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The formation of river mouth deltas accompanied by channel networks and the preservation mechanism of tidal flats

Research Project

Project/Area Number 23360209
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Hydraulic engineering
Research InstitutionHokkaido University

Principal Investigator

NORIHIRO Izumi  北海道大学, 工学(系)研究科(研究院), 教授 (10260530)

Co-Investigator(Kenkyū-buntansha) SHIMIZU Yasuyuki  北海道大学, 大学院・工学研究院, 教授 (20261331)
WATANABE Yasuharu  北見工業大学, 工学部, 教授 (00344424)
Project Period (FY) 2011-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥15,470,000 (Direct Cost: ¥11,900,000、Indirect Cost: ¥3,570,000)
Fiscal Year 2013: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2011: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Keywordsタイダルチャンネル / 潮汐流 / 水路網 / 浸透流 / 河口デルタ / 複列砂州 / 網状流路 / 水路群 / タイダルクリーク / 河川流 / 安定性 / 蛇行流路 / 砂州 / 移流拡散方程式 / 潮汐 / 感潮湿原 / Horton則 / 線形安定解析
Research Abstract

We reproduced tidal channels formed by tidal flow in an experimental flume, and performed statistic and fractal analyses to quantify geometrical features observed in the experiments. It is found from the analyses that the pattern of tidal fluctuation has a significant impact on the configuration of tidal channels. We performed numerical simulation of the formation of tidal channels with seepage flow considered. It is found that seepage flow has a strong influence on channel bifurcation, and that seepage flow increases the scale of tidal channels. It is suggested that small scale tidal channels are analogous to multiple bars formed in rivers, as channels formed on steep slopes subject to rainfall and rhomboid rills formed by waves. The large scale tidal channels are formed by sheet flow created by seepage flow coming from underground due to tidal fluctuations.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Annual Research Report
  • 2011 Annual Research Report
  • Research Products

    (49 results)

All 2014 2013 2012 2011

All Journal Article (33 results) (of which Peer Reviewed: 22 results) Presentation (16 results)

  • [Journal Article] 感潮域における水路網形成2014

    • Author(s)
      久世晴日, 泉 典洋, Adriano C. de Lima
    • Journal Title

      土木学会北海道支部論文報告集

      Volume: 70

    • Related Report
      2013 Final Research Report
  • [Journal Article] 感潮域における水路網形成2014

    • Author(s)
      久世晴日,泉 典洋,Adriano Coutinho de Lima
    • Journal Title

      土木学会北海道支部論文報告集

      Volume: 70

    • Related Report
      2013 Annual Research Report
  • [Journal Article] 節腹連続河道の形成に関する線形安定解析2014

    • Author(s)
      渡邊康玄,長谷川和義,吉川泰弘,早川 博
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 70(4) Pages: 991-996

    • NAID

      130005070107

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 節腹連続河道形成に関する実験的研究2014

    • Author(s)
      島 絵梨子,渡邊 康玄,吉川 泰弘
    • Journal Title

      土木学会北海道支部論文報告集

      Volume: 70

    • NAID

      120006678272

    • Related Report
      2013 Annual Research Report
  • [Journal Article] Measurements Concerning Generation of Rhomboid Rills in Flume Experiments: Froude Number and Sand-Topographic Feature.2013

    • Author(s)
      Endo, N., Murakami T., And Izumi, N.
    • Journal Title

      Journal of the Physical Society of Japan.

      Volume: 82 Issue: 3 Pages: 33401-33401

    • DOI

      10.7566/jpsj.82.033401

    • NAID

      210000132433

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] 浸透層内におけるRayleigh-Taylor不安定2013

    • Author(s)
      泉 典洋, 前田健一
    • Journal Title

      土木学会論文集A2

      Volume: 69, 2

    • NAID

      130004557385

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Modeling of the initiation and development of tidal creek networks2013

    • Author(s)
      Toshiki Iwasaki, Yasuyuki Shimizu, and Ichiro Kimura
    • Journal Title

      Maritime Engineering

      Volume: 166, MA2 Issue: 2 Pages: 76-88

    • DOI

      10.1680/maen.2012.12

    • Related Report
      2013 Annual Research Report 2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Tidal creek の形成・発達要因に関する一考察2013

    • Author(s)
      岩崎理樹, 奥寺亮太, 清水康行, 木村一郎
    • Journal Title

      土木学会論文集B1

      Volume: 69, 4

    • NAID

      130004558116

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] 浅水流方程式と平衡流砂量式を基本とした河床変動計算モデルに関する検討2013

    • Author(s)
      岩崎理樹・清水康行・木村一郎
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 69(4) Pages: 123-134

    • NAID

      130004961425

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 二次流モデルが自由砂州計算に与える影響2013

    • Author(s)
      岩崎理樹・清水康行・木村一郎
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 69(4) Pages: 147-163

    • NAID

      130004961427

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 交互砂州状の地形起伏と蛇行発達現象に関する感度分析2013

    • Author(s)
      永多朋紀,渡邊康玄,伊藤丹,桑村貴志
    • Journal Title

      土木学会年次学術講演会講演概要集

      Volume: 68 Pages: 163-164

    • Related Report
      2013 Annual Research Report
  • [Journal Article] 河岸粗度が交互砂州形状に及ぼす影響2013

    • Author(s)
      矢野雅昭,渡邊康玄,矢部浩規,渡邉和好
    • Journal Title

      土木学会年次学術講演会講演概要集

      Volume: 68 Pages: 161-162

    • Related Report
      2013 Annual Research Report
  • [Journal Article] Experiment on channel formation process using wide width flume2013

    • Author(s)
      Shima, E., Watanabe, Y
    • Journal Title

      Advances in River Sediment Research

      Volume: 12 Pages: 671-676

    • Related Report
      2013 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 潮汐をともなう河口デルタ地形の形成機構に関する研究2013

    • Author(s)
      泉 典洋
    • Journal Title

      土木学会北海道支部論文報告集

      Volume: 69

    • Related Report
      2012 Annual Research Report
  • [Journal Article] Tidal Creekの形成・発達要因に関する一考察2013

    • Author(s)
      岩崎理樹
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 69

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Tidal Creekの形成・発達に及ぼす水理パラメータ依存性に関する実験2013

    • Author(s)
      奥寺亮太
    • Journal Title

      土木学会北海道支部論文報告集

      Volume: 69

    • Related Report
      2012 Annual Research Report
  • [Journal Article] 流路網形成過程とそれに伴って形成される蛇行流路における砂州と平面不安定の影響2013

    • Author(s)
      島絵梨子
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 69

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 砂州地形に誘発された蛇行発達2013

    • Author(s)
      永多朋紀
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 69

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 幅広水路を用いた流路網形成実験2012

    • Author(s)
      島絵梨子, 渡邊康玄, 佐野賢司
    • Journal Title

      土木学会論文集A2

      Volume: 68, 2

    • NAID

      130004557302

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] 浸透流を考慮したTidal Creek の発達過程に関する数値解析2012

    • Author(s)
      岩崎理樹, 清水康行, 木村一郎
    • Journal Title

      土木学会論文集B1

      Volume: 68, 4

    • NAID

      130004557792

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] 流路網形成過程に関する基礎的水理模型実験2012

    • Author(s)
      島絵梨子, 渡邊康玄, 福岡将太
    • Journal Title

      土木学会北海道支部論文報告集

      Volume: 68

    • NAID

      120006678225

    • Related Report
      2013 Final Research Report
  • [Journal Article] Numerical simulation on development processes of tidal creek network with seepage flow2012

    • Author(s)
      Toshiki Iwasaki
    • Journal Title

      Proceedings of IAHR-APD 2012

      Volume: 18 Pages: 293-294

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 河岸浸食に及ぼす河床形状の影響2012

    • Author(s)
      渡邊康玄
    • Journal Title

      土木学会河川技術論文集

      Volume: 18 Pages: 269-274

    • NAID

      120007180777

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 幅広水路を用いた流路網形成実験2012

    • Author(s)
      島絵梨子
    • Journal Title

      土木学会論文集A2(応用力学)

      Volume: 68

    • Related Report
      2012 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 三角州の形成に潮汐が与える影響に関する実験的研究2012

    • Author(s)
      泉典洋, 会沢里鶴
    • Journal Title

      土木学会北海道支部平成23年度論文報告集

      Volume: (CD-ROM)

    • Related Report
      2011 Annual Research Report
  • [Journal Article] 流路網形成過程に関する基礎的水理模型実験2012

    • Author(s)
      島絵梨子, 渡邊康玄, 福岡将太
    • Journal Title

      土木学会北海道支部平成23年度論文報告集

      Volume: (CD-ROM)

    • NAID

      120006678225

    • Related Report
      2011 Annual Research Report
  • [Journal Article] 混合砂礫の衝突による軟岩の洗掘機構2012

    • Author(s)
      大澤亮介, 渡邊康玄, 〓目淑範
    • Journal Title

      土木学会北海道支部平成23年度論文報告集

      Volume: (CD-ROM)

    • NAID

      120006678221

    • Related Report
      2011 Annual Research Report
  • [Journal Article] 浸透流を考慮したTidal Creekの発達過程に関する数値解析2012

    • Author(s)
      岩崎理樹・清水康行・木村一郎
    • Journal Title

      土木学会論文集B1(水工学)

      Volume: 68

    • NAID

      130004557792

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 感潮湿原に形成される水路網の形状特性2011

    • Author(s)
      岩崎理樹, 渡部靖憲, 奥寺亮太, 清水康行, 木村一郎
    • Journal Title

      土木学会論文集B2

      Volume: 67, 2

    • NAID

      130004550626

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] 湧水侵食による初期水路群形成に関する研究2011

    • Author(s)
      竹井義博, 泉 典洋
    • Journal Title

      土木学会論文集A2

      Volume: 67, 2

    • NAID

      130004557193

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] モルタルで擬似した軟岩の流砂の衝突による洗掘2011

    • Author(s)
      小松佑輔・渡邊康玄・泉典洋・竹林洋史
    • Journal Title

      土木学会河川技術論文集

      Volume: 17 Pages: 167-172

    • NAID

      120006678202

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 感潮湿原に形成される水路網の形状特性2011

    • Author(s)
      岩崎理樹・渡部靖憲・奥寺亮太・清水康行・木村一郎
    • Journal Title

      土木学会論文集B2(海岸工学)

      Volume: 2

    • NAID

      130004550626

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Experimental and numerical studies on development of tidal creek network2011

    • Author(s)
      Iwasaki, T., Y.Shimizu, I.Kimura
    • Journal Title

      Porceedings of International Symposium on River, Coastal and Estuarine Morphodynamics

      Pages: 2091-2100

    • NAID

      130004557689

    • Related Report
      2011 Annual Research Report
    • Peer Reviewed
  • [Presentation] 感潮域における水路網形成2014

    • Author(s)
      久世晴日
    • Organizer
      土木学会応用力学シンポジウム
    • Place of Presentation
      琉球大学
    • Related Report
      2013 Final Research Report
  • [Presentation] 感潮域における水路網形成2014

    • Author(s)
      久世晴日
    • Organizer
      土木学会応用力学シンポジウム
    • Place of Presentation
      琉球大学(西原町)
    • Related Report
      2013 Annual Research Report
  • [Presentation] Hydraulic experiment on formation process of braided channels using wide flume2013

    • Author(s)
      Yasuharu Watanabe
    • Organizer
      8th Symposium on River, Coastal and Estuarine Mrophodynamics
    • Place of Presentation
      University of Cantabira, Santander, Spain
    • Related Report
      2013 Final Research Report
  • [Presentation] A controlling factor on formation and development of tidal creek networks2013

    • Author(s)
      Toshiki Iwasaki
    • Organizer
      8th Symposium on River, Coastal and Estuarine Mrophodynamics
    • Place of Presentation
      University of Cantabira, Santander, Spain
    • Related Report
      2013 Final Research Report
  • [Presentation] 潮汐をともなう河口デルタ地形の形成機構に関する研究2013

    • Author(s)
      久世晴日
    • Organizer
      平成24年度土木学会北海道支部年次技術研究発表会
    • Place of Presentation
      函館高専
    • Related Report
      2013 Final Research Report
  • [Presentation] A controlling factor on formation and development of tidal creek networks2013

    • Author(s)
      Toshiki Iwasaki
    • Organizer
      The 8th Symposium on River, Coastal and Estuarine Morphodynamics
    • Place of Presentation
      University of Cantabria, Santander, Spain
    • Related Report
      2013 Annual Research Report
  • [Presentation] Hydraulic Experiment on Formation Process of Braided Channels using Wide Flume2013

    • Author(s)
      Yasuharu Watanabe
    • Organizer
      The 8th Symposium on River, Coastal and Estuarine Morphodynamics
    • Place of Presentation
      University of Cantabria, Santander, Spain
    • Related Report
      2013 Annual Research Report
  • [Presentation] Development of a Meandering Channel Caused by the Plane Shape of the River Bank2013

    • Author(s)
      Tomonori Nagata
    • Organizer
      The 8th Symposium on River, Coastal and Estuarine Morphodynamics
    • Place of Presentation
      University of Cantabria, Santander, Spain
    • Related Report
      2013 Annual Research Report
  • [Presentation] 潮汐をともなう河口デルタ地形の形成機構に関する研究2013

    • Author(s)
      久世晴日
    • Organizer
      平成24年度土木学会北海道支部年次技術研究発表会
    • Place of Presentation
      函館工業高等専門学校(北海道)
    • Related Report
      2012 Annual Research Report
  • [Presentation] Tidal Creekの形成・発達要因に関する一考察2013

    • Author(s)
      岩崎理樹
    • Organizer
      第57回水工学講演会
    • Place of Presentation
      名城大学(愛知)
    • Related Report
      2012 Annual Research Report
  • [Presentation] Tidal Creekの形成・発達に及ぼす水理パラメータ依存性に関する実験2013

    • Author(s)
      奥寺亮太
    • Organizer
      平成24年度土木学会北海道支部年次技術研究発表会
    • Place of Presentation
      函館工業高等専門学校(北海道)
    • Related Report
      2012 Annual Research Report
  • [Presentation] 降雨によって急勾配斜面上に形成される水路網2012

    • Author(s)
      長原準也
    • Organizer
      日本地球惑星科学連合大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2012-05-21
    • Related Report
      2013 Final Research Report
  • [Presentation] 水理量の違いによる流路網形成過程の変化2012

    • Author(s)
      島絵梨子
    • Organizer
      土木学会第67回年次学術講演会
    • Place of Presentation
      名古屋大学
    • Related Report
      2013 Final Research Report
  • [Presentation] Numerical simulation on development processes of tidal creek network with seepage flow2012

    • Author(s)
      Toshiki Iwasaki
    • Organizer
      18th Congress of APD-IAHR
    • Place of Presentation
      ICC Jeju, Jeju Island, Korea
    • Related Report
      2013 Final Research Report
  • [Presentation] Numerical simulation on development processes of tidal creek network with seepage flow2012

    • Author(s)
      Toshiki Iwasaki
    • Organizer
      18th Congress of the Asia & Pacific Division of the International Association for Hydro-Environment Engineering and Research
    • Place of Presentation
      ICC Jeju, Jeju Island (Korea)
    • Related Report
      2012 Annual Research Report
  • [Presentation] 水理量の違いによる流路網形成過程の変化2012

    • Author(s)
      島絵梨子
    • Organizer
      土木学会第67回年次学術講演会
    • Place of Presentation
      名古屋大学(名古屋)
    • Related Report
      2012 Annual Research Report

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Published: 2011-04-06   Modified: 2019-07-29  

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