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- Gidlöf-Gunnarsson, Anita, 1957, et al.
(författare)
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Good sound environment in green areas modify road-traffic noise annoyance at home
- 2009
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Ingår i: Proceedings of the 8th European Conference on Noise Control 2009 (EURONOISE 2009). - uo : Curran Associates, Inc.. ; , s. 1579-1587
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Konferensbidrag (populärvet., debatt m.m.)abstract
- There has been a growing recognition among noise researchers that natural elements and natural areas of the built environment have potentials to reduce annoyance due to traffic noise. It has been suggested that presence of vegetation (e.g., trees, bushes, grass, flowers) contributes to an aesthetically pleasing environment, which influence overall residential satisfaction and people?s perception of the noise. Other expected benefits of natural elements/areas are prevention or modification of adverse effects of work-, personal-, or environmental stress (e.g., noise) through restoration processes. Within the large TVANE-project, the present study examined the effect of green areas (park or similar at walking distance) on noise responses in residential settings (n=468) exposed to road traffic noise (LAeq,24h 45 to 65 dB). A binary multiple logistic regression analysis, with sound exposure as the prime variable assumed to predict general noise annoyance at home, indicated that presence of green areas, a closer distance to it from the subject?s home, and perceived green-area characteristics (good sound environment, high attractiveness and potentials for recreational activities) significantly lowered noise annoyance. The results suggest that the exposure-response relationship between noise and annoyance is influenced by access to nearby green areas provided that they have good environmental quality, particularly regarding the perceived sound environment
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- Gidlöf-Gunnarsson, Anita, 1957, et al.
(författare)
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Ljudlandskap för bättre hälsa. Resultat och slutsatser från ett multidisciplinärt forskningsprogram : Soundscape Support to Health. Final Report.
- 2008
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Vikten av tillgång till goda ljudlandskap för vår hälsa och vårt välbefinnande, vad som kännetecknar sådana goda ljudlandskap, hur man mäter kvalitén och hur man åstadkommer goda ljudlandskap i och kring bostäder och i rekreationsområden har varit centrala frågor för forskningsprogrammet Ljudlandskap för bättre hälsa. Genom samarbetet mellan forskare inom miljömedicin, miljöpsykologi och akustik har programmet skapat förutsättningar för bred kunskapsutveckling och framtagning av helhetslösningar som i grunden baseras på påverkan av ljud/buller på hälsa och välbefinnande. De viktigaste resultaten finns sammanfattade i denna rapport som finns att ladda ned som en pdf-fil under www.ljudlandskap.acoustics.nu
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- Gidlöf-Gunnarsson, Anita, 1957, et al.
(författare)
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Noise and general well-being in urban environments: The potential role of nearby natural areas
- 2005
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Ingår i: Proceedings from the Conference Life in the Urban Landscape, Göteborg, Chalmers 30 maj till 4 juni, 2005.
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Konferensbidrag (refereegranskat)abstract
- A growing body of literature indicates that contact with nature influence people’s health and psychological well-being both directly and by moderating processes. A questionnaire study was conducted in urban residential settings with high road-traffic noise exposure (LAeq,24h equal/higher than 60 to 68 dB). Out of 500 subjects, 367 lived in dwellings with access to a quiet side (free field LAeq,24h < 45 dB; “noise/quiet”-condition) and 133 had no access to a quiet side (“noise/noise”-condition). Previous results show that a quiet side of the dwelling influence subject’s responses to noise. The present paper examines whether nearby green natural areas further affects various aspects of general well-being in these two noise-condition groups. The results show that very good availability to nearby green areas is important for resident’s general well-being and daily behavior by reducing noise annoyances and increasing usage of spaces outdoors. In the process of planning health-promoting urban environments, it is essential to strive for lower sound levels (LAeq,24h < 60 dB), to design “noise-free” sections indoors and outdoors, as well as to provide easy access to nearby natural areas that can offer a positive sound environment, relief from environmental stress, and opportunities for rest and relaxation.
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- Gidlöf-Gunnarsson, Anita, 1957, et al.
(författare)
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Noise and well-being in urban residential environments: The potential role of perceived availability to nearby green areas
- 2007
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Ingår i: Landscape and Urban Planning. - : Elsevier BV. - 0169-2046. ; Available online 10 May 2007
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Tidskriftsartikel (refereegranskat)abstract
- A growing body of literature indicates that contact with nature influence people's health and psychological well-being both directly and by moderating processes. A questionnaire study was conducted in urban residential settings with high road-traffic noise exposure (LAeq, 24 h = 60–68 dB). Out of 500 residents, 367 lived in dwellings with access to a quiet side (LAeq, 24 h ≤ 45 dB free field value; “noise/quiet”-condition) and 133 had no access to a quiet side (“noise/noise”-condition). The present paper examines whether perceived availability to nearby green areas affects various aspects of well-being in these two noise-condition groups. For both those with and without access to a quiet side, the results show that “better” availability to nearby green areas is important for their well-being and daily behavior by reducing long-term noise annoyances and prevalence of stress-related psychosocial symptoms, and by increasing the use of spaces outdoors. In the process of planning health-promoting urban environments, it is essential to provide easy access to nearby green areas that can offer relief from environmental stress and opportunities for rest and relaxation, to strive for lower sound levels from road traffic, as well as to design “noise-free” sections indoors and outdoors.
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- Gidlöf-Gunnarsson, Anita, 1957, et al.
(författare)
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Noise annoyance and restoration in different courtyard settings: Laboratory experiments on audio-visual interactions
- 2007
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Ingår i: Proceedings of Inter Noise 2007, Istanbul 28-31 August, Paper no IN07_117 (Available on CD)..
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Konferensbidrag (refereegranskat)abstract
- Having access to restorative, natural environments in urban residential areas is important for health and wellbeing. However, previous research on restorative environments is mainly focused on the visual impression. Knowledge is needed on the interaction between the acoustic/perceived soundscape and the visual appearance in residential settings intended for restoration and recreation. The present study examines audio-visual interactions in two laboratory settings – an attractive vs. unattractive courtyard. At each courtyard setting, six sound conditions were presented in a randomised order during 4 minutes each: only sounds from road traffic at LAeq 43, 50 and 55 dB, and these traffic sound levels together with birdsong. 24 subjects (12 men, 12 women) participated in the experiment. The results indicate that visual courtyard perception, road traffic noise annoyance, perceived soundscape (e.g., soothing, stressing), emotional reactions, and possibilities to rest/relax were affected by courtyard setting, sound levels, and birdsong. For example, noise annoyance decreased with the attractive courtyard setting and presence of birdsong. However, about 35 to 50% and 75 to 90% were annoyed at 50 and 55 dB, respectively. At these sound levels, few of the participants reported that they would like to visit the courtyards, even if it was the attractive one.
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- Gidlöf-Gunnarsson, Anita, 1957, et al.
(författare)
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The effectiveness of quiet asphalt and earth berm in reducing annoyances due to road traffic noise in residential areas
- 2008
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Ingår i: Proceedings of the 9th International Congress on Noise as a Public Health Problem, 2008, Foxwoods, CT, USA: ICBEN 2008. (Available on CD)..
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Konferensbidrag (refereegranskat)abstract
- The present study examines noise annoyances before (2005) and after (2007) abatement measures in three quarters of a residential area located closed to a highly traffiked road. Sound levels year 2005 ranged between approx. LAeq24h 60 – 71 dB, 59 – 69 dB, and 58 – 66 dB in quarter A, B, and C, respectively. Type of abatement measures were application of quiet asphalt (2-Layered Porous Asphalt) (A) and 2-Layered Porous Asphalt combined with erection of an earth berm (B). In quarter C, residential buildings were located at a right angle towards the traffiked road and was therefore mainly affected by the quiet asphalt, but to a lesser degree. Traffic from a local road contributed here with noise. Sound levels in quarter A, B, and C were reduced in year 2007 by ≈ 5.5, 6.5, and 4 dB, respectively. Results indicate that quiet asphalt had no or a negative (increasing) effect on annoyances in quarter A and C, but the combination of quiet asphalt+earth berm significantly decreased annoyances in quarter B. High expectations about the effectiveness of abatement measures in creating a better sound environment indoors and outdoors may have influenced the results.
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