Carte du bruit ferroviaire (LDEN)

Carte de l'environnement sonore ferroviaire (en dB(A)) calculée pour une exposition 24h.

Lden (Level day-evening-night) correspond au bruit moyen pondéré au cours des 24h, avec un poids plus fort en soirée et la nuit.

Data and Resources

Additional Info

Field Value
Source https://toulousemetropole.data4citizen.com/visualisation/information/?id=isoph-fer-lden
Last Updated April 14, 2026, 14:34 (UTC)
Created March 27, 2026, 13:37 (UTC)
FTP_API hub
Modified 2025-06-16T14:59:28.790000+00:00
bbox-east-long 1.4238855821994687
bbox-north-lat 43.664190474947404
bbox-south-lat 43.647534309323184
bbox-west-long 1.4144208914972178
dataset_size 14.86574649810791
date_moissonnage_creation 2025-03-31T07:51:15+00:00
date_moissonnage_last_modification 2025-06-16T14:59:28.790000+00:00
edition_security {"roles":["administrator"],"users":["*99*","*1*"]}
encoding UTF-8
features analyze,geo,api,table,map_data
nb_views 00000001
records_count {"dfc4dc1e-ca71-46bd-867f-c3d622de5ad4":"0000000006"}
source-harvest https://observatoire-climat.toulouse-metropole.fr//explore/dataset/isoph-fer-lden/
spatial {"type":"Polygon","coordinates":[[[1.4144208914972178,43.647534309323184],[1.4238855821994687,43.647534309323184],[1.4238855821994687,43.664190474947404],[1.4144208914972178,43.664190474947404],[1.4144208914972178,43.647534309323184]]]}
themes ["securite_et_risques"]