{"id":13945,"date":"2019-11-20T17:16:15","date_gmt":"2019-11-21T01:16:15","guid":{"rendered":"https:\/\/massive.rupertport.com\/surveillance-du-bruit\/"},"modified":"2023-07-31T19:36:17","modified_gmt":"2023-07-31T19:36:17","slug":"surveillance-du-bruit","status":"publish","type":"page","link":"https:\/\/www.rupertport.com\/fr\/surveillance-du-bruit\/","title":{"rendered":"Surveillance du bruit"},"content":{"rendered":"\n

Qu’est-ce que le bruit et pourquoi est-il important ?<\/h4>\n\n

Le son est toute variation de pression d\u00e9tectable par l’oreille humaine. La question de savoir s’il s’agit d’un bruit d\u00e9pend de la r\u00e9ception et de la perception de ce son. Le bruit est donc souvent d\u00e9crit comme un facteur de nuisance, mais dans les cas extr\u00eames, il peut devenir un facteur de stress pour les humains (par exemple, incapacit\u00e9 \u00e0 dormir profond\u00e9ment) et d’autres animaux (par exemple, incapacit\u00e9 \u00e0 communiquer ou \u00e0 entendre les pr\u00e9dateurs).<\/p>\n\n

Le son est g\u00e9n\u00e9ralement mesur\u00e9 par son niveau de pression acoustique exprim\u00e9 en d\u00e9cibels (dB). 0 dB est le seuil de l’audition, tandis que 130 dB est consid\u00e9r\u00e9 comme le seuil de la douleur. Une augmentation de 8 \u00e0 10 dB est n\u00e9cessaire pour que le son soit subjectivement per\u00e7u comme significativement plus fort.<\/p>\n\n

Comment le bruit est-il mesur\u00e9 dans la communaut\u00e9 ?<\/h4>\n\n

L’APPR surveille le bruit \u00e0 plusieurs terminaux permanents de surveillance du bruit situ\u00e9s \u00e0 Prince Rupert et \u00e0 Port Edward. Ces stations sont implant\u00e9es en fonction de plusieurs crit\u00e8res, l’objectif principal \u00e9tant de fournir des mesures pr\u00e9cises du bruit au sein de la communaut\u00e9 o\u00f9 il existe un impact potentiel des activit\u00e9s portuaires ou non portuaires, actuelles ou futures. Chaque terminal mesure le bruit et transmet les donn\u00e9es en temps r\u00e9el \u00e0 un portail d\u00e9di\u00e9<\/a>. Ce syst\u00e8me est \u00e9galement configur\u00e9 pour effectuer des enregistrements audio lorsque certains seuils sont d\u00e9pass\u00e9s, ce qui permet d’identifier les sources de bruit telles que les mouvements de trains, d’avions, de bateaux ou d’animaux sauvages. Les donn\u00e9es de mesure du bruit, les informations op\u00e9rationnelles et les commentaires du public constituent les outils utilis\u00e9s par l’APPR pour comprendre l’\u00e9tat du bruit dans la communaut\u00e9 et r\u00e9pondre \u00e0 toutes les pr\u00e9occupations soulev\u00e9es.<\/p>\n\n

Quel est le niveau de bruit acceptable ?<\/h4>\n\n

La r\u00e9glementation du bruit se limite principalement \u00e0 des lignes directrices sp\u00e9cifiques \u00e0 l’industrie (par exemple, le p\u00e9trole et le gaz), \u00e0 des normes professionnelles et \u00e0 des produits de consommation. Dans son \u00e9valuation du bruit li\u00e9 aux activit\u00e9s portuaires, l’APPR se r\u00e9f\u00e8re g\u00e9n\u00e9ralement aux valeurs moyennes de 55 dB le jour et de 45 dB la nuit fournies par Sant\u00e9 Canada. Toutefois, il est important de noter que chaque zone d’int\u00e9r\u00eat est unique en termes de caract\u00e9ristiques environnementales, d’activit\u00e9 environnante et de conditions de base, et que ces attributs doivent \u00eatre pris en compte lors de la d\u00e9finition des objectifs en mati\u00e8re de bruit et de l’\u00e9valuation des d\u00e9passements de bruit.<\/p>\n","protected":false},"excerpt":{"rendered":"

Qu’est-ce que le bruit et pourquoi est-il important ? Le son est toute variation de pression d\u00e9tectable par l’oreille humaine. La question de savoir s’il s’agit d’un bruit d\u00e9pend de la r\u00e9ception et de la perception de ce son. Le bruit est donc souvent d\u00e9crit comme un facteur de nuisance, mais dans les cas extr\u00eames, […]<\/p>\n","protected":false},"author":6,"featured_media":10387,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-13945","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nSurveillance du bruit | Autorit\u00e9 portuaire de Prince Rupert<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez nos initiatives en mati\u00e8re de surveillance du bruit afin de minimiser l'impact sonore \u00e0 l'L'Administration portuaire de Prince Rupert. 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