Aggregation generic tables noise zones type A index Ln in Héault
Description
Aggregation of generic tables describing the Noise Zones for all terrestrial infrastructure, map type A and Ln index.
‘Type a’ exposure cards:
maps to be made within the framework of the CBS pursuant to Article 3-II-1°-a of the Decree of 24 March 2006. This is a dataset representing for the year of mapping:
— areas exposed to more than 50 dB(A) in Ln
They represent the isophone curves of 5 in 5 dB(A).
LN
noise level indicator for the night period (22h-6h).
Aggregation obtained by the QGIS MIZOGEO plugin made available by CEREMA.
Data source by infrastructure: CEREMA
Resources
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Tags
- bruit
- données-ouvertes
- hérault