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Resource Documents by Persson Waye, Kerstin

Smith, Michael; Ögren, Mikael; Thorsson, Pontus; Hussain-Alkhateeb, Laith; Pedersen, Eja; Forssén, Jens; Ageborg Morsing, Julia; and Persson Waye, Kerstin
Laboratory study on the effects of wind turbine noise on sleep: results of the polysomnographic WiTNES study 
Abstract Study Objectives: Assess the physiologic and self-reported effects of wind turbine noise (WTN) on sleep. Methods: Laboratory sleep study (n = 50 participants: n = 24 living close to wind turbines and n = 26 as a reference group) using polysomnography, electrocardiography, salivary cortisol, and questionnaire endpoints. Three consecutive nights (23:00–07:00): one habituation followed by a randomized quiet Control and an intervention night with synthesized 32 dB LAEq WTN. Noise in WTN nights simulated closed and ajar windows and . . . Complete article »

Ageborg Morsing, Julia; Smith, Michael; Ögren, Mikael; Thorsson, Pontus; Pedersen, Eja; Forssén, Jens; and Persson Waye, Kerstin
Wind Turbine Noise and Sleep: Pilot Studies on the Influence of Noise Characteristics 
Abstract: The number of onshore wind turbines in Europe has greatly increased over recent years, a trend which can be expected to continue. However, the effects of wind turbine noise on long-term health outcomes for residents living near wind farms is largely unknown, although sleep disturbance may be a cause for particular concern. Presented here are two pilot studies with the aim of examining the acoustical properties of wind turbine noise that might be of special relevance regarding effects on . . . Complete article »

Thorsson, Pontus; Persson Waye, Kerstin; Smith, Michael; Ögren, Mikael; Pedersen, Eja; and Forssén Jens
Low-frequency outdoor–indoor noise level difference for wind turbine assessment 
Abstract: To increase the understanding of wind turbine noise on sleep, human physiological reactions need to be studied in a controlled laboratory setting. The paper presents an outdoor–indoor noise level difference as a function of frequency, applicable to creating wind turbine indoor sounds with the outdoor sounds as input. For this, a combination of measurement data and modeling results has been used. The suggested data are provided in a table. Pontus Thorsson, Division of Applied Acoustics, Chalmers University of Technology . . . Complete article »

Smith, Michael; Ögren, Mikael; Thorsson, Pontus; Hussain-Alkhateeb, Laith; Pedersen, Eja; Forssén, Jens; Ageborg Morsing, Julia; and Persson Waye, Kerstin
Wind Turbine Noise Effects on Sleep: The WiTNES study 
ABSTRACT — Onshore wind turbines are becoming increasingly widespread globally, with the associated net effect that a greater number of people will be exposed to wind turbine noise (WTN). Sleep disturbance by WTN has been suggested to be of particular importance with regards to a potential impact on human health. Within the Wind Turbine Noise Effects on Sleep (WiTNES) project, we have experimentally investigated the physiological effects of night time WTN on sleep using polysomnography and self-reporting protocols. Fifty participants . . . Complete article »

Smith, Michael; Ögren, Mikael; Thorsson, Pontus; Pedersen, Eja; and Persson Waye, Kerstin
Physiological effects of wind turbine noise on sleep 
Abstract: In accordance with the EU energy policy, wind turbines are becoming increasingly widespread throughout Europe, and this trend is expected to continue globally. More people will consequently live close to wind turbines in the future, and hence may be exposed to wind farm noise. Of particular concern is the potential for nocturnal noise to contribute towards sleep disturbance of nearby residents. To examine the issue, we are implementing a project titled Wind Turbine Noise Effects on Sleep (WiTNES). In . . . Complete article »

Pedersen, Steffen; Møller, Henrik; and Persson Waye, Kerstin
Indoor Measurements of Noise at Low Frequencies – Problems and Solutions 
ABSTRACT: Due to standing waves, the sound pressure level within a room may vary as much as 20-30 dB at low frequencies. Principal properties of low-frequency sound in rooms are illustrated by simulations, and sound pressure distributions as well as the performance of Swedish and Danish measurement methods are studied by measurements in three rooms. For assessment of annoyance, mainly areas of the room with high sound pressure levels are of interest, since persons present in such areas are not . . . Complete article »

Pedersen, Eja; Forssén, Jens; and Persson Waye, Kerstin
Human perception of sound from wind turbines 
Summary The erection of wind turbines is preceded by an environmental assessment of the impact of wind turbines on people living nearby. One impact to be assessed is sound. It is thus important to have scientifically based knowledge of how wind turbine sound will be perceived in order to ensure that this sound does not adversely affect the health of residents in the area. This report presents an analysis of the results from two previous field studies investigating the relation . . . Complete article »

Pedersen, Eja; and Persson Waye, Kerstin
Wind turbines — low level noise sources interfering with restoration? 
Abstract: Wind turbines generate a low level noise and would thus not be expected to cause annoyance and disturb rest. In a society where people are being exposed to an increasing noise load, moderate and low level noise sources may also be perceived as annoying and hence inhibit restoration. This article presents an analysis of two socio-acoustic studies of wind turbine noise with the emphasis on perception, annoyance and consequences for restoration. It is hypothesized that low and moderate stressors . . . Complete article »

Persson Waye, Kerstin; Clow, Angela; Edwards, Sue; Hucklebridge, Frank; and Rylander, Ragnar
Effects of nighttime low-frequency noise on the cortisol response to awakening and subjective sleep quality 
Abstract: The effects of night-time exposure to traffic noise (TN) or low frequency noise (LFN) on the cortisol awakening response and subjective sleep quality were determined. Twelve male subjects slept for five consecutive nights in a noise-sleep laboratory. After one night of acclimatisation and one reference night, subjects were exposed to either TN (35dB LAeq, 50dB LAmax) or LFN (40dB LAeq) on alternating nights (with an additional reference night in between). Salivary free cortisol concentration was determined in saliva samples . . . Complete article »

Pedersen, Eja; and Persson Waye, Kerstin
Perception of wind turbine noise: two papers from Sweden 
Wind turbine noise, annoyance and self-reported health and well-being in different living environments. Pedersen E, Persson Waye K., Occupational and Environmental Medicine, Sahlgrenska Academy, Göteborg University, Göteborg, Sweden. eja.pedersen@set.hh.se Occup Environ Med. 2007 Jul;64(7):480-6. OBJECTIVES: To evaluate the prevalence of perception and annoyance due to wind turbine noise among people living near the turbines, and to study relations between noise and perception/annoyance, with focus on differences between living environments. METHODS: A cross-sectional study was carried out in seven areas in . . . Complete article »

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