data download service (WFS) from: Meeting- Strategic Noise Map: BD Mazagran map type ALn

— type A card in Ln:
areas exposed to + 50 dB(A) with isophone curves
from 5 to 5 dB(A):]50;55],]55,60],]60,65],]65,70],]>70]

— LN:
weighted noise discomfort index for the night period, i.e. (22h-6h)

— dB(A):
unit of measurement expressing a weighted (decibel) intensity level

depending on the physiological characteristics of the human ear.

Sources:
cee Méd2009

C_departments

C_StDenis

C_DDI_LN_60_Dept974_V5_finite

C_DDI_LN_50_Dept974_V5_finite

C_COMMUNE_cartelie

C_StDenis_ Tags

C_nationals

C_Mazagran_Location

C_DDI_LN_55_Dept974_V5_finite

C_DDI_LN_65_Dept974_V5_finite