{ "culture": "en-GB", "name": "Population_exposed_NoiseRoad_Lden55", "guid": "", "catalogPath": "", "snippet": "population exposed to unhealthy noise levels (% population exposed to Lden >= 55 dB per noise source (grid 1km)) . We only consider road noise data, because contour maps for railways and aircraft inside cities are missing in many cities. IN addition road noise is the most prevalent source of noise.", "description": "", "summary": "population exposed to unhealthy noise levels (% population exposed to Lden >= 55 dB per noise source (grid 1km)) . We only consider road noise data, because contour maps for railways and aircraft inside cities are missing in many cities. IN addition road noise is the most prevalent source of noise.", "title": "Population_exposed_NoiseRoad_Lden55", "tags": [], "type": "Image Service", "typeKeywords": [ "Data", "Service", "Image Service", "ArcGIS Server" ], "thumbnail": "", "url": "", "minScale": 0, "maxScale": 0, "spatialReference": "", "accessInformation": "", "licenseInfo": "" }