Industrial noise — Exposed areas, over 24 hours (Lden indicator)
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Dataset information
Country of origin
Updated
2023.02.02 10:17
Created
2023.02.02
Available languages
French
Keywords
industrie, bruit, environnement
Datasource
Quality scoring
155
Dataset description
**Strategic Noise Mapping**
Data produced by Impédance ingénierie on behalf of the metropolis Aix-Marseille Provence
The symbology associated with the noise map is available in the attached section, in QGIS format **
**
Industrial noise according to the Lden indicator for type A maps on the Aix-Marseille Provence metropolis.
Results of calculations of acoustic modelling.
The Type A map locates noise-exposed areas.
The Lden indicator (for Level day-evening-night) represents the weighted average noise level during the day by giving a stronger weight to the noise produced in the evening (18-22h) (+ 5 dB(A)) and overnight (22h-6h) (+ 10 dB(A)) to take into account the increased sensitivity of individuals to noise during these two periods.
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