{"id":64182,"date":"2024-12-27T01:39:49","date_gmt":"2024-12-27T01:39:49","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans"},"modified":"2024-12-27T01:53:28","modified_gmt":"2024-12-27T01:53:28","slug":"le-risque-de-turbulences-en-avion-a-triple-en-44-ans","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans","title":{"rendered":"Le Risque de Turbulences en Avion a Triple\u0301 en 44 Ans !"},"content":{"rendered":"

Africa-Press – Senegal. <\/strong><\/span>Il faut s\u2019attendre a\u0300 des voyages en avion de plus en plus mouvemente\u0301s, telles sont les conclusions d\u2019une nouvelle e\u0301tude re\u0301alise\u0301e par des chercheurs du CNRS et de l’Institut national de ge\u0301ophysique et de volcanologie. L’espace ae\u0301rien de l’Europe et du Royaume-Uni est celui dans lequel le risque de turbulences a le plus augmente\u0301 ces dernie\u0300res anne\u0301es.<\/p>\n

Publie\u0301e dans Geophysical Research Letters, l’e\u0301tude s’inte\u0301resse au lien entre le re\u0301chauffement climatique et la se\u0301curite\u0301 ae\u0301rienne. Les scientifiques ont analyse\u0301 \u00ab 44 ans de donne\u0301es pour comprendre l’e\u0301volution des turbulences ae\u0301riennes en Europe \u00bb: des \u00ab phe\u0301nome\u0300nes, souvent impre\u0301visibles, [qui] posent des enjeux majeurs pour la se\u0301curite\u0301 des passagers et les cou\u0302ts des compagnies ae\u0301riennes \u00bb, explique l’un des auteurs, Davide Faranda.<\/p>\n

Une menace pour la se\u0301curite\u0301 des vols<\/b><\/p>\n

Ces \u00ab turbulences, en particulier celles d’air clair, repre\u0301sentent une menace croissante pour la se\u0301curite\u0301 des vols. L’instabilite\u0301 des courants-jets, amplifie\u0301e par le re\u0301chauffement global, e\u0301largit les zones touche\u0301es par ces phe\u0301nome\u0300nes, augmentant les risques pour les passagers et les e\u0301quipages \u00bb. 71 % des accidents ae\u0301riens lie\u0301s a\u0300 la me\u0301te\u0301o sont cause\u0301s par des turbulences. Et le proble\u0300me principal de ces turbulences, c’est qu’il n’y a aucun avertissement avant: malgre\u0301 les progre\u0300s de la me\u0301te\u0301orologie, ces turbulences restent impre\u0301visibles et surprennent toujours.<\/p>\n

Les re\u0301sultats montrent que les turbulences en avion sont en nette augmentation, en particulier dans certaines zones. \u00ab Les turbulences d’air clair (CAT) – invisibles et difficiles a\u0300 pre\u0301voir – augmentent conside\u0301rablement, notamment pre\u0300s des courants-jets subtropicaux et subpolaires, pre\u0301cise Davide Faranda. Entre 1979 et aujourd’hui, la probabilite\u0301 de turbulences mode\u0301re\u0301es ou fortes (MOG) dans l’air clair a presque triple\u0301, passant de 1,5 % a\u0300 4 % dans certaines re\u0301gions cle\u0301s. \u00bb<\/p>\n

L\u2019espace ae\u0301rien de l\u2019Europe et de la Me\u0301diterrane\u0301e est de plus en plus chahute\u0301<\/b><\/p>\n

Trois zones ae\u0301riennes sont particulie\u0300rement touche\u0301es: \u00ab l’Atlantique Nord, l’Europe du Nord et le bassin me\u0301diterrane\u0301en, avec des variations saisonnie\u0300res marque\u0301es: plus fortes en hiver, plus faibles en e\u0301te\u0301 \u00bb, explique le chercheur du CNRS. L’espace ae\u0301rien du Royaume-Uni est celui dans lequel la plus forte augmentation des turbulences a e\u0301te\u0301 constate\u0301e.<\/p>\n

Derrie\u0300re ce constat, une e\u0301vidence, il faut trouver des moyens pour pre\u0301voir ces turbulences amene\u0301es a\u0300 se multiplier dans le futur. Davide Faranda estime qu’il faut \u00ab de\u0301velopper des outils de pre\u0301vision avance\u0301s, capables d’anticiper ces turbulences. Adapter les strate\u0301gies de vol pour minimiser les risques et limiter les cou\u0302ts ope\u0301rationnels \u00bb. En arrivant a\u0300 mieux comprendre le lien entre changement climatique et circulation atmosphe\u0301rique, l’avenir de l’aviation sera plus su\u0302r, expliquent les auteurs.<\/p>\n

Pour plus d’informations et d’analyses sur la Senegal<\/span>, suivez Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Senegal. Il faut s\u2019attendre a\u0300 des voyages en avion de plus en plus mouvemente\u0301s, telles sont les conclusions d\u2019une nouvelle e\u0301tude re\u0301alise\u0301e par des chercheurs du CNRS et de l’Institut national de ge\u0301ophysique et de volcanologie. L’espace ae\u0301rien de l’Europe et du Royaume-Uni est celui dans lequel le risque de turbulences a le […]<\/p>\n","protected":false},"author":82,"featured_media":64181,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-64182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"\nLe Risque de Turbulences en Avion a Triple\u0301 en 44 Ans ! - Senegal<\/title>\n<meta name=\"description\" content=\"Il faut s\u2019attendre a\u0300 des voyages en avion de plus en plus mouvemente\u0301s, telles sont les conclusions d\u2019une nouvelle e\u0301tu ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Risque de Turbulences en Avion a Triple\u0301 en 44 Ans !\" \/>\n<meta property=\"og:description\" content=\"Il faut s\u2019attendre a\u0300 des voyages en avion de plus en plus mouvemente\u0301s, telles sont les conclusions d\u2019une nouvelle e\u0301tu ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-27T01:39:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-27T01:53:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2024\/12\/sm_1735251528.995563.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1474\" \/>\n\t<meta property=\"og:image:height\" content=\"765\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Le Risque de Turbulences en Avion a Triple\u0301 en 44 Ans !\",\"datePublished\":\"2024-12-27T01:39:49+00:00\",\"dateModified\":\"2024-12-27T01:53:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans\"},\"wordCount\":531,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2024\/12\/sm_1735251528.995563.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/le-risque-de-turbulences-en-avion-a-triple-en-44-ans\",\"name\":\"Le Risque de Turbulences en Avion a Triple\u0301 en 44 Ans ! 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