{"id":4762,"date":"2022-12-13T16:45:40","date_gmt":"2022-12-13T16:45:40","guid":{"rendered":"https:\/\/dekkbi.com\/?p=4762"},"modified":"2022-12-13T16:45:41","modified_gmt":"2022-12-13T16:45:41","slug":"ariane-5-va-mettre-en-orbite-un-satellite-pour-detecter-rapidement-les-phenomenes-extremes","status":"publish","type":"post","link":"https:\/\/dekkbi.com\/?p=4762","title":{"rendered":"Ariane 5 va mettre en orbite un satellite pour d\u00e9tecter rapidement les ph\u00e9nom\u00e8nes extr\u00eames"},"content":{"rendered":"\n<p>Ariane 5 d\u00e9collera normalement ce mardi soir \u00e0 21h30 heure de Paris, 17h30 heure de Kourou en Guyane, pour sa 115e mission. Objectif : mettre en orbite un tout nouveau satellite m\u00e9t\u00e9o, le premier de la 3e g\u00e9n\u00e9ration. MTG-I 1 a \u00e9t\u00e9 construit par un groupe d\u2019industriels men\u00e9 par Thales Alenia Space. Ce satellite va permettre d\u2019am\u00e9liorer consid\u00e9rablement les pr\u00e9visions m\u00e9t\u00e9o et de d\u00e9tecter rapidement les ph\u00e9nom\u00e8nes extr\u00eames.<\/p>\n\n\n\n<p><em>Avec notre envoy\u00e9e sp\u00e9ciale \u00e0 Kourou en Guyane,<\/em>\u00a0<strong>Marine de La Moissonni\u00e8re<\/strong> &#8211; RFI<\/p>\n\n\n\n<p>Cinquante fois plus d\u2019images, de meilleure qualit\u00e9 et plus rapidement, voil\u00e0 ce que va fournir ce tout nouveau satellite gr\u00e2ce \u00e0 deux instruments. Le FCI tout d\u2019abord, qui enverra des donn\u00e9es toutes les dix minutes et m\u00eame toutes les deux minutes trente en mode rapide sur l\u2019Europe. \u00ab&nbsp;<em>On n\u2019en est pas encore \u00e0 avoir une cam\u00e9ra \u00e0 36 000 kilom\u00e8tres qui prend une image en permanence, mais deux minutes trente, c\u2019est quand m\u00eame tr\u00e8s rapide<\/em>&nbsp;\u00bb, d\u00e9clare Pierre Armand, directeur du programme MTG pour Thales Alenia Space. Un changement&nbsp;alors que cela fait vingt&nbsp;ans que les m\u00e9t\u00e9orologistes europ\u00e9ens travaillent avec les satellites de la deuxi\u00e8me g\u00e9n\u00e9ration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Un capteur d\u2019\u00e9clairs<\/h2>\n\n\n\n<p>Les nuages, les pluies, les feux de for\u00eats, mais aussi les ph\u00e9nom\u00e8nes soudains comme les temp\u00eates, qui devraient se multiplier en raison du changement climatique, seront analys\u00e9s bien plus finement. Les populations pourront donc \u00eatre alert\u00e9es plus vite d&rsquo;autant que l&rsquo;autre instrument embarqu\u00e9 par MTG-I 1 est un capteur d\u2019\u00e9clairs.<\/p>\n\n\n\n<p>\u00ab&nbsp;<em>C&rsquo;est une toute nouvelle cam\u00e9ra qui d\u00e9tectera les \u00e9clairs entre les nuages et ceux qui touchent le sol, ce qui va nous permettre de voir ce qui se passe \u00e0 l&rsquo;int\u00e9rieur d&rsquo;un orage,&nbsp;<\/em>explique Cristian Bank, directeur des programmes d&rsquo;Eumetsat, l&rsquo;organisme qui g\u00e8re les satellites m\u00e9t\u00e9o europ\u00e9ens.&nbsp;<em>Nous esp\u00e9rons que cela aidera les m\u00e9t\u00e9orologistes \u00e0 comprendre comment les orages violents et les pluies diluviennes se d\u00e9veloppent.<\/em>&nbsp;\u00bb<\/p>\n\n\n\n<p>MTG-I 1 sera rejoint d&rsquo;ici deux \u00e0 trois ans par un satellite jumeau, puis par un autre \u00e9quip\u00e9 lui d\u2019un sondeur ultra-performant, qui captera la temp\u00e9rature et l\u2019humidit\u00e9 de l&rsquo;atmosph\u00e8re.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><a href=\"https:\/\/www.facebook.com\/dialog\/share?app_id=113191652055439&amp;href=https%3A%2F%2Frfi.my%2F8z4L.F&amp;redirect_uri=https%3A%2F%2Fwww.rfi.fr%2Ffr%2Fscience%2F20221213-ariane-5-va-mettre-en-orbite-un-satellite-pour-d%25C3%25A9tecter-rapidement-les-ph%25C3%25A9nom%25C3%25A8nes-extr%25C3%25AAmes&amp;locale=fr_FR\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Frfi.my%2F8z4L.T&amp;via=RFI&amp;related=rfi&amp;text=Ariane%205%20va%20mettre%20en%20orbite%20un%20satellite%20pour%20d%C3%A9tecter%20rapidement%20les%20ph%C3%A9nom%C3%A8nes%20extr%C3%AAmes&amp;lang=fr\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/web.whatsapp.com\/send?text=Ariane%205%20va%20mettre%20en%20orbite%20un%20satellite%20pour%20d%C3%A9tecter%20rapidement%20les%20ph%C3%A9nom%C3%A8nes%20extr%C3%AAmes%20-%20https%3A%2F%2Frfi.my%2F8z4L.W\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ariane 5 d\u00e9collera normalement ce mardi soir \u00e0 21h30 heure de Paris, 17h30 heure de Kourou en Guyane, pour sa<\/p>\n","protected":false},"author":1,"featured_media":4763,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-4762","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/posts\/4762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4762"}],"version-history":[{"count":1,"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/posts\/4762\/revisions"}],"predecessor-version":[{"id":4764,"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/posts\/4762\/revisions\/4764"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=\/wp\/v2\/media\/4763"}],"wp:attachment":[{"href":"https:\/\/dekkbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dekkbi.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}