Road noise — Exposed areas, from 22h to 6h (indicator Ln)
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Dataset information
Country of origin
Updated
2023.02.02 10:17
Created
2023.02.02
Available languages
French
Keywords
bruit, environnement, routier, ln
Datasource
Quality scoring
155
Dataset description
**Strategic Noise Mapping**
Data produced by Impédance engineering on behalf of the metropolis Aix-Marseille Provence **
**
On the map, the geographical shapes have been simplified in order to optimise the display of the layer. The entire layer, without simplifying geographical shapes, is available in SHAPE format in the Alternative Export/Exports tab.
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The symbology associated with the noise map is available in the attached section, in QGIS format.
Road noise according to the Ln 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 value of the Ln “Level night” noise index, expressed in A weighted decibels (dB(A)), represents the level of exposure to noise at night.
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