Offshore wind farms should generate power in an environmentally friendly manner, but the noise produced under water during their construction poses a serious threat to marine life. To counter that, the installation of foundation piles is now subject to strict rules, which cause construction delays. Civil engineer Apostolos Tsouvalas has analysed the noise and developed a predictive computer model for the construction industry. Drawing on findings by marine biologists, he has also presented a proposal to create “curtains” of air around the piles to dampen the noise.


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