Uncategorized

South Australia study finds infrasound from wind farms not a concern

South Australia study finds infrasound from wind farms not a concern

The Environment Protection Authority of the state of South Australia has released a new study comparing infrasound from wind farms–one of the favorite bugaboos of anti-wind groups–with that from other everyday sources. The research effort concluded that wind turbine infrasound is “insignificant in comparison with the background level of infrasound in the environment.”

The study, performed by consulting firm Resonate Acoustics, took measurements over a period of approximately one week at seven locations in urban areas and four locations in rural areas, including two residences approximately 1.5 kilometers (0.9 miles) away from the wind turbines.

The Climate Spectator website has an excellent summary, titled “Cause of wind turbine syndrome goes missing.” In addition, here are a few choice quotes from the study itself:

Under “Urban Environments”:

“Noise generated by people and associated activities within a space was one of the most significant contributors to measured infrasound levels, with measured infrasound levels typically 10 to 15dB(G) higher when a space was occupied. Infrasound levels up to approximately 70dB(G) were measured in occupied spaces.”

“At two locations, the EPA offices and an office with a low frequency noise complaint, building air conditioning systems were identified as significant sources of infrasound. These locations exhibited some of the highest levels of infrasound measured during the study.”

Under “Rural Environments”:

“Infrasound levels at houses adjacent to wind farms (Locations 8 and 9) are no higher than those at houses located a considerable distance from wind farms (Locations 10 and 11). For example, the outdoor infrasound levels at Location 8 are significantly lower than those at Location 11, despite the house being located much closer to operational wind turbines (1.5 kilometres compared to 30 kilometres).”

“Infrasound levels in the rural environment appear to be controlled by localised wind conditions. During low wind periods, levels as low as 40dB(G) were measured at locations both near to and away from wind turbines. At higher wind speeds, infrasound levels of 50 to 70dB(G) were common at both wind farm and non-wind farm sites.”

“Organised shutdowns of the wind farms adjacent to Location 8 and Location 9 indicate that there did not appear to be any noticeable contribution from the wind farm to the G-weighted infrasound level measured at either house. This suggests that wind turbines are not a significant source of infrasound at houses located approximately 1.5 kilometres away from wind farm sites.”

Under “Summary of results”:

“This study concludes that the level of infrasound at houses near the wind turbines assessed is no greater than that experienced in other urban and rural environments, and that the contribution of wind turbines to the measured infrasound levels is insignificant in comparison with the background level of infrasound in the environment.”

Related articles:

Science proves that wind energy is safe for Wisconsin, January 9, 2013
Ontario tribunal turns down anti-wind appeal, December 26, 2012
Reason trumps fear in Australian debate on wind energy and sound
, December 5, 2012
Nissenbaum paper on turbine sound recycles claims on wind energy and health already found inadequate by courts and expert panel
, November 16, 2012
Negative oriented personality traits and wind turbine sound
, November 2, 2012
Quality of research on wind farms published in the Bulletin of Science, Technology and Society
, September 25, 2012
'Say No to Wind Turbines'–and Yes to ?
, July 25, 2012
Fact check: On turbine sound, it's Bryce vs. science
, July 24, 2012
Wind turbines not a threat to human health, another study finds
, May 31, 2012

Opinion: Wind turbines are good for our health, March 2, 2012

Review of wind turbine sound studies gives debate needed balance, February 28, 2012

Anti-wind-farm “astroturfers” in Australia, February 27, 2012

NBC4's 'iReporter' lacks context on wind turbine sound, February 14, 2012

Fact check: Bryce misleads again on land, sound, resource use, January 31, 2012

Massachusetts clears wind of health effects after independent experts review evidence, January 20, 2012
Opinion: Dr. W. David Colby: Turbines and health
, December 2, 2011
Canadian researchers: No direct link between wind turbines and adverse health impacts
, November 29, 2011
Wind power: A quiet solution to climate change
, June 27, 2011
Sierra Club Canada 1.1: Time to confront anti-wind fear campaign
, June 15, 2011
Environmental Defence (Canada): 'No basis' for health impact claims
, June 6, 2011
Sierra Club Canada: Time to confront anti-wind disinformation campaign
, June 3, 2011
WHO guidelines on sound are … guidelines
, March 28, 2011
Scientists, doctor weigh on wind and health
, November 30, 2010
Wind Turbines and Health
, fact sheet
Maine physician: distortion in anti-wind health claims
, November 3, 2010
Australian health agency: Turbine sound has no health effect
, July 6, 2010
UK report debunks wind turbine syndrome
, June 9, 2010
Wind gets clean bill of health from Ontario
, May 20, 2010
Expert panel concludes wind turbine sounds not harmful to human health
, December 15, 2009

 

Uncategorized

More in Uncategorized

Into the Wind provides the latest news and expert opinion from the American Wind Energy Association (AWEA).

1501 M Street, NW, Suite 900 | Washington, DC 20005

Phone: 202.383.2500 | Fax: 202.383.2505

Sitemap | Privacy | Terms of Use

Copyright 2020 American Wind Energy Association. All Rights Reserved.