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Ocean long wave monitoring system and hazard map related to the occurrence of secondary undulation in the western coast of Southern Kyushu

Research Project

Project/Area Number 18H01684
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 25030:Disaster prevention engineering-related
Research InstitutionKagoshima University

Principal Investigator

Yamashiro Toru  鹿児島大学, 理工学域工学系, 教授 (20158174)

Co-Investigator(Kenkyū-buntansha) 加古 真一郎  鹿児島大学, 理工学域工学系, 准教授 (60709624)
齋田 倫範  鹿児島大学, 理工学域工学系, 准教授 (80432863)
Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2021: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2020: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2019: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2018: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Keywords副振動 / 海洋長波 / 自動監視システム / 小島漁港 / 枕崎漁港 / ハザードマップ / 上甑島浦内湾 / 氾濫計算 / 監視システム / 南九州西岸地域 / 監視網システム / 氾濫モデル / 発生予測 / 副振動・海洋長波監視システム / 海洋長波監視システム
Outline of Final Research Achievements

In this study, it was suggested that the occurrence of large secondary undulation at Oshima fishing port and Makurazaki fishing port in Kagoshima prefecture can be predicted with almost 50% accuracy by monitoring ocean long waves in Meshima Island, Nagasaki prefecture. We were also able to complete a prototype model that can monitor the secondary undulation and long ocean waves in real time.
It was possible to identify the flooded areas of houses and roads when a large secondary undulation occurrs in Urauchi Bay of Kamikoshiki Island at the time of high tide. Furthermore, we clarified the evacuation place of small boats when the secondary undulation occurrs and the suitable place for the installation of the tuna farming cage because the influence of the seiche is small.

Academic Significance and Societal Importance of the Research Achievements

副振動は周期数分から数10分の海水面の上下動であり、南九州西岸域では冬から春先にかけて頻繁に発生する。そして、波高が2mを超えるような大きな副振動は、発生時期によっては家屋浸水や道路冠水、小型船舶の転覆、養殖生簀破損と養殖魚の逃げ出し等の被害を及ぼす。本研究成果として小島漁港と枕崎漁港における大きな副振動の発生予測の実現性を明らかにできたことや、上甑島浦内湾の副振動ハザードマップに資するデータを作成できたことは、漁港利用者の船舶、積み荷等の財産、マグロ養殖の生産活動を副振動災害から防ぎ、安心・安全な地域づくりに貢献するという点で社会的な意義が深いと言える。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (8 results)

All 2021 2020 2019

All Journal Article (5 results) (of which Peer Reviewed: 5 results,  Open Access: 5 results) Presentation (3 results)

  • [Journal Article] FIELD OBSERVATIONS OF SECONDARY UNDULATIONS AND OCEAN LONG WAVES IN THE WEST COAST OF SOUTHERN KYUSHU2021

    • Author(s)
      山城 徹, 鎌田 真希, 齋田 倫範, 城本 一義, 吉野 広大, 中村 大志
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)

      Volume: 77 Issue: 2 Pages: I_757-I_762

    • DOI

      10.2208/jscejoe.77.2_I_757

    • NAID

      130008094267

    • ISSN
      2185-4688
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The Relation between Propagation Paths of Barometric Waves over the East China Sea and Sea-Level Fluctuations off the West Coast of Kyushu, Japan.2020

    • Author(s)
      T. Saita, T. Yamashiro
    • Journal Title

      Proceedings of the 22nd IAHR-APD Congress 2020

      Volume: -

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] SEA LEVEL OBSERVATIONS OFF WEST OF KYUSHU IN WINTER 2019 FOR CONSTRUCTION OF A MONITORING NETWORK OF OCEAN LONG WAVES2020

    • Author(s)
      山城徹, 齋田倫範, 中村大志, 鶴田拓也, 城本一義, 吉野広大
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)

      Volume: 76 Issue: 2 Pages: I_61-I_66

    • DOI

      10.2208/kaigan.76.2_I_61

    • NAID

      130007935942

    • ISSN
      1883-8944, 1884-2399
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] FIELD OBSERVATIONS OF OCEAN LONG WAVES OFF WEST OF KYUSHU2019

    • Author(s)
      山城 徹,深田 茉子,齋田 倫範,浅野 敏之,城本 一義
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)

      Volume: 75 Issue: 2 Pages: I_169-I_174

    • DOI

      10.2208/kaigan.75.I_169

    • NAID

      130007730187

    • ISSN
      1883-8944, 1884-2399
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] RELATIONSHIP BETWEEN LOW-FREQUENCY WATER LEVEL VARIATION IN IMAZU TIDAL FLAT AND CHARACTERISTICS OF SECONDARY UNDULATION IN HAKATA BAY2019

    • Author(s)
      齋田倫範,澤井拓朗,田井明,橋本彰博
    • Journal Title

      Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)

      Volume: 75 Issue: 2 Pages: I_157-I_162

    • DOI

      10.2208/kaigan.75.I_157

    • NAID

      130007730230

    • ISSN
      1883-8944, 1884-2399
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] 南九州西岸域における副振動と海洋長波の現地観測2021

    • Author(s)
      山城 徹,鎌田真希,齋田倫範,城本一義,吉野広大,中村大志
    • Organizer
      第46回海洋開発シンポジウム
    • Related Report
      2021 Annual Research Report
  • [Presentation] 海洋長波の監視網構築に向けた九州西方海域での水位の現地観測2019

    • Author(s)
      山城 徹,深田 茉子,齋田 倫範,浅野 敏之,城本 一義
    • Organizer
      第66回海岸工学講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 今津干潟における長周期水位変動と博多湾の振動特性の関係2019

    • Author(s)
      齋田倫範,澤井拓朗,田井明,橋本彰博
    • Organizer
      第66回海岸工学講演会
    • Related Report
      2019 Annual Research Report

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Published: 2018-04-23   Modified: 2023-01-30  

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