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The Sedimentation on a Wave-dominated Open Coast as Effected by Fluvial Supply and Littoral Drift

Research Project

Project/Area Number 26289155
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Geotechnical engineering
Research InstitutionOsaka City University

Principal Investigator

SEKIGUCHI Hideo  大阪市立大学, 大学院理学研究科, 客員教授 (20027296)

Co-Investigator(Kenkyū-buntansha) 山崎 秀夫  近畿大学, 理工学部, 教授 (30140312)
東 良慶  京都大学, 防災研究所, 助教 (50464201)
細山田 得三  長岡技術科学大学, 工学(系)研究科(研究院), 教授 (70262475)
原口 強  大阪市立大学, 大学院理学研究科, 准教授 (70372852)
Research Collaborator UETA Keiichi  
SHIMOYAMA Shoichi  
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥16,250,000 (Direct Cost: ¥12,500,000、Indirect Cost: ¥3,750,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
Fiscal Year 2014: ¥8,320,000 (Direct Cost: ¥6,400,000、Indirect Cost: ¥1,920,000)
Keywords国土保全 / 自然災害 / 海岸侵食 / 漂砂環境 / 洪水堆積物
Outline of Final Research Achievements

This research project explores the way in which extensive beaches of sand have developed on an open-coast rocky shore that faces the Japan Sea. The operation of the Okotsu diversion channel started in 1922 marks the abrupt and thereafter continued supply of fluvial sediment. The discussion centers on assessing the rates and pathways of the sandy and muddy sediments in the sea, including the following themes: storage over a shore platform; beach progradation; seaward limit of cross-shore profile change; muddy flood deposits on a wave-dominated shoreface; wave-formed sedimentary structure; and shelf sedimentation. A closed-form solution based on one-line modelling enabled the authors to reconstruct the stages of development of sandy beaches on a shore platform, and to assess the fluxes of associated longshore drift in the context of the sediment budget analysis.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Annual Research Report
  • 2014 Annual Research Report
  • Research Products

    (13 results)

All 2016 2015 2014

All Journal Article (6 results) (of which Peer Reviewed: 6 results,  Open Access: 4 results,  Acknowledgement Compliant: 4 results) Presentation (7 results)

  • [Journal Article] 漂砂と堆積作用の繋がりー野積海岸の底質環境変遷に着目して2016

    • Author(s)
      関口秀雄・山崎秀夫・石田真展・東良慶・原口強・細山田得三
    • Journal Title

      土木学会論文集B2(海岸工学)

      Volume: 72巻2号

    • NAID

      130005282508

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] 河口から放出される土砂と海水の混合による沈降促進を考慮した浮遊土砂の数値計算2016

    • Author(s)
      大竹剛史・AYURZANA Badarch・細山田得三
    • Journal Title

      土木学会論文集B2(海岸工学)

      Volume: 72巻2号

    • NAID

      130005282264

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] 大河津分水ー寺泊野積海岸系における河川土砂流出と堆積層形成の繋がり2016

    • Author(s)
      関口秀雄・山崎秀夫・石田真展・東良慶・原口強・細山田得三
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 72巻4号

    • NAID

      130005312049

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] 大規模河川の河口から放出される土砂の海底への沈降と堆積過程の計算2016

    • Author(s)
      大竹剛史・Ayurzana Badarch・細山田得三
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 72巻4号

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Implications of flood event layers in coastal sedimentary environments2015

    • Author(s)
      Azuma, R., Yamazaki, H., Ishida, M., Hiraishi, T. and Sekiguchi, H.
    • Journal Title

      Scour and Erosion (Chen, Draper & An eds.), Taylor & Francis Group, London

      Volume: 1巻 Pages: 765-772

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 寺泊野積海岸の河口砂浜域における淡水地下水流出量の推定2014

    • Author(s)
      東良慶・田邉修平・平石哲也・関口秀雄
    • Journal Title

      土木学会論文集B2(海岸工学)

      Volume: 70巻2号

    • NAID

      130004706789

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed
  • [Presentation] 漂砂と堆積作用の繋がりー野積海岸の底質環境変遷に着目して2016

    • Author(s)
      関口秀雄・山崎秀夫・石田真展・東良慶・原口強・細山田得三
    • Organizer
      第63回海岸工学講演会,土木学会
    • Place of Presentation
      大阪大学中之島センター(大阪府大阪市)
    • Year and Date
      2016-11-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] 河口から放出される土砂と海水の混合による沈降促進を考慮した浮遊土砂の数値計算2016

    • Author(s)
      大竹剛史・AYURZANA Badarch・細山田得三
    • Organizer
      第63回海岸工学講演会,土木学会
    • Place of Presentation
      大阪大学中之島センター(大阪府大阪市)
    • Year and Date
      2016-11-17
    • Related Report
      2016 Annual Research Report
  • [Presentation] 大河津分水ー寺泊野積海岸系における河川土砂流出と堆積層形成の繋がり2016

    • Author(s)
      関口秀雄・山崎秀夫・石田真展・東良慶・原口強・細山田得三
    • Organizer
      第60回水工学講演会、土木学会
    • Place of Presentation
      東北工業大学八木山キャンパス9号館(宮城県仙台市)
    • Year and Date
      2016-03-15
    • Related Report
      2015 Annual Research Report
  • [Presentation] 大規模河川の河口から放出される土砂の海底への沈降と堆積過程の計算2016

    • Author(s)
      大竹剛史・Ayurzana Badarch・細山田得三
    • Organizer
      第60回水工学講演会、土木学会
    • Place of Presentation
      東北工業大学八木山キャンパス9号館(宮城県仙台市)
    • Year and Date
      2016-03-15
    • Related Report
      2015 Annual Research Report
  • [Presentation] 福島第一原発事故で放出された放射性セシウムの移流に果す河川水中の懸濁粒子の役割2015

    • Author(s)
      石田真展・山敷庸亮・関口秀雄・原口強・東良慶・山崎秀夫
    • Organizer
      日本地球惑星科学連合会2015年大会
    • Place of Presentation
      幕張メッセ(千葉県千葉市)
    • Year and Date
      2015-05-27
    • Related Report
      2014 Annual Research Report
  • [Presentation] Implications of flood event layers in coastal sedimentary environments2014

    • Author(s)
      Azuma, R., Yamazaki, H., Ishida, M., Hiraishi, T. and Sekiguchi, H.
    • Organizer
      7th International Conference on Scour and Erosion
    • Place of Presentation
      Rendevous Grand Hotel Perth, Western Australia
    • Year and Date
      2014-12-03
    • Related Report
      2014 Annual Research Report
  • [Presentation] 寺泊野積海岸の河口砂浜域における淡水地下水流出量の推定2014

    • Author(s)
      東良慶・田邉修平・平石哲也・関口秀雄
    • Organizer
      第61回海岸工学講演会、土木学会
    • Place of Presentation
      名古屋市産業労働センター(愛知県名古屋市)
    • Year and Date
      2014-11-13
    • Related Report
      2014 Annual Research Report

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Published: 2014-04-04   Modified: 2018-03-22  

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