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Updated: Sep 10, 2025
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船舶の速度削減プログラムに関連した水中放射騒音の比較測定のための呼びかけ
Leila Hatch1, Megan McKenna2,3, Rianna Burnham4
1National Oceanic and Atmospheric Administration (NOAA) Office of National Marine Sanctuaries, 1305 East-West Highway, Silver Spring, Maryland 20910, USA.
JASA express letters
|August 20, 2025
まとめ
船舶の速度減速 (VSR) は海洋騒音の削減に不可欠です. この研究では,北米のVSRプログラムによる騒音削減の測定方法を評価し,より良い評価と持続可能な輸送のための調整を推奨しています.
科学分野:
- 海洋音響
- 海洋保全
- 海上活動
背景:
- 船舶の速度削減 (VSR) は,水中放射騒音 (URN) を軽減するための重要な戦略です.
- 地域的なVSRプログラムは,騒音削減を評価するために,しばしば水中音響モニタリングを使用します.
- 運用,経済,保全の目標がVSRの必要性を高めています.
研究 の 目的:
- 北米のVSRプログラムにおけるURN減少を測定するための現在のアプローチを評価する.
- 安定した指標,スケーラブルな方法,VSR評価のための統合的な措置に向けた進展を文書化すること.
- VSRプログラムにおける測定の比較性を改善するための推奨事項を特定する.
主な方法:
- 北米のVSRプログラムで使用されている測定方法のレビューと評価.
- URN削減のための指標,方法,統合的措置の開発の進展の文書化.
- 既存のVSRプログラムデータと方法論の分析
主要な成果:
- 北米のVSRプログラムでは,URN減少を測定するためのさまざまなアプローチがあります.
- 測定値と方法の開発は進んでいるが,標準化は欠けている.
- VSRの有効性の比較性を確保するために,より一層の調整が必要である.
結論:
- VSRプログラム間の調整が改善されることは,URN減少の比較可能な測定に不可欠です.
- 標準化された指標と方法は,VSRの評価を促進し,持続可能な船舶に寄与します.
- 強化されたVSR評価は,世界の水中騒音削減目標をサポートします.
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