data download service (WFS) from: Road noise map of St Pierre: BD Bank -ALden

— 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_55_Dept974_V9_finite c_DDI_LD_70_Dept974_V9_finite C_COMMUNE_cartelie c_DDI_LD_60_Dept974_V9_finite c_DDI_LD_75_Dept974_V9_finite C_nationals C_StPierre C_departments c_DDI_LD_65_Dept974_V9_finite C_Bank_Location C_StPierre_Labels