data consultation service (WMS) from: Meeting- Strategic Noise Map: BD Mazagran map type A Lden

— type A card in Lden: areas exposed to + 55 dB(A) with curves isophones from 5 to 5 dB(A):]55;60],]60,65],]65,70],]70,75],]>75]

— Lden:
noise discomfort index weighted by different periods one day, i.e.:
day/day:
6am-18h
evening/evening: 18h-22h

night/night:
10h-6h

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

weighted according to the physiological characteristics of the human ear.

Sources:
CE Med2009 + IGN bdCarto

c_DDI_LD_75_Dept974_V5_finite

C_departments

c_DDI_LD_55_Dept974_V5_finite

C_COMMUNE_cartelie

C_StDenis

c_DDI_LD_60_Dept974_V5_finite

c_DDI_LD_65_Dept974_V5_finite

C_nationals

C_Mazagran_Location

c_DDI_LD_70_Dept974_V5_finite

C_StDenis_ Tags