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Development of new calibration method for low frequency underwater sounds

Research Project

Project/Area Number 16K14518
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Naval and maritime engineering
Research InstitutionThe Sasakawa Peace Foundation (2019)
Fisheries Research and Education Agency (2016-2018)

Principal Investigator

AKAMATSU TOMONARI  公益財団法人笹川平和財団, 海洋政策研究所 海洋政策研究部, 上席研究員 (00344333)

Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords水中音響 / 騒音影響評価 / 感度校正 / 鯨類 / イルカ / 環境アセスメント / 洋上風力 / 再生可能エネルギー / 水中生物音響 / エアガン / 洋上風力発電 / 水中音響伝搬 / クジラ / 魚類 / アイスランド / 校正 / 騒音影響 / 資源探査 / 船舶騒音 / 音響校正 / 低周波音
Outline of Final Research Achievements

A new calibration method for underwater low frequency sound was proposed that has not been possible without large floating pen and funding before. This calibration method conducted in calm lake provided accurate sensitivity value within 1 dB comparing with that measured at underwater calibration facility. We compared non-calibrated hydrophones produced in US, New Zealand, and Japan, and found sound receiving characteristics for each.

Academic Significance and Societal Importance of the Research Achievements

この技術は、洋上風力発電をはじめとする再生可能エネルギー開発と漁業との共存や、国際海事機関で議論が進む船舶騒音規制における科学的なデータ取得に貢献すると考えられる。また、海底鉱物資源探査で今後の活用が見込まれる狭帯域低周波音源の校正が容易になる。低周波で影響を受けると考えられる魚類や大型ヒゲクジラへの音暴露評価に、開発技術が役立てられはじめた。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (6 results)

All 2019 2018 2017 Other

All Int'l Joint Research (1 results) Presentation (2 results) (of which Int'l Joint Research: 2 results) Book (1 results) Funded Workshop (2 results)

  • [Int'l Joint Research] Marianne Rasmussen(アイスランド)

    • Related Report
      2018 Research-status Report
  • [Presentation] Underwater noise impact assessment; a proposed guide line2019

    • Author(s)
      Tomonari Akamatsu
    • Organizer
      The Thirteen Annual Meeting of Asian Fisheries Acoustics Society
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] A simple low frequency calibration method of autonomous recorders in a very quiet lake2017

    • Author(s)
      Tomonari Akamatsu, Ryuzo Takahashi, and Tomohito Imaizumi
    • Organizer
      Asian Fisheries Acoustics Society
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Book] 水中生物音響学 : 声で探る行動と生態2019

    • Author(s)
      赤松友成、木村里子、市川光太郎
    • Total Pages
      176
    • Publisher
      コロナ社
    • ISBN
      9784339013405
    • Related Report
      2018 Research-status Report
  • [Funded Workshop] 海洋サウンドスケープの計測と応用 Measurement and application of ocean soundscape2019

    • Related Report
      2019 Annual Research Report
  • [Funded Workshop] 2nd Oceanoise Asia2018

    • Related Report
      2018 Research-status Report

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Published: 2016-04-21   Modified: 2021-02-19  

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