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Resource Documents: Japan (4 items)
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Effects of Continuous Acoustic Stress on ROS Levels and Antioxidant-Related Gene Expression in the Black Porgy (Acanthopagrus schlegelii)
Author: Chang, Hao-Yi; Lin, Tzu-Hao; Anraku, Kazuhiko; and Shao, Yi Ta
Abstract Short-term exposure to strong underwater noise is known to seriously impact fish. However, the chronic physiological effects of continuous exposure to weak noise, i.e. the operation noise from offshore wind farms (OWF), remain unclear. Since more and more OWF will be built in the near future, their operation noise is an emerging ecological issue. To investigate the long-term physiological effects of such underwater noise on fish, black porgies (Acanthopagrus schlegelii) were exposed to two types of simulated wind farm . . .
More »Epidemiological study on long-term health effects of low-frequency noise produced by wind power stations in Japan
Author: Ishitake, Tatsuya; Norimatsu, Yoshitaka; and Hara, Kunio
ABSTRACT— We investigated whether long-term exposure to wind turbine noise (WTN) including low-frequency noise generated by wind power facilities is a risk factor of sleep disorders. We performed an epidemiological study of living environment and health effects, surveying 9,000 residents (≥20 years) living in areas with operational wind power facilities. Sleep disorders were assessed using the Athens Insomnia Scale (AIS). To assess environmental noise in residential areas near the wind turbines, low-frequency sound exposure levels were measured at 50 community . . .
More »Measurement of infrasound generated by wind turbine generator
Author: Sugimoto, Takanao; Koyama, Kenji; Kurihara, Yosuke; and Watanabe, Kajiro
Abstract: This paper describes the development of a new sensor which uses a condenser microphone and a new system containing it as an element. The back of the microphone is covered with a seal chamber, which expands the frequency characteristic of the microphone to the infrasonic region. In addition, a windscreen is fitted to the sensor to reduce or eliminate wind noise. We developed a measurement system with this new sensor, installed it at a wind farm, and measured infrasound. . . .
More »Exposure-response relationship of wind turbine noise with self-reported symptoms of sleep and health problems: A nationwide socioacoustic survey in Japan
Author: Kageyama, Takayuki; Yano, Takashi; Kuwano, Sonoko; Sueoka, Shinichi; and Tachibana, Hideki
Abstract: The association of wind turbine noise (WTN) with sleep and physical/mental health has not been fully investigated. To investigate the relationship of WTN with the prevalence of self-reported symptoms of sleep and health problems, a socioacoustic survey of 1079 adult residents was conducted throughout Japan (2010-2012): 747 in 34 areas surrounding wind turbine plants and 332 in 16 control areas. During face-to-face interviews, the respondents were not informed of the purpose of the survey. Questions on symptoms such as . . .
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