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Tidal flat sediments environment comprehensive analysis model and its practical application

Research Project

Project/Area Number 25420525
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Hydraulic engineering
Research InstitutionHiroshima University

Principal Investigator

Takao Yamashita  広島大学, 国際協力研究科, 教授 (30111983)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords干潟土砂環境 / 海洋モデル / 波浪モデル / フロック / 近未来気候変動 / 水文流出モデル / シルト・砂 / 粘着性底泥 / 海洋再解析データ / 気象再解析データ / メソ気象モデル / 干潟環境 / 干潟 / 底質 / 水質 / バロクリニック流動 / 水文流出 / 準3次元海洋モデル / 流動性底泥層
Outline of Final Research Achievements

Silt components suspended in the rivers, aggregate to form so called flocs with an increase in positive ion concentration of estuarine water, resulting in settlement of tidal flat sediment. The mean flow at the estuary that transports the flock and sand, are affected by tide, wind currents, wave induced flow, and the buoyancy determined by the salinity and water temperature. Establishment of sediment environment model at tidal flat were carried out in this study to reproduce such a complex sediment dynamics. Other models for precipitation, hydrological runoff, rivers and coastal currents, sea surface wind fields, coastal waves, and open ocean environment, were bound as a collected large-scale numerical model system to construct a comprehensive analysis model for tidal flat sediments environment that was applied not only for historical environment reproduction but also prediction of the future tidal flat environment based on the output of near future climate change model.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (13 results)

All 2016 2015 2013 Other

All Int'l Joint Research (1 results) Journal Article (4 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 4 results,  Open Access: 1 results) Presentation (7 results) (of which Int'l Joint Research: 3 results,  Invited: 3 results) Book (1 results)

  • [Int'l Joint Research] Hasanuddin University/Papua State University(Indonesia)

    • Related Report
      2015 Annual Research Report
  • [Journal Article] Coastal Wave Reanalysis in Hue Beach, South China Sea2016

    • Author(s)
      Tran Thi Khuyen and Takao Yamashita
    • Journal Title

      Journal of International Development and Cooperation

      Volume: Vol.23

    • NAID

      120005998128

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Projection and Historical Analysis of Hydrological Circulation in Sittaung River Basin, Myanmar2016

    • Author(s)
      Takao Yamashita and Htay Aung
    • Journal Title

      Journal of Civil Engineering and Architecture

      Volume: Vol.10

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Regional Environment Simulator and Its Applications to Environmental Assessment in Estuary with Consideration of Climate Changes2013

    • Author(s)
      Takao YAMASHITA and Batincila Glenn
    • Journal Title

      Special Edition of ITB Journal

      Volume: Special Edition Pages: 327-350

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Near-Term Perspective of Ocen Climate Changes in Indonesia for Tropical Coastal Engineering2013

    • Author(s)
      T. Yamashita, H. Bambang, K. Teti and Hendri
    • Journal Title

      Proceedings of the 7th International Conference Asian and Pasific Coasts 2013

      Volume: 7th Pages: 944-949

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] NEAR FUTURE PROJECTION OF PRECIPITATION, TEMPETARURE, TYPHOON AND SEA LEVEL RISE IN ASIA OCEANIA2016

    • Author(s)
      Takao Yamashita
    • Organizer
      Vietnam-Japan Workshop on Estuaries, Coasts, and Rivers 2016
    • Place of Presentation
      HoChiMinh, Vietnam
    • Year and Date
      2016-09-20
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Climate Changes and Coastal Processes2016

    • Author(s)
      Takao Yamashita
    • Organizer
      Coastal Zones 2016
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      2016-05-16
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Projection and historical analysis of hydrologic circulation in Myanmar2015

    • Author(s)
      山下隆男
    • Organizer
      AOGS 12th Annual Meeting
    • Place of Presentation
      シンガポール
    • Year and Date
      2015-08-02 – 2015-08-07
    • Related Report
      2014 Research-status Report
  • [Presentation] Projection and historical analysis of hydrologic circulation in Myanmar2015

    • Author(s)
      Takao Yamashita
    • Organizer
      AOGS 12th Annual Meeting
    • Place of Presentation
      Singapore
    • Year and Date
      2015-08-02
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 八代海数値シミュレーションモデルの構築2015

    • Author(s)
      山下隆男
    • Organizer
      シンポジュウム「八代海の再生をめざして」
    • Place of Presentation
      熊本大学工学部百周年記念会館
    • Year and Date
      2015-01-24
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] Regional Environment Simulator and Its Applications to Environmental Assessment in Estuary with Consideration of Climate Changes2013

    • Author(s)
      Takao Yamashita
    • Organizer
      The Second International Conference on Sustainable Infrastructure and Built Environment (SIBE-2013)
    • Place of Presentation
      Bandung,Indonesia
    • Related Report
      2013 Research-status Report
    • Invited
  • [Presentation] Near-Term Perspective of Ocen Climate Changes in Indonesia for Tropical Coastal Engineering2013

    • Author(s)
      Takao Yamashita
    • Organizer
      Asian and Pasific Coasts 2013(APAC2013)
    • Place of Presentation
      Bali, Indonesia
    • Related Report
      2013 Research-status Report
  • [Book] Sustainable Houses and Living in the Hot-Humid Climates of Asia2016

    • Author(s)
      PartVII, Chapter 54 by Takao Yamashita (editors: Tetsu Kubota,Hom B. Rijal ,Hiroto Takaguchi)
    • Total Pages
      400
    • Publisher
      Springer
    • Related Report
      2015 Annual Research Report

URL: 

Published: 2014-07-25   Modified: 2019-07-29  

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