © 2016 土木学会
Subject
  • NDC 517
  • Other en long-term hydrological assessment model considering snow processes
  • Other en soil water storage
  • Other en storage routing model
  • Other en parameter optimization
  • Other en parameters fixed
Description
  • Other application/pdf
  • Abstract en This study aims at improving the accuracy of a currently used flood runoff model by taking into account the soil water storage (SWS) before flooding and continuously changing the effective rainfall input into the model. In this study, SWS was estimated by using a "long-term hydrological assessment model considering snow process" (LoHAS) first. Then, the runoff rate, which is changing hour to hour, was determined by using the estimated SWS as the initial value of the runoff. Next, the estimated effective rainfall was input into the storage function model. Compared to the accuracy of the current flood runoff model, the accuracy of the new model in terms of the reproduced hydrograph was improved. The accuracy in reproducing the second peak of a two-peak flood and in reproducing flood runoff caused by snowmelt and rainfall was particularly improved.
Publisher ja 土木学会
Date
    Issued2016
Language
  • jpn
Resource Type journal article
Version Type VoR
Identifier HDL http://hdl.handle.net/10258/00010081 , URI https://muroran-it.repo.nii.ac.jp/records/10134
Relation
  • isIdenticalTo NAID 130005312032
  • isIdenticalTo DOI https://doi.org/10.2208/jscejhe.72.I_163
  • isVersionOf URI https://www.jstage.jst.go.jp/article/jscejhe/72/4/72_I_163/_pdf/-char/ja
Journal
    • EISSN 2185-467X
      • ja 土木学会論文集B1（水工学） en Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
      • Volume Number72 Issue Number4 Page Start163 Page End168
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Oaidate 2024-01-12