Assessing environmental impacts of offshore wind farms

lessons learned and recommendations for the future.

Helen Bailey, Kate L. Brookes, Paul M. Thompson

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Offshore wind power provides a valuable source of renewable energy that can help reduce carbon emissions. Technological advances are allowing higher capacity turbines to be installed and in deeper water, but there is still much that is unknown about the effects on the environment. Here we describe the lessons learned based on the recent literature and our experience with assessing impacts of offshore wind developments on marine mammals and seabirds, and make recommendations for future monitoring and assessment as interest in offshore wind energy grows around the world. The four key lessons learned that we discuss are: 1) Identifying the area over which biological effects may occur to inform baseline data collection and determining the connectivity between key populations and proposed wind energy sites, 2) The need to put impacts into a population level context to determine whether they are biologically significant, 3) Measuring responses to wind farm construction and operation to determine disturbance effects and avoidance responses, and 4) Learn from other industries to inform risk assessments and the effectiveness of mitigation measures. As the number and size of offshore wind developments increases, there will be a growing need to consider the population level consequences and cumulative impacts of these activities on marine species. Strategically targeted data collection and modeling aimed at answering questions for the consenting process will also allow regulators to make decisions based on the best available information, and achieve a balance between climate change targets and environmental legislation.
Original languageEnglish
Pages (from-to)1-13
Number of pages13
JournalAquatic Biosystems
Volume10
Issue number8
DOIs
Publication statusPublished - 14 Sep 2014

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wind power
wind farm
environmental impact
turbines
environmental law
marine mammals
renewable energy sources
seabirds
energy
risk assessment
environmental legislation
marine mammal
carbon emission
seabird
climate change
turbine
industry
connectivity
deep water
monitoring

Keywords

  • Marine mammals
  • Seabirds
  • Wind turbine
  • Underwater noise
  • Collision risk
  • Human impacts
  • Cumulative impact assessment
  • Population consequences

Cite this

Assessing environmental impacts of offshore wind farms : lessons learned and recommendations for the future. / Bailey, Helen; Brookes, Kate L.; Thompson, Paul M.

In: Aquatic Biosystems, Vol. 10, No. 8, 14.09.2014, p. 1-13.

Research output: Contribution to journalArticle

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