Road noise exposure distribution of an average-sized European city

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Scope

What is the shape of the exposure distribution for road noise in an average-sized European city?

Motivation: Most administrative noise mappings carried out in EU ignore exposures below 55 dB L_DEN and 50 dB L_night. However, annoyance and sleep disturbance is already elicited at levels down to ~45 dB L_DEN and down to 40 dB L_night. Thus, for the purpose of health impact assessment, knowledge is needed on the shape of the entire exposure distribution, including the low-exposure regime.

However, the definition of "average-sized" (city) is somewhat ambiguous. Further, the diversity of cities results in a large variation in their exposure distributions, augmented by the plurality of noise mapping methods and noise metrics. Therefore, for the purpose of this variable, example distributions from a few "representative" cities from different parts of Europe should be compiled, to provide a first overview of the diversity in distributions accross cities.

Definition

Data

TBA, exposure distributions of:

• FI / Helsinki (Urbis-modelled)
• NL / Amsterdam (Urbis-modelled)
• S / Burlöv
• 4 sample cities analyzed in the Milieu-TNO-RPA report

Dependencies

• identity of the particular city
• input data (including model parameters) used for noise mapping
• methodology (emission-propagation models, software implementation) used for noise mapping

Unit

% of the population vs category of the noise metric (various)

Formula

None.

Result

If possible, a numerical expression or distribution.

See also

Links to relevant information that does not belong to Definition.

References

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Related files

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Road noise exposure distribution of an average-sized European city. Opasnet . [1]. Accessed 18 May 2024.