海洋開発論文集
Online ISSN : 1884-8265
Print ISSN : 0912-7348
ISSN-L : 0912-7348
洋上風力発電施設の水生環境調査
北海道瀬棚町を事例として
宍戸 達行三好 宏昌島田 克也柴垣 太郎隅田 耕二堂端 重雄
著者情報
ジャーナル フリー

2005 年 21 巻 p. 1053-1058

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This research attempted to understand the characteristics of offshore wind farm's sound pressure level and the impact that offshore wind farm's foundation works on aquatic community. The method was survey on the sound pressure level and frequency analysis, and survey on aquatic community. The results are summarized as below:
i. The wind speed was 0-10 m/s and underwater sound pressure level was 109-140 dB.
ii. Underwater sound pressure level's frequency was 6-10 Hz, in strong winds. This frequency is a strong resemblance to wave disturbance. So, this is attributed to the fact that wave disturbance was made by strong wind and breakwater.
iii. The species number of fish community did not show any difference between 2003 and 2004, while individual number increased in 2004.
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