{"id":42592,"date":"2024-11-15T17:24:00","date_gmt":"2024-11-15T16:24:00","guid":{"rendered":"https:\/\/g3-guides.com\/newsletter\/crue-eclair-a-valence-novembre-2024\/"},"modified":"2025-04-05T22:18:27","modified_gmt":"2025-04-05T20:18:27","slug":"crue-eclair-a-valence-novembre-2024","status":"publish","type":"oikos_newsletter","link":"https:\/\/g3-guides.com\/fr\/newsletter\/crue-eclair-a-valence-novembre-2024\/","title":{"rendered":"Crue \u00e9clair \u00e0 Valence, novembre 2024"},"content":{"rendered":"\n<p class=\"is-style-text-subtitle is-style-text-subtitle--1 wp-block-paragraph\">La platitude du Levante espagnol, coinc\u00e9 entre la mer et les montagnes, rend la r\u00e9gion vuln\u00e9rable aux inondations. Ces \u00e9v\u00e9nements, r\u00e9currents au cours de l&rsquo;histoire, semblent s&rsquo;intensifier avec le changement climatique. <\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/g3-guides.com\/wp-content\/uploads\/2025\/03\/DANA.jpg\" alt=\"\" class=\"wp-image-40473 lazyload\"><noscript><img decoding=\"async\" width=\"708\" height=\"530\" src=\"https:\/\/g3-guides.com\/wp-content\/uploads\/2025\/03\/DANA.jpg\" alt=\"\" class=\"wp-image-40473\" srcset=\"https:\/\/g3-guides.com\/wp-content\/uploads\/2025\/03\/DANA.jpg 708w, https:\/\/g3-guides.com\/wp-content\/uploads\/2025\/03\/DANA-380x284.jpg 380w\" sizes=\"(max-width: 708px) 100vw, 708px\" \/><\/noscript><figcaption class=\"wp-element-caption\"><strong>Une goutte froide, \u00ab\u00a0d\u00e9pression isol\u00e9e de haut niveau\u00a0\u00bb (DANA).<\/strong><\/figcaption><\/figure>\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p class=\"wp-block-paragraph\">Parmi les cons\u00e9quences du d\u00e9r\u00e8glement climatique, on peut citer l&rsquo;amplification de la cyclogen\u00e8se, due \u00e0 deux facteurs principaux :  <\/p>\n\n<p class=\"wp-block-paragraph\">&#8211; <strong>Instabilit\u00e9 croissante du Jet Stream<\/strong>, courant qui s\u00e9pare les cellules du front polaire et de la zone temp\u00e9r\u00e9e, provoquant une augmentation des d\u00e9pressions polaires isol\u00e9es de son front.  <\/p>\n\n<p class=\"wp-block-paragraph\">&#8211; Des <strong>\u00e9carts de temp\u00e9rature \u00e0 la surface de la mer M\u00e9diterran\u00e9e<\/strong>, jusqu&rsquo;\u00e0 + 4\u00baC en \u00e9t\u00e9, et une augmentation significative de la quantit\u00e9 de vapeur d&rsquo;eau dans l&rsquo;atmosph\u00e8re.<\/p>\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/g3-guides.com\/wp-content\/uploads\/2025\/03\/summer-deviation-of-temperatures-in-West-Mediterranean.jpg\" alt=\"\" class=\"wp-image-40476 lazyload\"><noscript><img decoding=\"async\" width=\"710\" height=\"515\" src=\"https:\/\/g3-guides.com\/wp-content\/uploads\/2025\/03\/summer-deviation-of-temperatures-in-West-Mediterranean.jpg\" alt=\"\" class=\"wp-image-40476\" srcset=\"https:\/\/g3-guides.com\/wp-content\/uploads\/2025\/03\/summer-deviation-of-temperatures-in-West-Mediterranean.jpg 710w, https:\/\/g3-guides.com\/wp-content\/uploads\/2025\/03\/summer-deviation-of-temperatures-in-West-Mediterranean-380x276.jpg 380w\" sizes=\"(max-width: 710px) 100vw, 710px\" \/><\/noscript><figcaption class=\"wp-element-caption\"><strong>\u00c9cart de temp\u00e9rature en \u00e9t\u00e9 (source <\/strong><a href=\"https:\/\/www.ceam.es\/ceamet\/SST\/REPORTS\/CEAM_Mediterranean_SST_report_Issue15_Summer2022-cast.pdf\" target=\"_blank\" rel=\"noopener\"><strong>CEAM<\/strong><\/a><strong>Universit\u00e9 de Valence).<\/strong><\/figcaption><\/figure>\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p class=\"wp-block-paragraph\"><strong>L&rsquo;augmentation pr\u00e9visible des ph\u00e9nom\u00e8nes m\u00e9t\u00e9orologiques extr\u00eames menace d\u00e9sormais l&rsquo;espace habitable du littoral m\u00e9diterran\u00e9en espagnol.  <\/strong>Des masses d&rsquo;air polaire froid isol\u00e9es (DANA) entrent en collision avec une masse d&rsquo;air m\u00e9diterran\u00e9enne de plus en plus chaude et humide, provoquant des temp\u00eates de plus en plus intenses et des crues \u00e9clair d\u00e9vastatrices. Malheureusement, en raison de sa situation g\u00e9ographique et d&rsquo;un urbanisme irresponsable, la r\u00e9gion de Valence est tr\u00e8s expos\u00e9e. <\/p>\n\n<p class=\"wp-block-paragraph\">Solidarit\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La platitude du Levante espagnol, coinc\u00e9 entre la mer et les montagnes, rend la r\u00e9gion vuln\u00e9rable aux inondations. Ces \u00e9v\u00e9nements, r\u00e9currents au cours de l&rsquo;histoire, semblent s&rsquo;intensifier avec le changement climatique. Parmi les cons\u00e9quences du d\u00e9r\u00e8glement climatique, on peut citer l&rsquo;amplification de la cyclogen\u00e8se, due \u00e0 deux facteurs principaux : &#8211; Instabilit\u00e9 croissante du Jet [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":40475,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_joinchat":[]},"categories":[550],"class_list":["post-42592","oikos_newsletter","type-oikos_newsletter","status-publish","has-post-thumbnail","hentry","category-opinions-fr"],"_links":{"self":[{"href":"https:\/\/g3-guides.com\/fr\/wp-json\/wp\/v2\/oikos_newsletter\/42592","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/g3-guides.com\/fr\/wp-json\/wp\/v2\/oikos_newsletter"}],"about":[{"href":"https:\/\/g3-guides.com\/fr\/wp-json\/wp\/v2\/types\/oikos_newsletter"}],"author":[{"embeddable":true,"href":"https:\/\/g3-guides.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/g3-guides.com\/fr\/wp-json\/wp\/v2\/comments?post=42592"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/g3-guides.com\/fr\/wp-json\/wp\/v2\/media\/40475"}],"wp:attachment":[{"href":"https:\/\/g3-guides.com\/fr\/wp-json\/wp\/v2\/media?parent=42592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/g3-guides.com\/fr\/wp-json\/wp\/v2\/categories?post=42592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}