Areas exposed to noise from the municipal roads of Niort over 24 hours (Lden) in Deux-Sèvres

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Dataset information

Country of origin
Updated
2020.03.01 06:39
Created
2017.02.23
Available languages
French
Keywords
nuisance-bruit, donnees-ouvertes, passerelle-inspire, transportation
Quality scoring
195

Dataset description

The European Directive on Strategic Noise Maps requires at least the representation of global noise indicators Lden and Ln, for each source. These indicators correspond to the incident noise on the facades. The indicators represented are expressed in dB(A) and reflect a notion of overall discomfort or health risk. The data in this dataset are related to Lden indicator. “Lden” is an indicator of the overall noise level during a day (day, evening and night) used to qualify the discomfort related to noise; exposure to noise. It is calculated from the indicators “Lday”, “Levening”, “Lnight”, averaged noise levels over the periods 6h-18h, 18h-22h and 22h-6h. It is more precisely the isophone curves plotted by step of 5 dB(A) starting at 55 dB(A) over a whole day. The communal roads mainly concerned are Rue Pied de Fond, l'Avenue Louis Pasteur, Boulevard de l'Atlantique, l'Avenue Saint-Jean d'Angély, rue de la Gare, rue de Souché and Rue du Maréchal Leclerc in Niort Articles L572-1 to 11 of the Code de l' Environment laying down various provisions of; adaptation to Community law in the field of the Environment and the texts of #x27; Applications (Decree No 2006-361 of 24 March 2006, Decree of 4 April 2006 and Circular of 7 June 2007 on the issue of noise maps and noise prevention plans in the field of environment) provide for the indicators, methods of calculation to be used and results I'm waiting. The data for this lot have been collected in accordance with these texts. __Origin__ The boundaries of a zone d’#x27;aira are represented on the map of hazards according to the level of l'random. In other words, polygon objects representing zones d'random form a partial coverage of the studied area of which each cover element is a closed polygon in which hazards have the same level of ' intensity. In other words, the criterion for cutting the zones d'random is the level of l'random. __Partner organisations__ DDT Deux-Sèvres __Links annexes__ * [XML metadata view](http://ogc.geo-ide.developpement-durable.gouv.fr/csw/all-dataset?REQUEST=GetRecordById&SERVICE=CSW&VERSION=2.0.2&RESULTTYPE=results&elementSetName=full&TYPENAMES=gmd:MD_Metadata&OUTPUTSCHEMA=http://www.isotc211.org/2005/gmd&ID=fr-120066022-jdd-cd7713e9-0243-471c-8a54-310fb8187526) * [map of areas exposed to noise from land transport infrastructure over 24 hours in Deux-Sèvres](http://carto.geo-ide.application.developpement-durable.gouv.fr/567/BRUIT_TYPE_A_JOUR_079.map) [See this page on geo.data.gouv.fr](https://geo.data.gouv.fr/fr/datasets/b5f7ed4619e8834ee20bd6d72bd14b5e71818b39)
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