Title
Comparison of noise impact indicators, calculated on the basis of noise maps of DENL
Author
Borst, H.C.
Miedema, H.M.E.
TNO Bouw en Ondergrond
Publication year
2005
Abstract
In this paper, the following four indicators describing noise annoyance in a community are considered: the percentage of people being highly annoyed (pHA), annoyed (pA), (at least) little annoyed (p LA), and the mean of the expected individual annoyance scores (m EA) in the population concerned. These indicators are calculated for a study population on the basis of maps of the noise measure DENL, using DENL-annoyance relationships. An approach is described for comparing the effect of noise reduction, using the above mentioned noise annoyance indicators. For the municipality of Leiden, the Netherlands, the results from applying this approach indicate that the calculated efficacy of a given noise abatement policy depends to some extent on the noise annoyance indicator that is used. A lower limit of 55 dB for the noise calculations has been suggested by the EU Directive on environmental noise. This leads to a large underestimation of the noise annoyance indicators and may affect priority setting regarding noise abatement. Beside the four noise annoyance measures, two other noise quality indicators are considered: the percentage of people being highly sleep disturbed (p HS) and (AREA50) - the percentage area where DENL exceeds 50 dB. The results for Leiden show that each of these two indicators put more focus on noise from motorways than the other noise indicators considered. © S. Hirzel Verlag.
Subject
Urban Development
Acoustics and Audiology
Built Environment
Cost effectiveness
Environmental impact
Laws and legislation
Mathematical models
Motor transportation
Noise abatement
Roads and streets
Noise annoyance
Noise indicators
Noise policy
Road segments
Noise pollution
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TNO identifier
238363
ISSN
1610-1928
Source
Acta Acustica united with Acustica, 91 (2), 378-385
Document type
article