data consultation service (WMS) from: Strategic Noise Map 2012 (second deadline) — Map type a — Ln

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Dataset information

Country of origin
Updated
Created
2011.06.20
Available languages
French
Keywords
OGC:WMS, infoMapAccessService
Quality scoring
185

Dataset description

The strategic noise maps, in accordance with European Directive 2002/49/EC of 25 June 2002, allow for the overall assessment of exposure to noise in the environment. They allow a representation of noise levels, but also to enumerate the exposed population, quantify the nuisances, and then draw up action plans. The type “a” map locates the noise-exposed areas, using Ln isophones per step from 5 in 5 from 50 dB(A) to more than 70 dB(A). Ln (Level night) is an index of hour-weighted noise discomfort (night noise) DB(A) is a unit of measurement expressing a level of intensity (decibel) weighted according to the physiological characteristics of the human ear. Reference: prefectural Decree of 29 April 2013 MAXIMUM CONSULTATION SCALE: 1/25 000 th C_ROUTES C_L_ISOPHONES_Ln65 C_L_ISOPHONES_Ln50 C_L_ISOPHONES_Ln70 C_L_ISOPHONES_Ln60 C_L_ISOPHONES_Ln55 C_ROUTES_Labels C_DEPARTMENT C_COMMUNE C_VOIES_FERREES_Labels C_COMMUNES_IMPACTEES_A_LN C_COMMUNE_Labels C_VOIES_FERREES
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